Yep, that's what I mean. I was stunned once I put a meter on my RODI unit. Good old Lake Michigan muni water has tons of crud in it. I forgot what the phosphate levels were when I tested my tap water, but it was high.
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300 Reef; 325LR, 1/2" sand bed in tank, 3" sand bed in 215 gal sump/refugium and Berliner PowerPro SS twin becket skimmer. 210 Reef; with 225 lbs of LR, 300 lb DSB, Large W/D and Jebo 520 skimmer modified to accept a becket. 90 RR FOWLR; tied into the 300's sump with a closed loop for extra circulation. 55 hospital. |