Cleaning your favorite drinkware shouldn’t feel like a chore, so that’s why we created our three-ingredient, USA-made Tank Powder. Our easy-to-use cleaning powder is all-natural + biodegradable so you can feel safe using it in your kitchen or the backcountry. It’s residue-free and perfect for cleaning everything from stainless steel or silicone to plastic straws, bottles, or water bladders. One four (4) oz bag of Tank Powder will clean any 64 oz DrinkTanks® Growler up to 10 times. Learn more about how to clean with DrinkTanks® Tank Powder in our Pro Tips Cleaning video [https://drinktanks.com/pages/pro-tips]! [DrinkTanks® Tank Powder Feature Icon] KEY FEATURES * Made with only three all-natural ingredients * Removes flavors + odors from prior use * Biodegradable + Eco-Friendly * Phosphate, Chlorine, Residue + Fragrance-Free * Hypoallergenic * Safe for stainless steel, plastic + silicone * Built for optimal cleaning when paired with DrinkTanks® Tank Brush [https://drinktanks.com/products/tank-brush] * Made in USA