Bloc-Aid is a ready-to-use, non-acid, liquid drain and sewer cleaner plus maintainer. A small amount of Bloc-Aid used regularly in free-flowing drains will help prevent common sludge build-ups that cause drains to become slow and eventually cause clogs. It is safe to use in garbage disposals, septic tanks and cesspools without harm to plumbing.

• Effective drain and sewer cleaner plus maintainer
• Ready to use formula requires no mixing, simply pour into the drain
• Regular use will help prevent common sludge build-ups caused by grease, fats, soap scum, tooth paste, etc.
• Before using, read product label and SDS sheet