Quote:
Originally Posted by Bigbit
I do 'em one at a time, black first, then grey to flush out the hose.
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Same here.
But for a permanent connection I hitched up the grey only. Then every 4-5 days hitched up and drained the black water and then switched it back to the grey. I figure it's better for the black water tank to have a good "whoosh" to get the solids out. But I've only done this at one site so ...