API® AMMO LOCK Ammonia Detoxifier – 473ml
API® AMMO LOCK ammonia detoxifier is scientifically proven to protect fish against harmful ammonia by converting poisonous ammonia into a non-toxic form. AMMO LOCK ammonia detoxifier works instantly in both fresh and saltwater aquariums, eliminating fish stress caused by elevated ammonia levels and promoting healthy gill function. Note that if your aquarium tests positive for ammonia, it is necessary to perform a partial water change first, and then neutralize the ammonia.
Add 5 ml per 10 gallons of aquarium water. Add every two days until ammonia is not detected.
| Usage | 5 ml per 10 gallons of water, every two days until ammonia is no longer detected |
|---|---|
| Compatibility | Freshwater and saltwater aquariums |
| Function | Converts toxic ammonia into a non-toxic form |
FAQ
What does API AMMO LOCK™ ammonia detoxifier do?
API AMMO LOCK ammonia detoxifier converts toxic ammonia into a non-toxic form, protecting fish from ammonia poisoning and reducing stress in both freshwater and saltwater aquariums.
How should I use the detoxifier?
Add 5 ml per 10 gallons of aquarium water. Apply every two days until ammonia levels are no longer detected in the water test.
Is it safe to use in saltwater aquariums?
Yes, API AMMO LOCK works instantly in both freshwater and saltwater aquariums to neutralize ammonia.

Harry Forsyth –
I’ve used this product after detecting high ammonia levels in my freshwater tank. It worked quickly and my fish showed no signs of stress. I added it every two days as directed and the ammonia levels dropped within a few days. Easy to use and effective.
Alan Rutherford –
The detoxifier helped reduce ammonia spikes during water changes. My betta fish stayed active and healthy. I followed the dosage instructions carefully and saw noticeable improvement in water quality.
Joseph Sutherland –
After a sudden water change, my saltwater tank had elevated ammonia. I used AMMO LOCK as recommended and the ammonia disappeared within two days. My corals and fish remained calm and healthy.