Aquascape Clear for Ponds contains a concentrated formulation of ingredients designed to eliminate unsightly water conditions, solving even the most stubborn water quality problems. The specialized formulation contains a blend of clarifiers designed to clear cloudy or discolored water and reduce debris that attaches to rocks and gravel. Clear for Ponds also contains a powerful phosphate binder to lock up excess nutrients that may otherwise cause water quality problems. The easy-to-use pump top accurately measures 378 litres of treatment per pump and the 236ml bottle treats 18,900 litres total. Clear for Ponds is safe for fish, plants, pets, and wildlife.