Holding Tank - One Pump

[Wideocean7]

Originally Posted by smacksman

On the new installation, make sure that the vent from the holding tank drains back to the tank. I had one boat where there was a dip in the vent pipe which filled with poo when the tank was not pumped out in time. The poo dried and blocked the vent. When the deck fitting was opened prior to a pump out, the pressurised plastic holding tank blasted a 6 foot column of sewage all over the deck, mainsail and crew!

Fair point mate. Fortunately my vent is all uphill to the hull port.