Are you sure you don't mean sodium hypochlorite? I have been a professional power washer for almost 30 years now and one of the biggest in my area, and Sodium hypochlorite and sodium hydroxide are the two most used chems for concrete cleaning.. I have never used hypophosphate for it, or know of...
I had a busted Craftsman 3/8 ratchet from the 80's. I took it to Lowes and the clerk told me to go grab one off the shelf. I went over and there were no standard 3/8 Craftsman ratchets on the shelf, just the 120 tooth fine ratchet. The clerk said, looks like you're getting upgraded today, handed...
Buy some liquid pool shock. Take a 2 gallon pump up sprayer and fill half way with water and some dish detergent (Gain works the best), and fill the pump sprayer the rest of the way with the pool shock. Spray the drive way really good, multiple times of needed. This will instantly kill the...