I'm in the process of raising my salinity from 1.024 to 1.025.I have a sump,when it lowers due to evaporation I put in two cups of water from the last water change every few days and then test with a refractrometer.I save 5gal.of water each time for different reasons.You can also just take out and replace two cups if you don't have a sump.The saved water is also good for replacing lost water from the skimmer,if you always replaced lost skimmer water with freshwater your salinity would lower.![]()



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Thanks again guys


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