
Regal Metal Stain Treatment Kit 20k Gal
Product Overview
What pool techs reach for when stubborn iron, copper, or manganese metal stains take over pool surfaces without wanting to drain.
Formulated to treat pools up to 20,000 gallons, the Regal Metal Stain Treatment Kit reliably handles iron, copper, manganese, and cobalt staining without draining. Each kit contains a 1 quart No Phos Metal Magnet, a 1lb Stain Magnet, a 1lb Super Stain Magnet, and a physical Super Metal Eliminator pouch that absorbs up to 4ppm of dissolved metals directly out of circulation. Because it is completely phosphate-free, it lifts and physically removes metallic discoloration without triggering unwanted algae blooms.
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Benefits & What Makes It Different
Physical Metal Extraction
The included Super Metal Eliminator pouch traps up to 4ppm of dissolved metals directly in the basket so they don't redeposit.
Phosphate-Free Chemistry
Zero phosphate additives mean you can clear stubborn iron and copper stains without elevating nutrient levels that drive algae growth.
Targeted Stain Lifting
Includes both a 1lb Stain Magnet and a 1lb Super Stain Magnet to tackle copper, nickel, cobalt, and manganese surface deposits.
Product Details
Ascorbic/Organic Acid Stain Removers, Polycarboxylate Metal Sequestering Agent, Metal-Absorbing Polymer Pouch
1 complete kit treats pools up to 20,000 gallons
Compatibility
- Compatible with plaster, vinyl, fiberglass, and painted pool surfaces
- Do not shock or add high doses of chlorine during active stain lifting
- Safe for chlorine, bromine, and saltwater sanitation systems
When To Use This
Pro Tip
In hard water regions where calcium hardness sits near the high end of 200–400 ppm, brush the pool surface twice daily during treatment to assist the chelating agents in pulling scale-bound metals off the walls.
Common Questions & Instructions
How do I know which product in the Regal Metal Stain Treatment Kit to apply?
Test your water or use a stain indicator tab to identify stray metals, then determine best treatment product based on stain color: use Stain Magnet for green/blue copper stains and Super Stain Magnet for purple/brown iron and manganese deposits.
Does the Regal Metal Stain Treatment Kit require draining the pool?
No, this kit treats up to 20,000 gallons in place without draining. It lifts surface stains while the skimmer pouch physically absorbs up to 4ppm of dissolved metals out of the water column.
How do water parameters affect metal stain removal?
Before starting, adjust pH to 7.2–7.6 and total alkalinity to 80–120 ppm, and ensure free chlorine is kept at 1–3 ppm after the treatment phase to prevent metals from precipitating back onto the plaster or vinyl.
Delivered today to your DFW neighborhood
Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.



