ขอมูลทั้งหมดนี้ขอขอบคุณ อาจารย์อวยชัย สุภาพจน์ Continue On to rinse off the rock periodically. It's important that the rock floor be damp when you find yourself sanding it. Wash the rocks with soap and drinking water. Fill a bucket with heat water and liquid soap (dish soap ought to be fantastic). Scrub the Successfully Submitted (Awaiting Approval)