— No smoking. Drill top holes. Potassium nitrate is commonly used to provide the oxygen for combustion in pyrotechnics formulations. While burning out a rotted stump with kerosene or fuel oil can be effective, it is also dangerous, because the stump may smoulder slowly for several days. DangerMay intensify fire; oxidiser.General: Read label before use. Oxidiser- At high temperatures, especially in the presence of a reducer, potassium nitrate will decompose, liberating oxygen and promoting combustion. Envelop the stump in chicken wire, remove all leaves from the vicinity before ignition and keep an eye on it! Potassium nitrate (KNO3), sometimes called saltpetre or nitre, is a key ingredient in many chemical stump removal products. Drill side holes. Historically, potassium nitrate has been used as an ingredient in gunpowder, but it also a common fertiliser and has been used as a food preservative, so stump removers containing it should be safe and effective when used according to directions. Save this search. Pour 3-4 ounces of potassium nitrate into each hole. Include description. If you buy stump remover, carefully follow the manufacturer's instructions. As possible, make the holes roughly 12 inches deep, and locate them several inches from the outside edge of the stump. Potassium nitrate is an oxidising salt in the form of a white powder which can be dissolved in water. Spectracide 66420 Stump Remover, 1-Pound Granules Case Pack of 1: Spectracide 66420 Stump Remover, 1-Pound Granules Case Pack of 1: Amazon.co.uk: Kitchen & Home Look for the Spectracide brand in those stores near the insecticides. In the United States, you can find it at Lowes or Home Depot, among other places. Fertiliser - A source of potassium and nitrogen (NPK 13-0-44), both vital for leaf, stem and root growth as well as disease resistance. Amazon Prime | 30-day free trial. Chemicals Best Sellers Today's Deals Prime Video Customer Service Books New Releases Gift Ideas Home & Garden Electronics Vouchers Gift Cards & Top Up PC Sell Free Delivery Today's Deals Prime Video Customer Service Books New Releases Gift Ideas Home & Garden Electronics Vouchers Gift Cards & Top Up PC Sell Free Delivery The potassium nitrate will speed up the natural decomposition process, causing the wood to soften and rot. Category. Take any precaution to avoid mixing with combustibles. All you are doing with this procedure is dissolving and recrystallising the water soluble salts, and what you finished with is probably STILL only 40 % potassium nitrate. Keep the stump moist to provide best conditions. Potassium nitrate (KNO3), sometimes called saltpetre or nitre, is a key ingredient in many chemical stump removal products. Tree Stump Remover Granules (Professional Grade) (5 lb.) Saltpetre is a popular fertilizer for both amateur gardeners and large-scale cultivators thanks to its nitrogen and potassium content, which are two key macronutrients for plants. > A copywriter and editor since 1998, Will Capra has handled projects for Fortune 50 companies, health care and higher education institutions and nonprofits, and his work has garnered numerous awards. The potassium nitrate will soften the wood and the hot water will help distribute it throughout the stump. Bore several holes into the side of the stump. $5.00 shipping. Cut the stump as close to the ground as possible and drill several large holes deep into the wood, then liberally apply potassium nitrate powder to the stump and down the holes. 95. Keep away from clothing/combustible materials. Two variants are available to buy, both with the same chemical purity, one grade has been milled to a very fine powder, and the other is a coarse grade that is 20 - 80 mesh. 4.5 out of 5 stars 248. Pour water until the potassium nitrate is fully dissolved. Drill downward at a 45-degree angle, and try to drill into the vertical holes from step 2. It is applied as a solution in water to plants in soil and aquariums. Cut the stump as close to the ground as possible and drill several large holes deep into the wood, then liberally apply potassium nitrate powder to the stump and down the holes. According to the label, the stump remover is 40 % potassium nitrate and 60 % something else. Capra holds a B.A. Coarse around 30 mesh, Fine typically 49% < 77 micron. Be sure to check the label to make certain potassium nitrate is the first (and preferably only) ingredient. ... 384 results for potassium nitrate. One of the most common sources of pure potassium nitrate is "stump remover." Tree Stump removal - The decay of wood is caused by fungi, potassium nitrate can be used to provide the best possible environment for fungal growth and wood decay. Keep out of reach of children.Prevention: Keep away from heat/open flames/hot surfaces. Wood, charcoal, paper, tobacco and many other material can be treated with potassium nitrate to improve comustion. Inorganic Compounds $19.95 $ 19. Capra is also a prolific online writer, covering topics ranging from travel to technology for eHow. If the stump is not already cut off very close to the ground, trim it as low as possible. Potassium Nitrate. Food - This potassium nitrate has not been declared fit for food use. > The stump will smolder for days, eventually leaving a charcoal-filled hole. Break apart the stump using a spade, mattock, axe or similar tool. Selected category All. To help hasten decomposition, cover low stumps with dirt or sod and try to keep them damp. Potassium Nitrate is also often used in tree stump removal products as it can accelerate the stump’s natural decomposition. the grade in stump remover is generally high in contaminants and stabilizers, or stabilized potassium nitrate, that wont readily decompose the way it should. Louisiana State University Agricultural Center: Stump Removal. Tree Stump removal - The decay of wood is caused by fungi, potassium nitrate can be used to provide the best possible environment for fungal growth and wood decay. When applied properly, potassium nitrate greatly accelerates the natural decomposition process of a stump, often making the wood weak and rotten enough to break up and dispose of easily within a matter of weeks. Pour 3 or 4 oz of potassium nitrate into each of the vertical holes, and then fill the holes with water. Remove stump. After a month or six weeks, the decay should be advanced enough to proceed. You can then dispose of the pieces as desired and fill and cover the hole where the stump was. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. When applied properly, potassium nitrate greatly accelerates the natural decomposition process of a stump, often making the wood weak and rotten enough to break up and dispose of easily within a matter of weeks.