Find the Perfect Electric Water Heater With This Hydrostatic Pressure Test

Use the easy-to-make hydrostatic pressure test stand described in this article to convert an old electric water heater into a storage container, air bomb or much more.

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Thar she blows! MOTHER's easily constructed, hand-operated hydrostatic pressure test stand finds the flaw in a defective water heater tank.
PHOTO: MOTHER EARTH NEWS STAFF