- Contains one (1) API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box
- Monitors levels of pH, nitrite, nitrate carbonate and general water hardness in freshwater and saltwater aquariums
- Dip test strips into aquarium water and check colors for fast and accurate results
- Helps prevent invisible water problems that can be harmful to fish and cause fish loss
- Use for weekly monitoring and when water or fish problems appear
From the manufacturer
Testing the Waters
In order for fish to thrive, water must be similar to that which could be found in their natural environment. Poor water quality can cause fish stress, illness and even loss. Most common water quality parameters are Ammonia, Nitrite, Nitrate, and pH. All may vary over time and all are invisible to the eye which is why it is important to test weekly. Testing aquarium water weekly will aid in keeping your most important water parameters within the proper range for your aquarium. Choose from a wide range of API testing options, such as our popular FRESHWATER MASTER TEST KIT or 5-IN-1 TEST STRIPS, for accurate water evaluation. Regular testing will help you easily determine your aquarium conditions.
Find Your Ideal Testing Style!
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Your API Test OptionsChoose the test method that works best for you. Whether you’re a bit pressed for time, or you prefer to measure your parameters on a more in-depth scale, or you only need to test one or two specific parameters, API has what you need! |
Dip and ReadJust dip a 5-in-1 TEST STRIP in your aquarium, swirl twice, and compare to our color chart for fast and accurate results. |
The Scientific ApproachFor more detailed analysis, use the FRESHWATER MASTER TEST KIT, POND MASTER TEST KIT, SALTWATER MASTER TEST KIT, or REEF MASTER TEST KIT for precise readings of parameters. |
Pick One (or Two)Need to check your phosphate levels? What about ammonia? API offers specific test kits to test many different parameters, from general hardness and copper to pH and nitrate. Grab the one you need for a streamlined approach to testing. |
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| API QUICK START | API AMMO-LOCK | API pH UP | API pH DOWN | API NITRA-ZORB | API PHOS-ZORB | |
| Customer Reviews |
4.7 out of 5 stars
12,118
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4.6 out of 5 stars
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4.6 out of 5 stars
612
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4.5 out of 5 stars
1,628
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4.4 out of 5 stars
2,529
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4.5 out of 5 stars
413
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| Price | $17.38$17.38 | $11.24$11.24 | $17.54$17.54 | $13.05$13.05 | $15.29$15.29 | $14.03$14.03 |
| Too much nitrites? | ✓ | ✓ | ||||
| Too much ammonia? | ✓ | ✓ | ✓ | |||
| Inappropriate pH levels? | ✓ | ✓ | ||||
| Too much nitrates? | ✓ | |||||
| Too much phosphates? | ✓ |
Making a Better Underwater World
At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world.