CkWindowCleaning
Member
- Messages
- 18
- Location
- Newry co. Down Ireland
I have a gable on a residential house to soft wash. The gable is done in heavy Pebble Dash. It has green/red and black algae on it. I was thinking 3% sodium hypo chloride. Sprayed on. Left for an hour and rinsed off. Any advise much appreciated