On my wet/dry, I use the large 1" diameter "swimming pool" tubing to
run from my overflow box down to the sump. This seems to be the
standard hose used in that situation. It's the ribbed tubing, in my

Thought the standard was pvc pipes or smooth pvc-tubes (like the ones
used for canister filters).

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Malawi, The Fisher King - Ruler Of The World
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