Drain Cleaner: Outdoor

These are heavy-duty liquids meant to dissolve grease or hair. Use these sparingly outdoors, as they can damage PVC pipes if left too long and are toxic to local groundwater and plants.

Great for breaking through solid plugs of leaves or small roots. outdoor drain cleaner

The best outdoor drain cleaner is the one you never have to use. These are heavy-duty liquids meant to dissolve grease