Will sand filter become dirty after some time where back wash not able to clean? Will it cause re-contamination like Diamond said?
Household [WTA] POE Outdoor Water Filter: UE-tec, need honest negetive feed back, if any
Household [WTA] POE Outdoor Water Filter: UE-tec, need honest negetive feed back, if any
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Feb 25 2012, 06:39 PM
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Will sand filter become dirty after some time where back wash not able to clean? Will it cause re-contamination like Diamond said?
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