Water Quality Test Kits
Water quality is the most important aspect in keeping a healthy aquarium, which means testing your aquarium's water for pH, ammonia, and nitrites weekly an important part of your maintenance program.
Ammonia Test Kit
City water contains ammonia, but most ammonia in a tank comes from the breakdown of food, fish waste & decaying plants. Test for ammonia every 2-3 weeks, except when tank does not appear to be in good shape, then test more often.
See: Fritz Ammonia Test Kit
Nitrite Test Kit
Nitrites are toxic and should be tested once every several days in a new tank and once per week in established aquariums. Nitrites are the result of the oxidation of ammonia by nitrifying bacteria in the biofilter.
See: Fritz Nitrite Test Kit
pH Test Kit
Test the pH levels of your aquarium to make sure your aquaculture and marine life flourish in sustainable conditions. The pH preference of each species varies, so it is important to test the pH often.
See: Fritz pH Test Kit
Quick & Easy Reference
- All Fritz Test Kits come with lab-grade liquid reagents for the most accurate testing possible
- Plastic Test Tubes stay crystal clear and won't break like other brands’ glass test tubes
- Easy to follow instructions
- Fritz Color Charts are easy-to-read, reducing human error & increasing the accuracy of the test

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Nitrifying Bacteria