Hercules Chemical Co. introduced two new Cloroben flow-improving products: PT-BIO1T and PT-4T PT-BIO1 is a concentrated liquid blend of grease and waste digesting bacterial additives for septic tanks and cesspools. PT-4 is a nonacidic, noncaustic flow improver that safely liquefies and disperses grease, soap scup, food residue, and other waste build-ups in all types of plastic or metal plumbing.

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