I'll take one in the morning... I will see the difference though as it was covered in lichen mostly. Not heavy lichen but tons of spots everywhere
I used one of those little Jackson 5lt sprayers to put it on. Took ages and the spray wasn't that great. I'm not sure if part of the issue is that the W&F comes out a little foamy rather than a pure water like spray so it didnt come out in a perfect fan like spray pattern. Looking at this for future spray usage (including weedkilling etc) - Knapsack Sprayer
How did you apply yours and how did you find it?
I used patio magic and it came out perfect