Water Testing
Water Test Kits
Using test kits to detect problematic water conditions is key to the sustainability of a healthy aquarium. For a fish-only tank, you should measure and monitor pH, alkalinity, ammonia, nitrite, and nitrate levels. In addition to these, you should also monitor the calcium, magnesium and strontium levels in a reef aquarium.Grid List
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Marine Depot Aquarium Refractometer
$49.99The Refractometer is a must have for all hobbyists. The proper salinity is crucial for the survival and health of your fish and corals. This high quality refractometer is extremely accurate and easy to use and calibrate. Calibrat... Learn More
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