Is there a good way to make sure that the pump is actually circulating water through the whole loop?
How To Tell If Water Is Leaking In Walls. If the house in on a concrete slab, you could have a leak under the slab. How do you tell if a pipe is leaking in a wall?
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If the house in on a concrete slab, you could have a leak under the slab. Water that's safe to drink should ideally be clear with no odor or funny taste. Mold often grows out of sight in wall cavities due to water problems like flooding or leaks.
Your doctor or midwife will use one of two common tests to see if the fluid leaking is your water or not.
In extreme cases, it can form puddles on the floor, and eventually the tank and walls may turn black with mold. How old is the roof? Walk your basement, feeling the walls for any excess moisture. While many water leaks are caused by defective plumbing, leaks can also come from rainwater draining down inside the walls or from a cracked and leaky foundation.