Roebic K-37-BAG Granular Septic Tank Treatment Concentrate, 12-Ounce
A concentrated granular easy to use K-37 contains patented ROETECH bacteria that keeps your septic system running smoothly.  Prevents the clogging of inlet and outlets that can lead to unpleasant odors and overflowing receptacles. K-37 works in both your septic tank and drain fields.  Economical and safe for all plumbing.