The physics are clear: the density of water makes it much heavier by the square foot than the materials you’re used to hauling in your truck bed.
Put a tarp in your truck bed, fill it with water, then add some people, and you’ve quickly exceeded your pickup’s max payload capacity.
This is even true if you only fill up your truck bed halfway, bedliner manufacturer DualLiner says. “This is one of the reasons that truck beds have drain holes – not only do they help prevent rust and moisture buildup, but they help protect your truck’s suspension.”
And with the cost of pickups these days, putting in a pool at your house is probably cheaper.
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