Whink Rust Guard Toilet Bowl Cleaner
This unique formula prevents the formation of rust and hard water build-up in the toilet bowl and reservoir. The concentrated time-release tablet lasts up to a full month. Contains no acids, caustics, chlorine bleach, phosphates, or dyes. Safe for plumbing and septic systems.
FEATURES
- Removes both hard water and rust stains from toilets.
- Outperforms all major bowl cleaners. Package contains 6 tablets.
- Safe for plumbing and septic systems.
- Safe for use in white and colored toilets.
- Won't harm pets.