Have 22,000 gal vinyl pool. Use well water. In past Stain Away cleared up discoloration on pool steps and liner. Used two bottles( one bottle for 20,000 gals) and tan colored stains remain. Pool pH was correct before application. What else should I do?
Carolyn King
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- Last Post 20 May 2017
Carolyn41635
posted this
20 May 2017
- Last edited 20 May 2017
InyoRob
posted this
20 May 2017
Hello Carolyn - We'd be glad to assist you. We recommend a product called Extra Strength Stain Free by Natural Chemistry.
Features:
- All natural stain eliminator
- Tough on old set-in stains
- Compatible with all sanitizing systems
- Non-toxic and environmentally friendly
- Phosphate free
Dosage:1lb per 10,000 gallons (38,000L)How to Apply:
- Balance pool water
- Lower chlorine level to at least 1ppm
- Add 1lb of Extra Strength StainFree per 10,000 gallons around the perimeter of the pool with the pump running
- Brush pool thoroughly. After brushing, if stains are not completely removed add more StrainFree Extra Strength
- Add a pulp based filter aid to your cartridge or sand filter. If you have a DE filter, make sure it is properly charged
- Add METALfree at a rate of 33.9oz (1L) per 20,000 gallons (75,000L)
- Vacuum pool slowly and thoroughly
- After 24 hours clean filter - Sand filters: backwash for at least 3 minutes and then rinse for 2 minutes - Cartridge filters: clean filter and filter tank thoroughly - DE filters: backwash and recharge with DE
- Use METALfree as a weekly maintenance product to guarantee a stain free pool
