- Joined
- Jul 8, 2019
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Thank youA specific gravity of 1.010 will work of course, but it is riskier to the fish than 1.013 would be. For ich, people go as low as 1.009, but you must have a solidly accurate measuring device for that, one that you have utmost confidence in. I have a German glass laboratory hydrometer that I use to test my other devices against. Perhaps go to 1.011? That would ensure you are below 1.013, but not too low...
Jay