@KSCronk: without a multiport valve (which many DE filters lack) it's usually not possible to vacuum to waste. I'm not sure what alternatives may exist for you but, it's much easier to answer your questions, when we know something about your pool. We often 'waste' the first few posts back and forth collecting information. So, please complete our new Pool Chart form -- it takes about 30 seconds, but will save much more than that.Pool Chart Entry Form
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@Creamy: that's true with some -- but not all -- DE & cartridge filters.
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