TNB pH Down

TNB Granular pH Down Buffer A granular pH adjuster that lowers and helps stabilize the pH of your nutrient solution or soil, keeping it in the range where plants take up nutrients best. Its buffering action helps prevent pH swings. - Granular formula that is easy to measure and apply - Works in hydroponics, soil, coco, aquaponics, DWC and NFT systems - Made in Canada by TNB Naturals Sizes: - 1 lb (454 g): for home and small commercial growers - 40 lb: a bulk format for commercial and large-scale growers How to use: dissolve in water and add gradually to your reservoir or soil until you reach the pH you want. Test after each addition.