Clean and Activate Polymeric Sand

top and then compact it again. You have to remove 100% of all sand from the PA patio before you wet it and activate it or it will remain there for all time. A blower is a great tool to remove this as a possibility. You lightly dust off the patio and you're good to go. The guys are now eating lunch on a patio that wasn't there 3 hours ago. And what we're doing right now is activating the poly sand. A light watering is all you need to activate the polymer sand. In fact, if you douse it, that extra water is going to weaken the longevity of that compound. All right, so we just got done