Originally Posted by deartruc
PS, who doesn't drive a minimum of an hour from cg to home?
The parks where I go typically have a dump station at the exit and I don't have a dump station at home. If I'm heading home, the tank is empty before I hit the road.
I get the benefit of sloshing around the tank by adding 5 gallons to the black tank with water softener and laundry detergent before leaving home. I don't worry about that for the gray water tank and don't want to reduce my gray water capacity. The gray and black tanks being equal sized, the likelihood of my filling the black tank before being at a dump station is remote.
Speaking of gray tanks and black tanks being equal size, why do the manufacturers size them that way? If limited by overall weight capacity, wouldn't a 1:2 tank size ratio make more sense? I'd get a 33% increase in gray capacity and the likelihood of filling the black tank would still be very low.
Perhaps it's because owner's object less to dumping gray overflow in portable tanks they object to dumping black overflow? Oversizing the black tank means your never have to dump it except when you're at a dump station.
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