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Calcium, Rust, & Lime Remover

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Quickly and easily removes even the toughest stains, deposits and build-up. Flitz's organic salt formula is safer and easier to use than traditional cleaners. Recommended for removal of hard water spots and rust stains too!

Not for use on: Marble, Some Granite, Jura, Travertine & Terrazzo.

Perfect For Use On:

  • Glass Plastic & Acrylics
  • Aluminum
  • Fiberglass & Tile
  • Stainless Steel
  • Brass & Copper
  • Painted Surfaces
  • Enamel finishes

Instantly Removes:

  • Hard Water Spots
  • Calcium/Lime Deposits
  • Heavy Green Tarnish
  • Heavy Oxidation Rust & Corrosion
  • Grease, Oil & Hard Water Stains
  • Soap Scum Build-up

How to Use:

  1. Spray full strength onto surface
  2. Wait up to 1 minute (DO NOT LET DRY)
  3. Rinse well with water

For severe encrustation, repeat and agitate with a brush. Seal and protect surface with Flitz Sealant.

Download the Safety Data Sheet (SDS)
SB258 Sheet
Download the Flitz Instant Calcium Lime & Rust Remover Information Sheet

6 Reviews Hide Reviews Show Reviews

  • Tried it on the hull

    Posted by Chip M. (verified buyer) on 8th Oct 2019

    Tried it on the hull of my boat after it was in the lake all summer. Worked well and not as caustic as other stuff I’ve used in the past!

  • Calcium, Rust & Lime Remover

    Posted by K (verified buyer) on 30th Jul 2018

    This stuff is amazing and not like any of my other lime cleaners. This was recommended to me several years ago by my plumber. A little goes a long way, I'm only ordering my 2nd bottle now. I initially used on old problem areas, now I use weekly on two (modern, open style) faucets and in other areas sporadically to maintain. If the buildup has been there a long time you may find that this (miraculously & instantly!!) removes it but that the finish underneath is damaged. I had some brass trim around a shower, it instantly dissolved hard white thick crust but underneath finish is now black from years covered in lime. Regulag maintenance to manage early rather than heavy duty old stains will avoid this. But that said, I still much prefer the discolored finish to the crusty lime! This is a great product the professional's use, a bottle should last you a long time.

  • Works as Advertised

    Posted by HT (verified buyer) on 11th Feb 2018

    Used the product on the steel fittings of my boat. It worked quickly, but required more than one application. The need to wash it off immediately was only slightly inconvenient. Completely satisfied with the results.

  • calcium rust lime remover

    Posted by Unknown on 18th Jul 2016

    Couldn't believe how fast this product acted. So easy to use. Highly recommend it.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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