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krisroadruck
on Sept 17, 2020
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We Don’t Like Our Underground House
wouldn't the filter fabric get clogged over time?
mannykannot
on Sept 17, 2020
[–]
I would guess that a clogged membrane is more of a barrier to water flowing into the gravel than flowing out, as reverse-flushing is often a (partially-)effective measure to restore the flow in a clogged filter.
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