API PH Down Liquid 4 oz.
- Contains one (1) API pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce 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