Water testing
API
Fish & Aquatic · Water Care
API
API 5-in-1 Aquarium Test Strips, 25 Count
Water testing
Best for: Quick routine water checks
Dip-and-read strips that test pH, nitrite, nitrate, general hardness (GH) and carbonate hardness (KH) in about a minute.
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What we like
- Fast and easy
- Five tests on one strip
- Good for routine checks
Keep in mind
- No ammonia test
- Less precise than a liquid kit
Our in-depth look
Who it's for
Fishkeepers who want quick weekly checks, alongside a liquid master kit for accurate readings.
Tips
Keep strips dry and sealed. During cycling, use a liquid ammonia test too — strips don't cover ammonia.
Key features
- pH, nitrite, nitrate, GH, KH
- Results in about one minute
- 25 strips
- Freshwater and saltwater
See full details on Amazon
Questions owners ask
Do the strips test ammonia?
No — use a liquid ammonia test as well.
Strips or liquid kit?
Strips are quick; liquid kits are more accurate. Many owners use both.
