How should Spec Clean™ Evacuation System Cleaner be used?

Dilute one ounce of Spec Clean™ Evacuation System Cleaner per quart of water or add four ounces of to one gallon of water. Aspirate one to two cups of diluted solution into each suction line, rinse cup or cuspidor. Then keep suction on to allow a few seconds of air into each line. Aspirate a final rinse of one to two cups water per line.