Blair's Columbia 26 Forum


Blair's Columbia 26 Forum
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Re: Holding Tank

I just recently install an 18 gallon holding tank under the cockpit just behind the step. I removed the toilet instruction lable, used a roto zip and cut a hole, than cut a hole in the bulkhead leading to the cavatity behind the table, pulled hose out under seat by the sink, and ran hose into the aft cabin and to the tank, installed vent on port side and pump out on deck in cockpit area.