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    Natural Chemistry Stainfree Pool Surface Stain Remover

    Natural Chemistry Stainfree Pool Surface Stain Remover is rated 4.709677419354839 out of 5 by 93.
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    Item # Y5980

      Eradicate Stains From Pool Finishes Naturally and Effectively

      Attack stains on your pool’s finish without the use of harsh chemicals. Take a safe, natural and dynamic approach to stain removal with Stainfree from Natural Chemistry. Treat stains on vinyl pool liners and fiberglass surfaces, using this safe chemical alternative.

      This citrus based, environmentally friendly cleaner will remove a variety of metal stains, and when used with Natural Chemistry's Metalfree delivers the ultimate one-two punch to go head-to-head with stains. This ascorbic acid cleaner is similar to infusing your pool’s surface with the power of Vitamin C, and unlike many other types of stain removers, Stainfree doesn’t leave behind residual phosphates, making it the premier stain fighter. To use Stainfree, ensure your chemical levels are properly balanced, and then add one pound per 10,000 gallons of water. With your filtration system on, sprinkle the product evenly along the surface of your pool. Wait an hour, add Metalfree to your pool’s surface and test water 24 hours later. Balance water chemistry if needed.

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      • Product Description
      • Customer Review
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      • Natural Chemistry Stainfree is a natural, citrus-based product to banish even the toughest of stains from pool finishes
      • Provides a safe alternative to harsh chemicals often used to treat surface stains
      • Won’t leave behind residual phosphates in your pool water
      • Can be used on vinyl liners and fiberglass surfaces
      • Compatible with all sanitizing systems
      • Works well on all surfaces, including steps
      • Created from 100% citric acid

      Rated 5 out of 5 by from 5 Year Old Liner Looks Brand New! Each summer start up, we have brown and yellow staining on the hard plastic surfaces such as the skimmer and steps and the liner has a dull brownish tint. We used Ascorb-X one year (which was a super product) but isn't as "environmentally safe" as Stain Free and is no longer sold. You must be sure the chlorine is low to apply this product or it will not work. If your water balance is good and chlorine low...the results are amazing. Don't be dissapointed if you don't see a change right away. Ours was significantly stained and after about 12-18 hours looked BRAND NEW! We added clarifier at the end of 24 hours and the pool is beautiful!!!!!
      Date published: 2011-05-23
      Rated 5 out of 5 by from after two years something worked After two years of searching and four pool companies selling various stain removal products I stumbled onto this product through this web site. I took a vitamin "C" pill and tested it on the stains and it did work. So I purchased it and took a gamble. $30.00 isn't cheap. To my surprise it worked virtually over night to get rid of my yellow-brown stains and it looks like a new liner now. Just follow the instructions closely and I did do as one person suggested and shut off my pump over night to let it settle. I think that may actually help more then circulating it all night. Anyway, great product and I still have half the container for next time....Mike
      Date published: 2007-08-31
      Rated 5 out of 5 by from Magic stain removal Last year my in-ground vinyl liner had large areas of dark underwater stains. After a summer of coddling, about half of the stained area cleared up. This Spring, the stains were back, covering most of the liner (below the water line). They were so imbedded that I figured I'd have to live with them until I replaced the liner. I decided to try Stain Free, I followed the instructions. At first, nothing seemed to be happening. By the next day, the liner was about 75% clear. I left the chlorinator off and after three days the stains were virtually gone. Brushing was never effective during this time. The stains got dissolved, not softened. This product is fantastic.
      Date published: 2009-07-06
      Rated 5 out of 5 by from Best purchase Ever My drains and my jets and steps started to turn yellow. My local pool company told me to take a vitamin c tablet, and run it over the stain. If it removes it, use a product to remove it. So I bought your stain free and metal out, and used as directed. So here is how you use it to get results fast! Take a water sample to your pool store. Get the chlorine level to 1 and the PH and the alk in check. Then you are ready to use the Stain -Free. I am telling you that after I waited the hour, and with pump running the whole time and put in the metal free, all yellowing disappeared!! Then we backwashed after 24 hours. So I hope the stain stays away for the rest of the summer.
      Date published: 2009-07-18
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      What does Stain Free do?
      - This product is an ascorbic acid based, all-natural way to eliminate staining to pool finishes. It is ideal for treating stains on vinyl pool liners and fiberglass pool surfaces.
      Will Stain Free affect phosphates in my pool water?
      - No, Stain Free does not create any residual phosphates in your pool water.
      Can I use Stain Free with other natural chemicals?
      - Yes, Stain Free can be used in conjunction with Metal Free. In doing this, you will have the ultimate 1-2 combination for stain fighting and prevention.
      What is the dosage?
      - 1 lb. per 10,000 gallons
      - Add 1 lb. (1LB/0.5kg) of Stain Free per 10,000 gallons (38,000L) of water. With the filtration system on, walk around the pool and sprinkle the product evenly on the surface.
      - One hour later, add Metal Free on the surface.
      - 24 hours later, test pool water and balance water chemistry if necessary.
      Do I have to balance my pool water before using Stain Free?
      - Yes, it is very important your chemical levels must be properly balanced before using Stain Free. 
      Instructions For Use
      Proper Water Balance
      Chlorine: 1.0 - 2.0 ppm
      pH Level: 7.4 - 7.6
      Total Alkalinity: 100 - 120 ppm
      Water Hardness: 200 - 300 ppm


      1. Add 1 lb. of Stain FreeTM per 10,000 gallons of pool water. With the filtration system running, walk around the pool and sprinkle evenly on the surface.

      2. Wait one hour and add Metal Free at the rate of 1 liter per 20,000 gallons of water.

      3. Circulate for 24 hours, test the pool water and balance if necessary.
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