Quote:
Originally Posted by Aquattro
I think that's a good sample of what is supposed to be in your water. If something else enters the water mains post testing site, it's invalid. Having RO protects against that. Also, the city doesn't test everything that might impact a reef.
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Also how often do they test the water? i doubt its daily and I doubt any reefer would log on to see whats in the water on any given day...