Whink® 20223 RUSTGuard® Time Released Toilet Bowl Cleaner, 4 Oz

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.

• Time released toilet bowl cleaner
• Prevents rust with every flush
• Protects toilet against rust and hard water stains
• Safe on all plumbing and septic systems
• Won't harm pets
• 2 tablets per pack.

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