Saltpeter is the common name for potassium nitrate (KNO3). For organic matter you can use straw with straw being nothing more than cut grass. It is used as a stump remover. Slow-Release Nitrogen Fertilizer - page 2. At that point a low nitrogen fertilizer with both phosphorus and potassium will promote fruit growth. 3373 Customer Reviews. Customer Reviews. There are many uses for Potassium Nitrate including preserving food, as a fertilizer and a stump remover. Here is what I would use: 10-10-10 fertilizer Morbloom 0-10-10 Chris. 4.7 out of 5 stars overall. I had used saltpeter but could not find it anymore. Please contact your local store or The Home Depot customer service regarding your inquiry. Please select a Home store location and click “make this my store” During this time of increased demand, a $50 (pre-tax) order minimum is required for all online purchases. The Diamond Crystal 40 lb. Potassium nitrate can be synthesized by combining potassium hydroxide and ammonium nitrate, creating ammonia as a by-product. Home Depot does not sell just potassium as a stand alone, although you may be able to get potash in bags from a farm supply store. If somebody says "look at lowes" they should be ashamed =P I have looked at Lowes, Home Hardware, Canadian Tire, Home Depot, and every other garden supply center around. Potassium nitrate is used to treat asthma and in topical formulations for sensitive teeth. I have looked everywhere in my city and cannot find anywhere that sells stump remover or any other potassium nitrate product. Potassium Nitrate is the main component of Stump Remover. It was potassium nitrate which I looked up on Amazon and found what I needed. Grant's Stump Remover is one of the best stump remover for potassium nitrate. Potassium nitrate is easy to find at any gardening or home improvement store. 5 (2750) 4 (415) 3 (77) 2 (42) 1 (89) The chemical compound can be found naturally as crystallized deposits in caves and in accumulations of bat dung as well. Potassium Chloride Water Softening Pellets are a sodium substitute for use in most water softeners. It was once a popular medication for lowering blood pressure. With my other ingredients it make plants greener and healthier looking. Potassium nitrate is a chemical compound with the chemical formula K N O 3.It is an ionic salt of potassium ions K + and nitrate ions NO 3 −, and is therefore an alkali metal nitrate.It occurs in nature as a mineral, niter (or nitre in the UK). They have a low insolubility with up to 99.1% purity of the salt. Using urine is an old school method for manufacturing saltpeter. A non-household use for potassium nitrate is as an oxidizer for fireworks and some gun powders. To make saltpeter from urine you need only a couple of ingredients, urine and organic matter. 95 % of customers recommended. The composition by percentage of each of the ‘big 3’ elements present in the fertilizer must be stated on the bag and is referred to as the fertilizer guarantee, which expresses each of elemental punkie is an idiot. Unfortunately I don't know the specific shipping regulations but I work for a chemical vendor in the US that sells Potassium Nitrate and while we no longer ship any products outside the US when we did we could not ship Potassium Nitrate to Canada. 32 lbs. I used this product that goes in a recipe to make fertilizer for my plants. I've used other brands for Sugar/ Potassium Nitrate smoke bombs. The fertilizer elements are present in various compounds (e.g., urea, ammonium nitrate, phosphoric acid, calcium phosphate, potassium chloride). Please note: Online orders placed after December 10th may not arrive before December 24th. 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