Basement Surprise
I went downstairs this morning and found water around the heater that definitely wasn’t there the night before. The tank looks fine from the outside, but I’m concerned there could be a hidden crack. This is the first time I’ve dealt with anything like it. Does anyone know a straightforward resource that explains what can cause a water heater tank to crack and how to spot the signs?
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Finding water there overnight is unsettling, even when the tank looks normal. I had a similar surprise with an older heater: the first puddle seemed to come from nowhere, and the outside showed no obvious damage. After drying the area, I traced the moisture to the lower seam, where corrosion had created a tiny crack. This guide explains common causes, including age, sediment, mineral buildup, pressure, and repeated heating cycles: what causes a water heater to leak repair or replace . If the tank body is leaking, shut off the supply and arrange a professional inspection.