Electric pressure washer and then use the product called Spray and Forget twice a year on the walkway. It won’t wash away into the water down below and you will have moss free walkway moving forward.
Bleach is fine for tubs and non porous surfaces. It can be used on wood but the mold immediately detects the threat of bleach and it actually retreats deeper into the wood.
For some reason the vinegar kills the bleach and penetrates to where the mold retreats…
Trust me there are other ways...
Doooooo NOT USE BLEACH on a non hard surface!
Use white vinegar! Bleach is fine on hard surfaces but not on porous surfaces such as wood.
The vinegar will need to saturate the area and left to dry on its own. I’d repeat applications as necessary to rid it for good as long as you’ve removed the...
In case you were wondering if you live close to one...
Lol, kind of wild to be honest
https://www.google.com/maps/d/viewer?msa=0&mid=1iEX75wVP1GVOyFXfPjOqMbrnORM&ll=33.082215317019866%2C-83.6239815&z=7
I would wheel my old chest freezer to the back deck door and use the water hose and just run water over the ice and it would take less then 10 min. It took longer to unload and reload the contents hahaha