echoofformless
Peat Advocate & Defender Of Snails
To R/O water? Yes. You often need to add stuff to it. I don't know because I'm not familiar with R/O water...but I have read that stuff needs to be added back to it.
What manner of tank is this? Who lives in it? How big is it?
What are the parameters of your tap water? Is it municipal?
What manner of tank is this? Who lives in it? How big is it?
What are the parameters of your tap water? Is it municipal?