Z3® General Purpose Tablets, once dissolved, are the most convenient and safe way to clean instruments in the Ultrasonic Machine. This patented technology gives you a highly concentrated Z3 General Purpose Cleaner that is safe and effortless to use. There is no mixing or measuring—just add 1 tablet to 1 gallon (3.8L) of water and your solution is made for the day. Effervescent Utrasonic Cleaner, one tablet makes one gallon.