ive got a render clean to do got the go ahead today now the job has slate window leges and lead flashing on the front so i was guna use algo clear pro as if im rite in thinking slate will turn white using benzblackwash due to the sh ? also do i still have to wet the lead before i start brushing it in? as i dont want it turning brown!!, ive got all my ppe sorted resperator cem gloves full water proofs with hood ! jobs booked in for 6 weeks time when im in the area next looking forwould to geting stuck in happy days