Hydrometers

A good quality hydrometer is important to main optimal salinity. There is a wide range of choices for salinity. Many prefer a low salinity for fish only systems, around 1.018. If you plan on having liverock, corals, snails, shrimps, etc. It would be best to keep your salinity a little higher. The corals generally prefer 1.025, but you can compromise and run anything from 1.020 to 1.025. The most important thing is to keep consistent. You do not necessary have to get the most expensive tester on the market, even the low priced little SeaTest models will work. We would recommend having it compared to a Refractometer at your local pet shop so you can verify the results.

What do we use? We use the Refractometer for our systems. It allows us to quickly check the salinity in all of our systems and it's the most accurate method. We can also check salinity of incoming livestock, just 2 drops out of the fish bag and we have a reading.
 
 
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Premium Aquatics, Inc.
6050 E. Hanna, STE 4
Indianapolis, IN 46203
ph. 317-895-9005 fx. 317-895-9395