Quote:
Originally Posted by Freehood
One gallon of bleach should be added to tank then fill it up. Run water out of all faucets till bleach is smelled. Leave in lines and tank for an hour or so then drain and refill. Run water till bleach smell is gone.
Pump drains sink.
The design of sink into black tank is to ensure there is enough water in tank to drain properly. No mistake.
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Don’t use a whole gallon of bleach. 1/4 cup per 15 gallons of tank capacity pumped to each faucet and left for 4 hours then flushed will kill the slime and the smell. “They” say to do this annually but if you use well water you might need to do it more often.