2. Use a good spray: When applying k2 spray, keep the bottle within a regular length within the paper and spray evenly more than the ground. Prevent using an abnormal total in one area, as this may possibly result in the k2 liquid to become overpowering. Use K2 paper https://docs.google.com/spreadsheets/d/1QjXAuuuqzPnkoee_JikCwCz-AI3pd-kan1cYKVTaWWw/edit?gid=0#gid=0