Quote:
Originally Posted by christyf5
Unless its completely sterile it will develop a bacterial biofilm in it on the containers surface and those bacteria may produce unwanted bioproducts (ie. your RODI water isn't as pure as it once was).
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What if you fill up one of those garbage bins with RO water only? Would that be sterile enough sitting for a week or so? Then he can add salt in a seperate mixing container a day before he wants to do a water change.