Originally posted by NM reef:
<strong>Purchased and tested ro/di water.Health department requires monthly testing of the places water(they always know I want to see the current test results from the State)...and I check it for ph/nitrate/phosphate/silicate prior to using it.Cost is .20 per gal and I normally get 20 gal per week...unless for some reason I'm doing intense water changes.My Birthday is in July if anybody wants to send me a ro/di unit for the work shop!!!!!
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I'm with NM. I buy water from a drinking water place. 2 r/o units, 2 carbon filter units, di and uv sterilize. $0.20 a gallon.