API Ammonia Test Kit Accurate NH3/NH4 Testing for Freshwater & Saltwater Aquariums
$17.99
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Standard U.S. shipping: $12.99; free standard shipping on eligible qualifying orders of $100 or more. Specialty shipments are charged separately.
Shipping & Delivery
Standard/Economy: $12.99; free standard shipping on eligible qualifying orders of $100 or more.
Most in-stock orders process in 1–3 business days. Estimated standard transit is 5–12 business days after dispatch. Backorders, preorders, and special orders follow their stated lead times. Dates are estimates, and separate shipments may have separate charges.
Review the Shipping & Live Arrival Policy and final charges at checkout. International rates and specialty charges are separate from domestic standard offers.
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.