Mardel Live NH3 In-Tank Meter (Ammonia) Aquarium Water Testing Refill Pack

Ammonia levels displayed clearly with out having to test. Saves time and money on other strips. Constant feedback on stress level.

Product is a neat idea to continuously monitor Ammonia levels in the aquarium. However, the readings are not accurate and do not match the readings I get when I manually sample the water for Ammonia. I do not recommend this product. Since I cannot trust the readings, this has been a waste of money and I still have to manually sample and test the water.

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