two. Use a fair spray: When applying k2 spray, hold the bottle in a very constant length from the paper and spray evenly above the floor. Stop using an abnormal volume in one location, as this could possibly cause the k2 liquid for being overpowering. Use K2 paper responsibly https://docs.google.com/spreadsheets/d/1QjXAuuuqzPnkoee_JikCwCz-AI3pd-kan1cYKVTaWWw/edit?gid=0#gid=0