Natural Chemistry 2 07400 Swimming Pool Spa STAINfree Remover - 1.75 lbs Each

In stock
Order today and receive your order by - (3-6 days from the 2024-02-26).


Brand: Natural Chemistry


  • 2 New Natural Chemistry STAINfree
  • 1.75 lbs Each
  • 1.75 lbs 100% citric acid All natural way to eliminate metal stains (Each)
  • Effective on all pool surfaces
  • Compatible with all sanitizing systems

Binding: Lawn & Patio

Details: STAINfree is an all natural citric acid product that removes metal staining on pool liners and finishes. STAINfree is ideal for treating staining on all pool surfaces and is compatible with all sanitizing systems. Use Natural Chemistry's METALfree and you have the ultimate 1-2 combination for stain fighting! Note: Operating the pool for a couple of days without chlorine can create an algae concern. Follow your pool dealer’s recommendations on steps you can take to protect your pool from algae during this metal stain removal process. Balance pool water chemistry before using STAINfree: pH:7.2-7.6, Alkalinity: 80-120ppm, Calcium Hardness: 200-400ppm, Phosphates: below 100ppb Note: Stain removal products work best when the pH is on the lower side of acceptable range (7.2) Important: Before starting the metal stain removal or water discoloration process (step 4), a pulp based filter aid must be added to cartridge and sand filters. DE filters must be properly charged. Lower chlorine level to 1ppm or less (A high chlorine level or adding oxidizing agents during the process will prevent STAINfree Extra Strength from working as designed.) Surface Staining: If the surface is stained, add 1lb of STAINfree Extra Strength per 10,000 gallons as close to the stained area(s) as possible with the pump off. Keep the pump off overnight. Water Discoloration: If the entire body of water is discolored, put the pool on recirculate, add 1lb per 10,000 gallons of STAINfree Extra Strength around the perimeter of the pool and let the circulation run for one hour. After one hour, shut the pump off and let sit overnight. Before turning the pump back on, brush the pool walls and floor thoroughly. Turn the pump back on and add METALfree around the perimeter of the pool at a rate of 33.9oz per 20,000 gallons. With the pump still on, vacuum the pool surfaces very thoroughly. After vacuuming, clean filters: Sand filter- backwash for at least 3 minutes and then rinse for 2 minutes Cartridg


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