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6feetdown
Well-known member
A vortex unit the second tank holds a pump which will pump to drainage fieldWe used to fit a system called biorock with the tank and filter media in seperate tanks, had a vent from connecting pipe and similar could be a pita to get bang on.
If space allows we get units bolted together now with all connecting pipework already in place, most seem to offer a monoblock system now....what are you installing there ?
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