API Ammonia Test Kit

Protect your fish and keep your aquarium safe with the API Ammonia Test Kit.

This easy to use liquid test kit measures ammonia levels, one of the most critical and dangerous parameters in any aquarium. Even low levels of ammonia can cause stress or harm to fish and invertebrates, making regular testing essential especially during new tank setups or unexpected changes in behavior.

With simple instructions and clear color coded results, this kit allows you to quickly detect issues and take action before they become serious.

What It Tests

• Ammonia (NH3 / NH4) levels in freshwater and saltwater aquariums

Why It Matters

Ammonia is highly toxic and often the first indicator of a problem in your tank.
Monitoring levels helps prevent stress, illness, and potential loss of livestock.

Perfect For

• New tank cycling
• Emergency water testing
• Freshwater aquariums
• Saltwater and reef tanks
• Routine monitoring and maintenance

What’s Included

• Ammonia test solutions
• Glass test tube with cap
• Color comparison chart
• Step by step instructions

Pro Tip

If ammonia is detected, perform a water change and use a quality water conditioner like Seachem Prime to help detoxify harmful levels and protect your fish.