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Bloc-Aid SafeDrain Cleaner 946ml [C45]
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.