Pressurewasher2014
New member
Hello Everyone im new to this group, I started a small pressure washing business a few months ago. I have been washing 2-3 story brick homes and have been having trouble finding the correct SH/bleach mix to softwash black mold/algae on brick to where it falls right off! i use 8.25% store bought bleach/water and green dawn soap. i have a hydrotek 3,500 psi 5.5 gpm with a 250 high pressure hose and i downstream. Any info would help thanks!