Understanding Black Tank Shape
Yesterday, I cleaned my black tank by using a wand. I quickly realized what I thought was the bottom of the tank wasn't. I think my tank is shaped like a pyramid or at least is higher in the middle. T...
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I don't know what yours looks like, but here are a couple of examples.
It appears that most are sloped to the drain side, which makes sense.
It appears that most are sloped to the drain side, which makes sense.
