What happens when you put chalk in water

If you put a piece of chalk in water, don't expect much to happen. The chalk, which is calcium carbonate (CaCO3), will displace some water and sink. It will grow in mass by a small amount since it.. 1. Gather your materials and place them on your lab bench. 2. Take a half piece of chalk and score the chalk with scissors into fourths. 3. Fill up one 150 mL up with water to the 30 mL line and fill the other one with vinegar to the 30mL line. 4. As you drop the chalk in the solutions, start the timer. 5 It dissolves the chalk, slowly, but surely. You can simmer the chalky water to make a paste. I have yet to find uses for this paste Explanation: when chalk powder is added to water the solution becomes collidal and chalk powder settles down. tramwayniceix and 4 more users found this answer helpful. heart outlined. Thanks 2. star. star. star. star

What happens when you put chalk into water? - Answer

The exterior of your selenite crystal will start to dissolve when you put water on it, or submerge it in water. This process won't necessarily happen quickly (like in seconds), and if your stone has a finish or a sealant, it might take a little while for the water to worn its way past the sealant through microscopic cracks In this video I show you how to make quicklime CaO and what happens when you put water on it. This reaction turns CaCO3 (chalk) into quicklime by releasing C.. Chalk, Calcium Carbonate, dust is very slightly soluble in water. Most of the dust would just sink into the water and settle at the bottom, like any fine soil or sand

What Happens to Chalk in Acid or Water by Helena Mitchel

The chalk got heavier because it was absorbing water. After about 10-15 minutes, it absorbed all that it could hold. You can figure out how much water it absorbed, because 1 gram of water = 1 ml of water = 1 cubic centimeter (cc). If the chalk gained 2 grams in water, that means it soaked up 2 ml or 2 cc Chromatography (literally translated means color writing) is one way in which mixtures can be separated. The isopropyl alcohol will move up the chalk by surface tension, similar to how water is.. In order to build brewing water with temporary hardness (alkalinity and calcium hardness), chalk (CaCO 3) is needed. Chalk, however, is not very soluble in water and most of what is added remains suspended or settles to the bottom. This article describes how chalk can be dissolved if so desired Similarly, you may ask, what happens when you mix water and baby powder? Most are made from talcum powder (Talc), which would form a gritty paste that would dry like the weakest cement you can imagine, into the basic consistency of sidewalk chalk. If it is made with cornstarch, you. would get a fluid-solid hybrid By Niki Hilsabeck in Art Tutorials > Painting Tutorials. Chalk pastels all by themselves are a unique medium, famous for their bright colors and soft effects. Using water to blend your pastels lets you enjoy a truly painterly experience with minimal dust and plenty of room for artistic changes as you work.. This approach combines the powerful strokes of pastels with the flowing softness.

What happens when you put chalk in boiled water? - Answer

What happens when you mix chalk powder in water - Brainly

  1. You can always add a little more water if you feel you need to, depending on the look you're going for. The more watered down the paint is the easier it will be to wipe off and the lighter and more sheer it will be. I mixed two colors together (after turning both into chalk paint with this recipe) - Behr Baja and Behr Linen White. I mixed 2.
  2. Chalk Paint Bleed Through Defined If you are painting over a stained piece of furniture and an area wasn't properly sealed with an oil polyurethane, lacquer, or shellac the wood stain will likely be activated by the water in the paint
  3. I've experimented with this because I'm a lazy arse who doesn't like sanding stuff down. I devised my own chalk paint by mixing plaster of Paris with emulsion and it makes a thicker paint that can be applied to unprepared wood surfaces and it co..

Yes, you can put polyurethane over chalk paint. However, for the best results, ensure that you use a water based formula such as Minwax; otherwise, you will have your surface starting to yellow a little sooner. If you are thinking of applying a poly product on such a surface, it would be great if you apply thin coats and allow it time to dry as. If you've previously refurbished a piece of furniture that's got a wax finish, but you want to repaint it, the wax will need to be removed first. You can do this by following our steps below: Step 1: Dip a cloth in white spirit and rub over the wax to break down its top barrier. Step 2: Mix a solution of white vinegar and water in equal parts Step 3. Step 4. Step 5. There are different types of salts that utilize in a water softener. Most probably, a water softener uses potassium chloride and sodium chloride as a salt. Pool salt can also use as a salt in water softener but the result is not very effective. Now the question is about whether pool salt is suitable for water softener or.

What Happens If You Don't Seal Chalk Paint? If you don't seal chalk paint, it will experience wear and tear faster than if you put a sealant on it. The chalk paint is going to be more susceptible to scratches and scuffs. Chalk paint doesn't need a sealant to be protected, so not much will happen if you don't seal it Shellac can be applied over chalk paint but not wax. So, wait and see what happens. And - you may only have bleed through on a couple of doors. Please read this post: Real quick- if you need to use shellac- typically you would do it in this order Chalk, Calcium Carbonate, dust is very slightly soluble in water. Most of the dust would just sink into the water and settle at the bottom, like any fine soil or sand. The small amount that is soluble would change the pH of the water, from about 6.. For a substance to dissolve in water, it must be able to form ions in water, which consists of molecules that have partially positive and partially negative charges. For example, table salt (NaCl) is made up of sodium and chloride ions. Both these.. Nothing will happen when you add water to chalk, because chalk does not dissolve in water. However, if you are drawing with chalk, as the water evaporates, it will allow the chalk to spread and.

Calcium carbonate, the main component of chalk, marble and limestone, is only slightly soluble in water (13 mg/L at 25°C) but over thousands of years that is sufficient for rainwater to make senote, caves with underground lakes and rivers. Cenote. Use vinegar in one glass and water in another, and prepare other glasses containing lemon juice, vegetable oil, soda and other liquids to test. Put a piece of chalk in each glass, and observe the glasses every few hours to see which liquid is dissolving the chalk the fastest and which is dissolving the chalk the slowest b. Draw a picture on the lab sheet of your chalk's shape in the box titled: Chalk before the experiment. c. Put your piece of chalk into the baggie of salt, and stir carefully with it for 4 minutes making sure that the chalk is mixed throughout the baggie of salt (each student stirs for one minute). d Put a large handful of rocks in a plastic jar. Cover the rocks with water and screw the lid tightly onto the jar. Erosion happens when wind, water, ice, or people move rocks and soil to new places. When rocks move, they sometimes smash into other rocks and break. In . Expedition Northwest 4 Grade Earth Science ©2006, OMSI Shake and Brea

1. The first is durability. Poly top coats are hands down more durable and offer the ultimate protection for your painted furniture. 2. The second difference has to do with the application. Waxes are applied with a rag or brush and must be buffed; poly top coats are brushed on and allowed to dry and cure The Time We Put Chalk in the Fire. I'm squishing a waterlogged piece of sidewalk chalk with my hand, making an irresistible mauve-coloured mud-paint. Can I try?. M. asks. Sure!. I say, handing him the chalk. I can't do it!. M. says. (I resist the urge to tell him how to do it. If you apply a wash technique for example- you thinned your Old White Chalk Paint® with water to create a wash effect over a wood dress and when you applied Annie's Lacquer - you felt it removed it. The same rules as noted immediately above about over brushing can apply here but there could be another reason this happen Experimental Design. EQ: What happens to chalk in water versus acid (Vinegar)? Independent: The liquid it's put in. Dependent: Reaction on chalk. Control: Water, same materials. Hypothesis: If the chalk is put in a liquid higher in acidity, then the chalk will dissolve more

It just depends on the look you are after, the durability you are after and the amount of work you'd like to put into it. I hope this post will be helpful to you in your future makeover adventures! I finished 5 boards with Chalk Paint and the varying sealers so you can see (somewhat anyway, it's hard in photos) what the different finishes. Use the masking tape to write acid and put the label on the cup. Pour water into one clear plastic cup until it is about 2/3 of the way full. Use the masking tape to write water and put the label on the cup. Predict what will happen to the chalk after it sits in the vinegar for one hour. Record your prediction on the observation sheet Drop the chalk in a cup of vinegar or lemon juice. Vinegar is made of water and acetic acid, a kind of hydrocarbon. It should fizz up. That's because the oxygen in the acetic acid combines with the calcium carbonate. The bubbles are carbon dioxide. Carbon dioxide forms when the oxygen from the acetic acid joins with the carbon from the. Soap. Sunscreen. Toothpaste. Vaping Products. Vaseline. If the child swallowed more than one mouthful, is having symptoms, or if you are not positive of the exact substance or amount swallowed, call the Poison Center Hotline immediately at 800-222-1222. The call is free and confidential Because chalk paint is thick and fast-drying, it's hard to brush other colors into it. Again, just a little dip into the water will go a long way with the chalk paint. After you give the top a second coat of watered down French Linen, while it's still wet, it's time to put some white streaks onto the gray chalk paint

If your chalk paint has been sitting around too long it can get to thick. In this case I like to pour the desired amount of paint into a bowl or jar and mix just a little water to thin before painting. You don't want your paint drippy but you also don't want it too thick so add just a little water at a time. Topcoat For Chalk Mineral Pain Stain may still mix a bit into chalk paint, but you will get an antiqued look. Start by mixing 1 part water to 6 parts of white paint. Tip: For more contrast such as pictured above, use less water. For a more even and ghostly look, use more water. I don't recommend more than a 1:2 ratio because it can get really messy and hard to control. In reality, you should always test to see if you get bleed through before using chalk paint. The truth is sometimes this doesn't always work. In my circumstance, I tested the main surface and no problem. Then I painted the sides and poof there was an ugly stain! So it can happen to anyone and on random parts of the furniture you are chalk.

Does Selenite Dissolve In Water? (Read This Before You

Just a few tips from my experience that may help with some of the problems mentioned above. You can mix water with Annie Sloan chalk paint. This helped me tremendously. It makes the paint go on more smoothly and evenly, so less brush strokes. You will have to do more layers, but it helped me so much to obtain a smooth finish Regarding this, can you decoupage over chalk paint? I applied the mod podge on top of the decoupage to seal it but got little on the sides which was visible on the chalk paint after it dried.You could sand off the decoupaged area and redo it if it really is noticeable. But perhaps you could give it an aged look by applying the wax in more areas but with a small brush Chalk Paint and Gesso. - original gesso( gesso in Italian means chalk)is a mix of animal glue, powdered chalk or plaster and a pigment( usually white). - modern gesso( the one you can buy in art supply stores) it's a water-based mix of calcium carbonate, an acrylic polymer medium and a pigment( usually white) Remove the chalk paint Scrub the surface while hosing down water on the surface. You'll notice that the more water you use, the more paint comes off. Do this step repeatedly until the natural stain of the wood becomes visible. Clean the sponge from paint residues so that it doesn't stick to the grain of the wood

Don't Put Water on Chalk—Quicklime - YouTub

  1. In respect to this, can you put polyurethane over chalk paint? They get wet, food gets smooshed into the top and it simply needs to hold up to anything your kids can throw at it! That's when you want to use a poly top coat. Insider Tip: When looking for a poly, it's better to use a water-based polycrylic rather than oil-based polyurethane on your chalky painted pieces
  2. First and foremost, clean the whole surface you want to paint. Even if you're using chalk paint, the surface must be dust and debris-free. You can use dish soap and water or a rag with detergent, a brush, or a wet cloth. Whatever you feel is the best choice to clean - do it
  3. utes. Remove the chalk from the water and place it on the paper plate. Place the paper plate and wet chalk in a freezer right away and keep it there overnight. 7. Clean up all materials from Rocks A, B, C, and D. You will finish the activity.
  4. The question I have is I want to hit the lows in the detail of a piece of furniture BUT I don't want to change the overall color of the piece. I researched the Heirloom Traditions gel wax as you can use water and wipe back living the color in the lows. Anyhoo, I think want to put on a finish such as a poly or one of the GF products you mentioned
Rock Experiments - Learn About Erosion

Vinegar is a polar substance, and its molecules are attracted to water molecules (called hydrophilic). Therefore, it is able to be mixed with water. It does not technically dissolve; rather, it forms a homogenous solution with water Can you use antiquing glaze over chalk paint? It's easy to add a little extra color with a glaze. One drawback to a glaze is that it will not work to seal a painted finish on its own. So if you are using a chalk type paint that needs to be sealed, you will still have to put another topcoat on top of your glaze to seal the finish That depends on the kind of mineral in the sand. Vinegar is an acid and calcium carbonate (limestone) does indeed dissolve in acids. So, a largely limestone based sand might dissolve a bit in vinegar. However, the pH of vinegar is not very low (vi.. Can You Put Polyurethane Over Chalk Paint - Though the paint is a bit thicker than latex, then it does not necessarily cover 1 jacket? Vinyl paints, as mentioned before, are not eco-friendly. If you are using vinyl paint, then be certain you receive the ideal kind of paint, and then adhere to the aforementioned guidelines to paint and prepare the surface

Chalk paint comes off easily!Chalk paint needs to be sealed with wax and then left to cure for 30 days. Then it will achieve a very durable finish. You can still use an item during the 30 days curing time but you do need to be careful not to scratch it during that time Should I use wax or polyurethane over chalk paint? -Both poly and paste wax can be applied over chalk or flat paint. -Though wax will always give you a beautiful, smooth,deep finish, and really enhance color or grain,water-based poly can be streaky and temperamental to put on with a brush (I prefer the spray). What happens if you dont wax chalk paint? There is a potential downside to a poly finish that isn't an issue with wax. Poly topcoats can sometimes pull tannins from the wood through the porous chalk paint, creating yellowish (or sometimes pink) spots. Wax doesn't react with the wood the same way a poly does, which is why this doesn't happen.

Why will chalk not dissolve in water? - Quor

Cancel. Natalie on Feb 19, 2019. When you add baking soda to regular latex paint, it makes the paint become chalky like chalk style paint. I personally haven't used baking powder, but I have used plaster of paris or calcium carbonate powder to make latex paint into chalk style paint. Both of those products worked very well When you apply wax to Annie Sloan Chalk Paint, something of a chemical reaction occurs where the wax will penetrate the porous paint in order to create the seal coat. If you apply a varnish first, this will inhibit the wax's ability to be absorbed into the paint and it will effectively sit on top of the varnish Use chalk paint - spray the fabric first with water, than use 1/2 water & 1/2 chalk paint (I used Waverly brand from Walmart in the craft section). My chair took 2 bottles of Waverly at $6 each. You can lightly sand in between coats. Paint the wood feet too - this chair will be perfect Acrylics are water-based and don't mix well with oils. Another problem is that oil pastels never fully dry, because their binder is a non-drying oil. Both of these factors mean that the acrylics are not going to adere well to the oil pastels and may peel off over time. If you're combining the two mediums, it's better to use oil pastels on top. Can you put glitter in bathroom paint? When you add glitter paint to your bathroom walls, your look will go from plain to powerful in an instant. Glitter Interior Wall Paint doesn't shed or chip off and it sparkles in the light, creating that wow factor in your bathroom. PREP: Tape off and cover any areas you don't want to paint

The Action Lab - Water + Chalk = Faceboo

  1. While you can stain over paint, realize that you are creating a unique look, not an authentic stained wood-grain look. For that, first strip off all of the paint, then apply the stain. Paint with greater gloss means that the surface is less porous. The stain will more easily slide off, resulting in a lighter color
  2. The chair was stripped down and sanded to get the smooth surface off, so the chalk paint would stick better. I used 2 coats of Annie Sloan Napoleonic blue which was applied with a chalk paint brush. Once the chalk paint was dry. I added some blue mica powder to the water-based varnish that I would be using to seal the chalk paint. I added a.
  3. utes. Start a timer to monitor the passage of 10
  4. You've probably heard of the chemical calcium in milk. But calcium shows up in lots of other stuff too. For example, the hard part of your bones and teeth is made from calcium connected to a chemical called phosphate. Together, they make the substance, calcium phosphate. Sidewalk chalk is.

What Is the Reaction Between Chalk and Vinegar

Finish with proceeding painting in whichever manner you like. The Purple Painted Lady® recommends adding a little water to your Chalk Paint® also. No more than than 20%. So, if you have one cup of Chalk Paint® - take a 1/8 measuring cup and fill with water and add to the paint and mix well You will be asked to explain why one of these pictures is not as the one you chose. Evidence: After stirring, each student tastes the water. They both agree that the water tastes sweet. The weight of the water, glass, and the sugar is the same as the weight of the glass and the mixture after the sugar was stirred into the water

Earth connections: resources for teaching earth science

Testing silicone that can dry under water. Firstly lets get a tub and place some silicone in to a what was a sandwich box, place some of the Plumbers Gold silicone in the box and fill up, enough to put above and cover the silicone. Now this is done it is time to leave for 24 hours which is enough time for the process of the silicone to set fully Below is the table with one coat of stain lightly washed on. On this top I let the first coat of wax thoroughly dry. The second coat of wax was almost dry when I then applied dark wax- this drug a bit off allowing some of the paint to show through. I applied 2 coats of dark wax and one clear wax coat. Allowing each coat to completely dry- this. Despite all the protection, if you happen to have water-damaged wood, you can fix it by painting over them. Before you start painting over them, replace any rotted wood pieces if any; You can do this by removing the decayed wood material and patch it with the new wood; Fix peeling/loose paint and small holes if any using proper wood fille The text in this article is licensed under the Creative Commons-License Attribution 4.0 International (CC BY 4.0).. This means you're free to copy, share and adapt any parts (or all) of the text in the article, as long as you give appropriate credit and provide a link/reference to this page.. That is it How to Fix It: If the cracks are deep, you may need to sand the piece. Then seal it with shellac, let it dry and then paint another coat of chalk paint. Sometimes paint can crack if the environment is too hot, cold or humid. How to Fix: If possible, try to paint in a temperature controlled environment

Ten Extra Things You Need When Using Chalk Couture

If you are firing with wood, it is essential that you do not put the fire out with water. Water would wash away your lime (which is soluble in water) and ruin all your hard work. When the kiln is cool, take your calcined limestone, which may contain a mixture of lime and limestone, and place it in a 2 L soda bottle Question Do This Experiment: Make groups of four friends. For the experiment you will need 4-5 glasses or bowls, spoons, water, and the things listed in the table. Take some water in each glass. Now try to dissolve one thing in one glass. Observe what happens and note in the table You want the liquid level to be below the dot or line on your piece of chalk. Place the chalk in the cup so that the dot or line is about half a centimeter higher than the liquid line. Seal the jar or put a piece of plastic wrap over the cup to prevent evaporation. You can probably get away with not covering the container

Rock Experiments: Frozen, Sponge & Bubbling Rock Cycl

  1. We water dirt zones if needed and proceed with stringing out the baselines and using the batters box templates. The final step is using Beacon Pro Chalker with the 2-inch or 4-inch line option. We prefer the 2-inch lines as they use far less chalk and have less build up and residue
  2. Today we're putting dry aging to the test and seeing if it's possible to dry age some different kinds of meat. More specifically, can you dry age spam and ho..
  3. With the ease and versatility of all the chalk and refinishing paints on the market, it can be an easy choice for your next project. After painting, you might be wondering how to seal and protect your gorgeous project. Depending on what the piece will be used for, and your desired look, consider one of these chalk paint topcoat options
  4. The solvents in oil paint will soften it, leaving a tacky finish, and wax prevents water-based varnishes from bonding to the wood surface, causing eventual peeling. Chalk paint is an exception; if the wax has hardened for a period of three weeks or more, you can apply it over wax
  5. All you have to do is add water and it is back to perfect. However, you don't want to do it in the can because the lid is messed up and the crud around the edges will get in your paint. You need an air tight seal. You can buy plastic lids from Stacey at Faux Studio Designs, but I didn't have any on hand so I used a mason jar
  6. If you don't have a food grater, put the chalk in a plastic bag and smash it into a powder instead. Next, mix the chalk powder with around 1/2 cup of water in a bowl. Once the powder and water are stirred together, you're done! Dip a paintbrush in your chalk paint and draw designs with it on a sidewalk or driveway

Weird Science: Chalk Chromatograph

Chalk paint can sometimes look blotchy or streaky when it dries. There are a few reasons why this might happen. If your chalk paint is too dry, it is harder to apply smoothly. You can add a bit of water and stir it in to make the chalk paint easier to apply You'll want to use a spray mister water bottle to thin your paint slightly while you're painting, and do a very light sanding at the end to achieve the smoothest finish. Dry time: Chalk paint dries quickly, in about 15-30 minutes Yes, chalk paint is different than chalkBOARD paint. We speak to Annie Sloan, the inventor of the material, to find out what makes it different, how you can use it, and what to know about its care. You can ask ! Earn . Earn Free Access Learn More > Upload Documents Refer Your Friends Earn Money Become a Tutor Scholarships Learn More > For Educators. Why does my chalk paint look streaky? Why does my Chalk Paint Look Streaky Chalk paint can sometimes look blotchy or streaky when it dries. There are a few reasons why this might happen. If your chalk paint is too dry, it is harder to apply smoothly. You can add a bit of water and stir it in to make the chalk paint easier to apply

Building brewing water with dissolved chalk - German

  1. Outdoor chalk paint is water resistant and some brands even contain additives that battle the growth and re-growth of mould, something that's particularly important if you live in a damp climate like we do in the UK. Because of its versatility, you can paint anything from plant pots and sheds to back doors and plastic garden furniture
  2. Water Color Paint We have actually brought out the water color paints every day this week, but I have set aside a day to focus on open-ended art. In the last week, my son has correctly identified almost 12 colors (still gets mixed up with pink and purple) so we talked a lot about colors while we painted
  3. erals in the water when heat is applied. If you remember back to your school days you likely learned about the different types of water in some type of Science class
  4. 1. Get a container of clear wax from the hardware store. Wax is the most popular choice for sealing chalk paint. Find a can of clear wax sealer from the hardware or paint store. As a general rule, use 500 ml (16 oz) for every 3-4 liters (0.8-1 gal) of paint. Get the correct amount for the piece you've painted
Acid Rain Inquiry (Understanding pH)

What happens when you put baby powder in water

Theoretically, you should be able to apply chalk paint over top of your polyurethane furniture. Painting over polyurethane furniture should be no big deal for this chalk paint, but you might want to consider sanding if it is a particularly glossy polyurethane The tool and technique tips below apply to all water-based paints including chalk paint. 1. Stain Before Paint. If you want to create a two-tone look like I did on my media center with paint and stain, it is best to stain first. It is easier to stain first. Apply all coats of stain and allow to dry fully

How to Use Water as a Blending Medium with Chalk Pastels

The Chalk Paint™ cures and then, the wax absorbed cures and you end up with a beautiful and durable piece of transformed furniture. However, (and here is the part where I explain the NO in my original response above)..there is a technique called the Modern Look where you do not use wax as a top coat Yes, you can add more water. Even store bought Chalk paint thickens over time. I've added water to plenty of mine. I would make sure that you add enough water so that it will not thicken before you are done with this coat. Adding the water can ever so slightly change the color and you wouldn't want that to happen half through painting a coat Milk Paint is 100% natural and is made from five simple ingredients: milk protein (casein), limestone, clay, chalk and natural pigments. It is a zero VOC paint that is completely biodegradable and non-toxic. Milk paint comes in a powdered form and you simply add water to mix your paint. Milk Paint has been around for thousands of years Common white vinegar that you use to cook with and put into your body is a mild acid. It's safe and nontoxic. Here's all you need to do to remove the hard water stains from your shower tile floor

Learn the best Chalk painting ideas from The Design Twins

What Happens If U Eat Chalk? - Cement Answer

Caulk won't stick in tub/shower combo. I wanted to re-caulk where the tile meets the tub in my tub/shower. I scraped out all the old caulk, cleaned it really well and let it dry for 2 days before applying the new caulk. I let the new stuff dry for 3 days and within a couple of weeks it was peeling As you wash your hair, the chalk color should fade. If you want to remove the chalk dye before 2-4 washes, you can try brushing your dry hair and then scrubbing out the dye in the shower with shampoo and water. When you wash your dyed hair, use clarifying shampoo so your hair stays clean and healthy 1. The Price of Chalk Paint. Chalk Paint costs around $40 for a quart of paint (yesa quart !). Add to that the price of the wax (almost $30) and the cost of an Ultimate Waxing Brush (another $37), and you've got quite a bit of money wrapped up in product. But it lasts so long! people say

Chalk a Chalkboard Sign with No Art Experience!12 Unusual Watches for Geeks That Think Outside the BoxJim Boggia Merchant of Joy By Richard Cuccaro DiscoveryNoozhawkneils ludlowMichael Heath-Caldwell M

When food coloring is added to water, it spreads throughout the water in a process called diffusion. The coloring continues to spread until all parts of the water contain an equal concentration of the dye. Diffusion of the food coloring occurs passively, meaning no outside force is required for it to happen. However, the process can be sped up. Chalk paint is a water-based formula that will stick to almost anything. It is perfect for updating antiques, creating a matte finish that can easily be distressed for a shabby chic feel HOW TO - LAYERING CHALK PAINT. I should warn you, it gets a whole lot ugly before it starts looking good.:: I started by cleaning the entire piece with water, TSP, and a scrub brush.:: Then I patched and fixed all the missing veneer and old hardware with Bondo and sanded the Bondo smooth.:: I gave the rest of the dresser a light sanding with 180 grit and then wiped away all the dust with a. It would be best if you don't put polyurethane over wax. The rule of thumb requires that you first apply polyurethane and then use wax as the final topcoat to your piece of furniture. Wax does great when used as a polish, and using it for the same purpose would be great. Even as you apply polyurethane to your wooden surface, you must apply. Just like when you wax a car, wax is the very last thing you do for a beautiful finish and protection. If you've waxed your furniture and then decide you'd prefer a poly finish, remove the wax with mineral spirits (in a well ventilated area) before apply a water based poly. Otherwise, the wax tends to repel the poly and it ruins the finish. The first test of a project backed to spray millions of tonnes of chalk into the stratosphere, in an attempt to 'dim the sun' and cool the Earth, could happen in June. Harvard University experts will test the system by sending a large balloon 12 miles above the Swedish town of Kiruna and have it drop 2kg of chalk dust into the stratosphere