Tag: Dr. David Zhang’s 5-second test
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Easy 5 Seconds Toilet Flush Test & Solving the Slow Flush Mystery
Easy 5 Seconds Toilet Flush Test and Solving the Slow Flush Mystery Did you know that there are 3 different kinds of openings in your toilet? For a long time, I was trying to figure out the mystery of slow flush in my toilet, and finally I found the explanation and solution. I have discovered…