What's wrong with this "Best Seller Water Level Controller Unit."
Yesterday, while writing about water level controllers, I found an Amazon best-seller product. Which is a water level controller… It’s not the product that I recommend in my blog post. It’s something else. Out of curiosity, I opened the product and checked what was special about this product. The only thing I noticed is that it’s a little bit cheaper than the product I’m recommending and has fewer features. The price difference is not huge…...