- Joined
- Apr 16, 2019
- Messages
- 96
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- 17
hey! I went to my LFS today and they said my salinity is 1.031 ! My tank is 13.5 gallons, I don't have a proper hydrometer reader and I'm not fully sure how many gallons to replace with freshwater to drop to around 1.023ish... can someone assist me with the math because I have no idea.