It's fine. you want water in there to keep everything from drying out. If you use it at least once a month you should be ok. You should use straight RO water for top offs, so you'll be using it frequently i'd bet.
Oh, good. The chambers drained a little after I finished, maybe 3/4 of the way full now, is that good enough?It's fine. you want water in there to keep everything from drying out. If you use it at least once a month you should be ok. You should use straight RO water for top offs, so you'll be using it frequently i'd bet.