thread . how did you apply the bleach please ? Diluted with water or just neat ? And did you brush it on ? Or did u really scrub ? Or literally just spray on and leave ? Thanks Steve .
Hi, sorry for the late reply. I used proper full-strength domestos, and app lied it neat. I did a bit of light scrubbing to get it worked into the ston e, and then left it on for around an hour, before rinsing it off the low-pr essure way, and then finally pressure washing as usual. The way my patio is set up it was easy to direct the run-off into the drain - I would guess it 's a bad idea to get dilute bleach onto your plants.
I'd suggest experimenting with one affected stone to see what technique wor ks best for you. If the weather was hot and the stuff was drying up rapidly I'd guess it might be worth moistening it with some sort of mister before it dries completely.
Cheers,
Martin