Initial Treatment
Place .25 gallons of Bacto-Zyme into 750-gallon septic tank. In the case that the septic tank cannot be reached place the Bacto-Zyme into the nearest drain or toilet.
Maintenance Treatment
Place 2 ounces of Bacto-Zyme into drain system every 1-2 weeks. For best performance, use different drains every application to prevent build up on drains.