API pH DOWN Freshwater Aquarium Water pH Reducing Solution 118 ML Pet Health Supplements  (118 ml)

Contains one (1) API pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce (118 ML ) Bottle Lowers freshwater aquarium water pH with a phosphate-free formula Does not promote algae growth with pH adjustments and is safe for plants and fish Slowly neutralizes alkaline substances that cause high water pH Test water weekly and use to correct pH level in freshwater aquariums This product contains 9.6% of sulfuric acid