API 164M First Impressions
Perfect for quick checks.
These helped me check the levels and they were easy to use. To test it, I bought a 5 pack of 5 site test strips from Petco. The caps do leak a tiny bit on the tubes. But just for a quick check, its hard to beat these test strips. These are do helpful with maintaining your tank. Overall good value for a small hobbyist aquarium owner. Some of the readings develop better than others.
- Editor's Impressions Of The API 164M
- Test Accuracy [star rating='4.8']
- Build Quality [star rating='4.1']
- Value For Money [star rating='5']
- Feature Set [star rating='4']
API 164M Final Thoughts
However, it is not.
Tetra has always done that and I will continue to use their products. All bottles clearly labeled and tell you how many drops. But it turns out that is not the case. Before, I brought water into a pet store, but kept seeing no signs of improvement. I like API products and find them the most accurate. This is a good kit so much more accurate and easy to figure out how to use it. These helped me check the levels and they were easy to use.
Overall Score
4.7
(1210 Points)

- API 164M Features & Specs
- Contains one (1) API POND MASTER TEST KIT Pond Water Test Kit 500-Test, including 6 bottles of testing solution, 3 color cards and 4 glass test tubes with cap
- Helps monitor water quality and prevent invisible water problems that can be harmful to fish
- Measures ornamental pond pH balance, Ammonia content, Nitrite levels and Phosphate content
- Contains six test bottles, instructions, glass test tubes and color charts for 500+ tests
- Use weekly for monitoring and when water or fish problems appear
- Manufacture: API
- Product Dimensions: 6.9 x 5.2 x 3.7 inches; 1.1 Pounds
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