Roebic SMP-1000-PAK-1 System Maintenance Kit. Now Roebic has the system maintenance kit which provides the needed bacteria to keep all of your bothersome plumbing areas running and trouble free. The kit contains 4 quarts of roebics exclusive concentrated bacterial products, twice as concentrated as the regular strength. Step 1 is the septic tank treatment. Step 2 is the leach and drain field treatment. Step 3 is the soap, grease and paper digester. Step 4 is the main line cleaner.