- Effective slow-dissolving crystals of copper sulfate.
- Large "root grade" crystals are blended with an active wetting agent enable R-D crystals to adhere to the root mass longer, dissolve slower and effectively kill and eliminate root blockages.
- Helps eliminate overflow damage, sewage flow restriction and back-up odors due to root penetration.
- Safe to use in lines leading to septic tanks, cesspools and dry wells when used as instructed.
- Will not destroy trees, shrubs or other vegetation.
- NSF registered and USDA authorized.
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