API Ammo Lock
Price range: ₹825.00 through ₹1,890.00
- Instantly detoxifies harmful ammonia
- Helps protect fish during ammonia spikes
- Suitable for freshwater, marine, and reef aquariums
- Ideal for aquarium cycling and emergency situations
- Supports fish during filter failures and power outages
- Helps reduce ammonia-related stress
- Easy-to-use concentrated liquid formula
- Safe for freshwater and saltwater systems when used as directed
- Excellent emergency water treatment for every aquarist
- Made in USA by API
Product Information
API Ammo Lock – Instant ammonia detoxifier for freshwater and saltwater aquariums that converts toxic ammonia into a non-toxic form, helping protect fish during ammonia spikes, aquarium cycling, transport, overfeeding, filter failures, and emergency water quality situations. Safe for freshwater, marine, and reef aquariums.
Instantly Detoxifies Harmful Ammonia to Help Protect Aquarium Fish
Ammonia is one of the leading causes of fish stress and sudden fish loss in aquariums. It commonly occurs during new tank cycling, overfeeding, filter failures, power outages, overcrowding, or after adding new fish.
API Ammo Lock is specifically formulated to instantly detoxify toxic ammonia, converting it into a non-toxic form that is safer for fish while your biological filter continues processing it through the nitrogen cycle.
Unlike products that simply remove chlorine, API Ammo Lock is designed for emergency ammonia management and can be used in both freshwater and saltwater aquariums, including reef systems.
It is an excellent product to keep on hand for unexpected ammonia spikes and stressful situations.
Why Aquarium Hobbyists Choose API Ammo Lock
- Instantly detoxifies toxic ammonia
- Helps protect fish during ammonia spikes
- Suitable for freshwater aquariums
- Suitable for saltwater and marine aquariums
- Reef-safe when used as directed
- Useful during aquarium cycling
- Helps during filter failures and power outages
- Supports fish during emergency water quality issues
- Easy-to-use liquid formula
- Made in USA
When Should You Use API Ammo Lock?
API Ammo Lock is commonly used when:
- A new aquarium is cycling
- Ammonia is detected during water testing
- Fish are gasping at the surface
- A filter stops working
- There is a power failure
- Too many fish have been added at once
- After heavy feeding or accidental overfeeding
- During emergency fish rescue situations
Important: API Ammo Lock detoxifies ammonia but does not remove it from the aquarium. Your biological filter still needs to convert ammonia into nitrite and then nitrate.
Dosage Instructions
- Use 5 ml (1 teaspoon) for every 38 litres (10 US gallons) of aquarium water.
- One dose detoxifies up to 3 ppm of ammonia.
- If ammonia remains present after testing, additional water changes and investigation of the cause are recommended.
Always follow the dosage instructions on the product label.
Suitable For
- Tropical Freshwater Aquariums
- Goldfish Aquariums
- Planted Aquariums
- Shrimp Aquariums
- Marine Fish Aquariums
- Reef Aquariums
- FOWLR Systems
- Quarantine Tanks
- Emergency Fish Rescue
Country of Origin USA
Expert Recommendation from Something Fishy
Every aquarium owner should have an ammonia detoxifier available for emergencies.
API Ammo Lock is not a substitute for proper biological filtration or regular maintenance, but it can be invaluable when ammonia suddenly rises due to cycling, filter issues, or accidental overstocking.
At Something Fishy, we recommend using Ammo Lock alongside regular water testing with an ammonia test kit to identify and resolve the underlying cause of the ammonia spike.
Information
| Size | 118ml, 237ml, 473ml |
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Frequently Asked Questions
No. API Ammo Lock converts toxic ammonia into a non-toxic form that is safer for fish, but it does not physically remove ammonia from the water. Beneficial bacteria still need to convert it into nitrite and nitrate through the nitrogen cycle.
Yes. API Ammo Lock is commonly used in fish-in cycling to help protect fish from toxic ammonia while beneficial bacteria establish. However, it is not a substitute for properly cycling an aquarium.
Yes. If ammonia is detected, API Ammo Lock can help detoxify it immediately while you identify and correct the underlying cause, such as overfeeding, inadequate filtration, or an incomplete nitrogen cycle.
Yes.
Many ammonia test kits measure total ammonia, including detoxified ammonia. After using API Ammo Lock, your test kit may still show ammonia even though the toxic free ammonia has been converted into a less harmful form.
Both products help protect fish from ammonia, but they are designed slightly differently.
API Ammo Lock
Specifically detoxifies toxic ammonia
Ideal for ammonia emergencies
Easy to use during ammonia spikes
Seachem Prime
Removes chlorine and chloramines
Detoxifies ammonia, nitrite, and nitrate temporarily
Commonly used as both a water conditioner and emergency treatment
If your primary concern is an ammonia spike, API Ammo Lock is an excellent dedicated solution. The direct Seachem equivalent to API Ammo Lock is Seachem AmGuard, which is formulated specifically as an emergency ammonia detoxifier.
No.
API Ammo Lock provides temporary protection by detoxifying ammonia, but water changes are still necessary to remove waste, lower nitrate levels, and maintain overall water quality.
Gasping at the surface may be caused by toxic ammonia, low oxygen, poor water quality, or high nitrite levels. If ammonia is present, API Ammo Lock can help detoxify it while you improve aeration, test the water, and resolve the root cause.
Ammo Lock is only required if ammonia is present. Borewell water itself does not usually contain ammonia, but aquarium ammonia is produced from fish waste, uneaten food, and decaying organic matter. Always test your water if fish appear stressed.
Yes. API Ammo Lock is suitable for all freshwater aquarium fish, including premium species such as Arowana, Flowerhorn, Discus, Oscars, Koi, Goldfish, Bettas, Guppies, Tetras, and Angelfish, as well as marine fish when used as directed.
Yes.
Extended power outages can reduce biological filtration and allow ammonia to rise. API Ammo Lock can help protect fish while filtration is restored, but water testing and corrective maintenance are still recommended.
Yes. If you suspect ammonia has accumulated in the transport water or you are introducing fish into a newly set-up aquarium, API Ammo Lock can help reduce the risk from ammonia while the fish acclimate.
Shipping & Returns
We deliver all over India. For full details of the delivery options we offer, please view our Delivery information
We hope you’ll love every purchase, but if you ever need to return an item you can do so within a stipulated time of receipt which may vary from product to product. For full details of how to make a return, please view our Returns information



