ro or ro/di

[G1GY]

Originally Posted by reef_raf

I thought I read somewhere to run 5g thru it first, just to clean out the fungicide..might depend on th ebrand.

That could well be right Brad.

But quite a bit of it is washed out if you just flush the membrane when doing the set up.

But the couple of gallons number was just something that I grabbed out of the air.