API Ammo Lock - Aquarium Ammonia Detoxifier - 118ml

API Ammo Lock detoxifies toxic ammonia in both fresh and saltwater aquariums. Ammonia is toxic to ...

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Product Information

Full details

API Ammo Lock is an essential water treatment for freshwater and saltwater aquarium owners who need to protect fish from ammonia poisoning during tank cycling or emergencies. By instantly detoxifying harmful ammonia and removing chlorine and chloramines, it helps reduce fish stress and supports healthy gill function, though users should be aware that the neutralized ammonia will still register on standard water tests until the biological filter fully processes it.

All features

BrandAPI

Extended Product Information

FAQs

Is API Ammo Lock safe for all fish?

Yes, it is designed to be safe for both freshwater and saltwater fish when used according to the provided instructions.

Will this product clear my ammonia levels instantly?

It detoxifies the ammonia instantly, but the total ammonia will remain in the water until your biological filter removes it.

Can I use this with other water conditioners?

API Ammo Lock already removes chlorine and chloramines, so it is often used as a primary conditioner during ammonia-related emergencies.

How often should I add Ammo Lock?

Continue the treatment every 2 days until your test results confirm that ammonia is no longer present in the system.

What is the dosage for this 118ml bottle?

The recommended dosage is 5ml per 38 litres of aquarium water.

Troubleshooting

Ammonia levels are still high on tests after treatment

This is normal; the product renders ammonia non-toxic, but tests will still detect it. Monitor fish behavior and wait for the biological filter to process the locked ammonia.

Fish appear stressed even after dosing

Verify the water temperature, oxygenation, and check for other water quality parameters like nitrite and pH that may require different treatments.

Pros and Cons

Pros

  • Provides immediate protection against ammonia spikes
  • Effective at neutralizing chlorine and chloramines
  • Supports fish health by protecting delicate gill tissue
  • Easy to dose at 5ml per 38 litres of water
  • Works in both fresh and saltwater setups

Cons

  • Neutralized ammonia still appears on standard colorimetric test kits
  • Requires repeated dosing every 2 days until natural filtration takes over
  • Must be used in conjunction with a healthy biological filter for long-term results

Setup, Compatibility & Care

To use API Ammo Lock effectively, ensure your aquarium has an established biological filter. Add 5ml for every 38 litres of aquarium water. If ammonia is still present after 48 hours, repeat the treatment until your test results return to zero. Store the bottle in a cool, dry place out of direct sunlight and keep it away from children and pets. This product is compatible with all API water testing products, though it is vital to remember that these tests measure total ammonia, not just the toxic component, which explains why the readings remain high after treatment.

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