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Potassium Nitrate 2.5lbAmazon$22.45
Potassium Nitrate, Crystal, Reagent Grade, 500 GAmazon$17.95
Dawn Scientific Potassium Nitrate 1lbAmazon$22.99
HUMCO 263794001 Potassium Nitrate FCC 4 oz, ShapeAmazon$37.99
Bray Healthcare Silver Nitrate Applicator Silver Nitrate/Potassium Nitrate 75% - 25% Applicator Vial (Pack of 100 Applicators)Amazon$21.00
Potassium Nitrate Technical Grade KNO3 4LBs 4 LBs (Granulated)Amazon$19.95
Potassium Nitrate HIGH Purity Milled Reagent Grade 4 LBS 4 POUNDSAmazon$27.98
Ecoxall Prilled Potassium Nitrate Powder - 5 Pound - 99% Highly Refined - Multipurpose Uses - Use for Lawn Care, Tree Stump Removal and More - Tree Stump Remover - Industrial Grade StrengthAmazon$35.00
PerioSciences Teeth Whitening Gel Pen Refill – 35% Carbamide Peroxide and Potassium Nitrate – Teeth Whitening – 3-PackAmazon$19.99
Whiter Image Remi-Paste Desensitizing and Remineralizing Toothpaste Pen with Potassium Nitrate for Sensitive Teeth, Whitening Aftercare + Enamel RepairAmazon$0.99
Focus On: 100 Most Popular Oxidizing Agents: Oxidizing Agent, Hydrogen Peroxide, Potassium Nitrate, Chlorine, Sulfuric Acid, Iodine, Fluorine, Sodium Hypochlorite, Bromine, Ozone, etc.AmazonSAVE $11.69
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Teeth Whitening Gel for Trays, 4 Take Home Syringes, 35% Carbamide Peroxide, with Potassium-Nitrate, Trays Not Included, USA Made, Teeth Whitening Kit by Everest VAASAmazonSAVE $14.01
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Auraglow 10% Overnight Teeth Whitening Gel, Sensitive Teeth Whitening,10% Carbamide Peroxide, Overnight Tooth Whitening Gel, 30 Treatments, (3) 5mL Whitening Gel Syringes, Contains Potassium NitrateAmazon$34.95
Covington Humic Acid, Fulvic Acid, Kelp Seaweed Fertilizer, PRO-LINE HFK-633: Superior Potassium Nitrate Root Growth Stimulant with Humic, Fulvic, and Kelp Fertilizer for Plant & Tree Root HealthAmazon