Join Date: Nov 2013
Location: Bay Area, NorCal
Well, did a 90% water change to switch to ro water and got to tds of 220. One day later.. Ammonia is 0.25ppm, nitrite is 0.5ppm and nitrate is about 5ppm. Guess i still have to wait a bit. How often should I be doing water changes now? And how big? 2x week for 20%? Or less often?
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