Stain Free: swimming-pool water-care product information

An ascorbic-acid pool treatment designed to remove metal staining from compatible liners and pool finishes when used according to the current directions.

Safety 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.

Do not swim until stain procedure is complete and normal chlorine residual is established.

Stain Free features and benefits

• Primary function: Safely Removes Metal Stains From Pools.
• Product benefit: Stainfree is ascorbic acid product that removes metal staining on pool liners and finishes.
• Compatibility: Stainfree is ideal for treating staining on all pool surfaces and is compatible with all sanitizing systems.
• Application detail: Use Natural Chemistry’s Metalfree™ and you have the ultimate 1-2 combination for stain fighting.
• Water balance: Balance pool water chemistry before using Stainfree : pH:7.2-7.6, Alkalinity: 80-120ppm, Calcium Hardness: 200-400ppm, CYA below 50ppm, 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 stai.
• Water clarity and filtration: DE filters must be properly charged.
• Sanitizing action: Lower chlorine level to 1ppm or less (A high chlorine level or adding oxidizing agents during the process will prevent Stainfree from working as designed.) Surface Staining: If the surface is stained, add 1lb of Stainfree per 10,000 gallons as close to the stained area(s) as possible with the pump off overnight.
• Product benefit: Water Discoloration: If the entire body of water is discolored, put the pool on recirculate, add 1lb of Stainfree per 10,000 gallons to the pool water evenly around the edge.

Stain Free specifications

• Product type: swimming-pool water-care product

How to use, install, or care for Stain Free

1. For Stain Free, balance pool water chemistry before using Stainfree : pH:7.2-7.6, Alkalinity: 80-120ppm, Calcium Hardness: 200-400ppm, CYA below 50ppm, Phosphates: below 100ppb Note: Stain removal products work best when the pH is on the lower side of acceptable range (7.2).
2. For Stain Free, 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.
3. For Stain Free, lower chlorine level to 1ppm or less (A high chlorine level or adding oxidizing agents during the process will prevent Stainfree from working as designed.).
4. For Stain Free, surface Staining: If the surface is stained, add 1lb of Stainfree per 10,000 gallons as close to the stained area(s) as possible with the pump off overnight.
5. For Stain Free, water Discoloration: If the entire body of water is discolored, put the pool on recirculate, add 1lb of Stainfree per 10,000 gallons to the pool water evenly around the edge. Let the circulation run for one hour. After one hour, shut the pump off and let sit overnight.
6. For Stain Free, before turning the pump back on, brush the pool walls and floor thoroughly.
7. For Stain Free, turn the pump back on and add Metalfree ™ evenly to the pool around the edge at a rate of 33.9oz per 20,000 gallons.
8. For Stain Free, with the pump still on, vacuum the pool walls and floor thoroughly.