Gallons of Rainwater Collection from a Tarp or other Square Footage

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When it rains, there’s a stunning amount of water that falls from the sky! Rainwater collection adds up very quickly for every square foot that you’re able to capture from water runoff. To put it in perspective I’m going to use an ordinary Tarp of various sizes to give you an idea how much rainwater that you could potentially collect.   Note: A great prep item is an ordinary tarp (lots of uses). Even a small 5×7 foot tarp can collect a lot of rain! For example, by using a few lengths of cordage, tie up the tarp corners to

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