PondCare Ammo Lock Ammonia Detoxifier for PondsAPI Pond Ammo Lock (formerly PondCare Ammo Lock) instantly detoxifies ammonia from fish waste, tap water, uneaten fish food, and decomposing plants and algae. Use as a water conditioner to instantly make fresh pond water for plants and fish, or to remove unsafe ammonia levels in existing water. Detoxifies ammonia Instantly makes pond water safe for fish Eliminates ammonia stress and promotes healthy gill function Use whenever ammonia is detected Ammo