API Ammo Lock ammonia detoxifier converts  poisonous ammonia into a non-toxic form.

Ammo Lock ammonia detoxifier works instantly in both fresh and saltwater aquariums, by removing ammonia, chlorine, and chloramines.

Note: If your aquarium tests positive for ammonia, perform a partial water change first, and then neutralize the ammonia. 

Size: 118mL & 237mL