Roebic(r) Granular Septic Tank Treatment (GSS-1) - 4 Pack

1 lb. Prevents clogging and build up in septic systems Treats up to 1500 gallons Treat every 60 days Advanced concentrated formula A select brand of active bacteria that rejuvenates system rapidly Non-volatile, non-corrosive and non-flammable Safe and easy to use Harmless to the environment