API® POND AMMO LOCK ammonia remover acts as food for the beneficial bacteria in your pond's natural biological water filter. It also removes toxic ammonia, which is continuously produced in your pond from waste, converting it into a fish-safe form.

This product removes ammonia stress, promotes gill health, and provides a safe environment for your pond fish.

• Add 0.25 cup per 250 gallons of pond water or 1 cup per 960 gallons.