RO/DI unit upkeep

[c_scherer123]

Ok, a ro/di unit it is.

Are there any cons to having one with a storage tank?
I know ro water tastes terrible after a day or two of sitting - but would it matter to the fish? It is in a sealed water tank that comes with the ro/di unit.

Originally Posted by mike31154

Aha, one more incentive to get out there and buy that new tankless hot water heater. Shouldn't be an issue using the warm/hot supply then. Some of the better models have controller/indicators where you can dial in the temperature at various tap locations. Take advantage of the government incentives on that now too.

Already have one - but ours has a small 5g heated tank to use while the machine gets up to speed. So hot water isn't exactly the best in my case anyways.