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myredracer's avatar
myredracer
Explorer II
Sep 15, 2018

Total holding tank volume for two gray tanks? UPDATE

I had to pull down the underbelly coroplast recently due to an overflowing toilet. (:M) I found that the gray tank for the bathroom is 20 gallons (per sticker on the tank). The printed factory br...
richardcoxid's avatar
richardcoxid
Explorer
Sep 15, 2018
The above post continued-

If the bottom is sloped, measure the shallow end and the deep end. Average them and it will be close enough. IE: deep end 7 inches, shallow end 6 inches call it 6 1/2 in all over the bottom.

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