The Puffer Forum

The sg in my tank varies from 1.008 to 1.014. I have two gsp's about 1 inch long each. I have a 15 gallon tank and do regular water changes with instant ocean and prime. I only put a drop per each gallon of water, because it says a teaspoon to 50 gallons of water. How much salinity is ok for these fish. I have had them a little over a month and they seem fine. I just want to make sure the salinity of the tank is ok. Thankx for all of your help. Everyone.

what are you using to check you salinity? Ive heard the normal thing(forgot the name) can veri quit abit. A refracter is the most accurate

I am using a hydrometer.

A hydrometer is fine to check the salinity but i wouldnt let it move more then .002 during water changes to make sure your bacteria are stable. And that 15 gallon will need to be upgraded asap to prevent any stunting in there growth. What are your other parameters ei. amm, nitrite, nitrate?

Edit: to answer your original ? that salinity is fine and you can move them to full sw when ever you want or just keep them at a highend brackish when they reach around 4 inches.