Having Said that, keep in mind that coarse grits can destruction softer stones so if in doubt often start small right before relocating on to progressively larger sized numbers on the grit scale. ติดตั้งง่าย ใช้งานได้กับทุกพื้นที่ ทั้งภายในภายนอก Progress as ahead of using the very same proportions of grit and drinking water Successfully Submitted (Awaiting Approval)