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Natural Chemistry Stain Free Extra Strength 1.75lbs
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Extra Strength Stainfree is an all natural stain remover that contains industrial strength ascorbic acid. It quickly removes metal staining on all surfaces without adding phosphates to your water. Use with Natural Chemistry's METALfree and you have the ultimate 1-2 combination for stain fighting. 

  • All natural stain eliminator
  • Tough on old set-in stains
  • Compatible with all sanitizing systems
  • Non-toxic and environmentally friendly
  • Phosphate free

Tips & Info

  • Before beginning stain removal treatment be sure to test water for phosphates, and treat if necessary. 
  • For staining around jets and fixtures, you can add Stainfree Extra Strength to a nylon sock and rub those areas during the treatment
  • Ensure that sanitizer levels are no higher than 1ppm before beginning the stain removal process. Automatic Chlorinators should be turned off and pucks removed from the skimmers. Be sure not to shock your pool for at least one week after applying Extra Strength Stainfree. 
  • A non polymer filter aid MUST be used with cartridge and sand filters
  • To prevent future staining add a weekly maintenance dose of METALfree at a rate of 4oz per 10,000 gallons


Add 1/2 bottle per 10,000 gallons around perimeter of the pool

1.75 lb container

Compatible with all sanitizing systems

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Natural Chemistry Stain Free Extra Strength 1.75lbs

Code: natural-chemistry-07395
Usually Ships In 1-2 Business Days
Natural Chemistry Stain Free Extra Strength 1.75lbs
$ 32.99 New Available online