Whink® Septic Treatment Packets. 3 month supply. One packet/month. Dissolvable septic system activator packets. Three no-mess packets. Contains septic-cleaning bacteria and enzymes. Digests organic solids, fats and oils. Safe for all pipes and septic systems. Earth friendly biodegradable. Made in the U.S.A. 3 Packets. 100% natural ingredients. Contains septic-cleaning bacteria and enzymes that digest organic solids, fats and oils. Safe for all pipes and septic systems. Helps prevent expensive septic system backups*. Use just one packet per month for up to a 1500 gallon tank! *Along with occasional pumping. Comments, questions: call weekdays 9-4 CST. Toll-free 1-800-247-5102. www.whink.com. ©2013 Whink Products Company.