API pH Up raises freshwater aquarium pH with a phosphate-free formula. Different fish species thrive at different pH ranges, and pH Up lets you adjust your water to suit the fish you keep - safe for both fish and plants.

Key Features

Phosphate-Free Formula: Raises pH without contributing to algae-feeding phosphate levels.
Fish & Plant Safe: Formulated to be safe for both livestock and live plants when used as directed.
Versatile Use: Suitable for new aquarium setup, routine pH adjustment, or after water changes.