Besides the RO/DI storage tank (top) I installed a second one for mixing and storing saltwater. Inside the tank there is a heater and a Maxi-jet for flow. Attached also another Maxi-Jet on the faucet connector to pump the water more quickly to the tank when doing water changes.
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Very nice. This is almost the same setup that I have in my fishroom for FW. I got 2 of the 65g tanks just like yours from FF and did about the same thing. Got a Mag 9 on there for pumping the water up higher at a good rate. I put both tanks as near the ceiling as I could in order to utilize gravity when I can. They work very nicely.
