Open cartridge and screw on mixing tip. Trim back mixing tip to enlarge output hole to approximately 8 min. Do not use fist 2-3 ml (first splash), as blend will not bo optimal. Fill hoof with Cloud 9. Remove mixing tip after use and close the cartridge with original closing plug and cap nut. Best processing temperature is 30-40°C. To speed up curing time, place cartridge in warm water for 15 min. or preheat with heat gun.