whats everyone using to condition r/o top off water i top off about12 gal weekly on my 90 i use b-ionic 3 times weekly and change 6 gal weekly waterchange was using aragamilk to condition top off water dont think it worth using thanks
Same here. The only thing that evaporated out of your tank is pure h2o. Calcium, carbonates, iodine, and etc. are still in your tank. Blindly adding anything to your top off will increase its consentration in the tank.
in general don't add anything. If your salinity is low due to skimming or salt creep it's OK to add a couple tablespoons of salt mix to your topoff water.