Quote:
Originally Posted by Coleus
I have no sand bed and this is not a new tank. It used to be FOWLR tank and then switch to reef tank.
I top up about 15 gallon of RO FW per week and do 15 gallon of water change every week
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I have stopped topping up with FW and only use SW it has helped to keep my levels up. I keep my salinity at about 1.025 but top up with water with a salinity at 1.022. I found when I did use FW my levels dropped and it was hard to get them back.