Think you have to crack open your walls to see if there’s mold in your home? Think again. There’s actually a very simple way to check your home for mold—and it only takes about 25 seconds.
How to check for mold — by way of your toilet.
Go ahead and pop open the cover of your toilet tank and check the undersides. If there is mold present there, it could mean that you have mold somewhere in the house that’s providing the spores needed to start growing inside your toilet tank.
Read the full article here: https://www.mindbodygreen.com/articles/quick-test-for-seeing-whether-your-home-has-mold