Product Review
RUSTGuard 's unique formula prevents the formation of rust and hard water buildup in your toilet and reservoir. This time-released tablet fights rust and hard water for 3 - 6 weeks depending on frequency of flushing, water temperature and pressure.
- Only RUSTGuard prevents rust and hard water stains
- In tank toilet bowl cleaner
- Does not contain bleach, acids, caustics, chlorine bleach, phosphates or dyes
- Pet owners; Although RUSTGuard will not harm pets, it is not recommended that pets be allowed to dring water from the toilet on a regular basis
- Won't harm plumbing or septic systems like chlorine bleach tablets
