Pav Klean Xtreme Black Spot Lichen Remover Paving Cleaner 20 Litres Fast Acting Less Than 1 Hour

Just used this product on our patio and what a result! Looks like new.

This was excellent. We sprayed it on and it started working immediately. We were careful where the patio touched the lawn and plants but only had a couple of small casualties.Used carefully round fish pond and again no problems. Really improved our indian sand stone patios