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Rust Stain
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Stops Rust With Every Flush

This unique formula prevents the formation of rust and hard water build-up in your toilet bowl and reservoir!

RUSTGuard® contains no acids, caustics, chlorine bleach, phosphates or dyes and won't attack plumbing like chlorine bleach cleaners can!

  • Safe on all plumbing and septic systems
  • Won't harm pets


2 Tablet Card
6 Tablet Box
Price: $5.33
 Whink Stories
Just wanted y'all to know Rust Gaurd hard water and rust toilet bowl cleaner is the greatest thing ever. I moved into an apartment a few years ago and the tank was so dark. It looked terrible I started using your product and by the time I moved to a different apartment you could see the original color of the tank. I will not use anything else. I just wanted to say thank you for this wonderful products.
--Barbara J., Portage, MI