From the Lab

Phosphate plays a key role in aquarium ecosystems but can cause problems at high levels, such as poor water quality and stunted plant or coral growth. It originates from fish waste, uneaten food, and decaying plants, existing as ionic phosphate (in water) or tricalcium diphosphate (on rocks). Acceptable levels depend on the aquarium type, with freshwater planted tanks needing 0.15–1.0 ppm and saltwater tanks under 0.03 ppm. Managing phosphate involves regular testing, water changes, and using products like Quantum Aqua’s Phosphate Removers, which target both ionic and bound phosphate. Proper management ensures a healthy, balanced, and thriving aquarium.