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Natural Chemistry StainFree 1.75 lb

Availability: In Stock

Regular Price: $37.99

Sale Price $26.99

You Save: $11.00  (28%)

Quick Overview

Natural Chemistry StainFree is an all natural way to eliminate staining to pool liners and finishes. Stainfree is idea for treating staining on all pool surfaces. Stainfree is a citric acid product. Use Natural Chemistry's METALfree and you have the ultimate 1-2 combination from stain fighting!



  • Less expensive alternative to ascorbic acid
  • Fights stains on all pool surfaces
  • Effective on vinyl and fiberglass surfaces
  • Compatible with all sanitizers and pool surfaces
  • Phosphate-free formula
  • 100% citric acid
  • All natural way to eliminate staining
Additional Information
Delivery Time 2-5 Business Days
Manufacturer Natural Chemistry
Technical Specs

Direction for use:


A non-polymer filter aid MUST be used in sand filters with this product
  1. Add 1lb of Stainfree 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, brush stained areas.
  2. One hour later, add METALfree to pool water at the rate of 32oz (1L) per 20,000 gallons (75,000L)
  3. 24 hours later, pool must be thoroughly vacuumed and the filter cleaned
  4. Test water and balance water if necessary
Important: DO NOT shock pool for one week. If chlorine level is low, add small amounts of chlorine. Do not exceed 2ppm.
SKU NAT-50-7410 / NC07400EACH
Manufacturer Part # 07400