Clean & Simple is an ultrasonic/ enzymatic solution dispensed in a unique tablet form. Drop 2 tablets into your ultrasonic tank already filled with tap water and the tablets will dissolve in about a minute. This is a non-ionic solution which is non-corrosive, non-toxic, biodegradable and non-caustic. Available in boxes of 64 tablets, Item No.CS0064 and 144 tablets, Item No. CS0144.