Products in the Peters Excel pHLow line were specially developed for hard water conditions. Pure ingredients result in highly soluble formulations that mix easily and keep irrigation systems clean and effective. Acidifying technology ensures a stable pH level in the growing media and the high levels of chelated trace elements deliver excellent growth and color.
21-7-7 Acid Hammer
Acid Hammer is a new tool to manage the effects of hard water on your plants. Peters® Excel pHLow® contains a unique technology called PeKacid®. Peters Excel pHLow is much safer to handle than traditional acids. Our line of Peters Excel pHLow products perform wonderfully in hard water. Peters Excel pHLow 21-7-7 Acid Hammer is effective in waters with alkalinity readings up to 300 ppm.