The only product that really works! I was told my septic system was a total failure and needed a new expensive system. I tried other products that claimed they could help. I'd try them for a month, sometimes two, checking for any difference in my tank and failed field. Flush-it is the only product that showed an improvement. I've been using it monthly for 1 yr and the septic appears normal. If you have an issue, contact the owner and he'll help you. Very friendly and knowledgeable.