RustAway Stain Remover
RustAway Stain Remover
Granular stain remover that lifts stubborn iron, cobalt, and rust stains from pool surfaces. Formulated with high-potency chelating compounds that solubilize settled metal deposits without damaging plaster, fiberglass, or vinyl liners.
Package Contents & Inclusions
- 1 × 2.5 lb Sealed Container of Granular RustAway Formula
- 1 × Calibrated 2-Ounce Chemical Measuring Scoop
- 1 × Step-by-Step Spot & Whole-Pool Application Guide
Product Composition & Performance Data
Engineered for targeted spot-treatment or complete water chelation without clouding.
| Parameter | Specification Value |
|---|---|
| Active Formulation | Granular Ascorbic & Organic Acid Chelator Blend |
| Primary Target Metals | Ferrous Iron, Cobalt, Manganese, and Copper Oxide Stains |
| Surface Compatibility | White/Colored Plaster, Gunite, Exposed Aggregate, Vinyl Liners, Fiberglass |
| Standard Dosage Rate | 2 lbs per 10,000 gallons for general staining; 2 oz per spot application |
| Pool Water Chemistry Prerequisite | Recommended Chlorine < 1.0 ppm, pH balanced between 7.0 and 7.2 |
| Solubility & Filter Safe | 100% Rapid Dissolve; Safe for Sand, Cartridge, and DE Filter Systems |
Fast-Acting Mineral Elimination for Spot Stains & Basin Discoloration
RustAway Stain Remover delivers a concentrated blend of crystalline chelating agents directly to stubborn oxidation spots on pool floors and walls. When metal components, well water fill-ins, or dropped metallic objects leach iron particles onto plaster or vinyl liners, ordinary chlorine shocks fail to lift the discoloration. This specialized formula chemically reduces oxidized metal ions back into clear solution, loosening discoloration within hours.
The formula dissolves quickly at water temperatures above 60°F (15°C) and will not etch gunite or cause fading on patterned vinyl surfaces. It leaves no oily residue, does not alter total water hardness, and functions seamlessly alongside conventional filtration without clogging pleats or filter grids.
Step-by-Step Application Protocol
- Test and adjust pool water chemistry: lower free chlorine below 1.0 ppm and balance pH to 7.0–7.2 before introducing RustAway.
- For isolated spots, fill a porous cloth sock with 2–4 ounces of granules and hold it directly against the stain with a pool pole for 2 to 5 minutes.
- For widespread discoloration, broadcast 2.5 lbs per 10,000 gallons evenly across the perimeter while keeping the main filtration pump running continuously for 24 hours.
- Add a standard metal sequestering agent after treatment to prevent mobilized iron particles from precipitating back onto surfaces when re-chlorinating.
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Everything You Need to Know About RustAway
Clarifications on chemistry, dosage, and surface handling.
No. RustAway uses a non-bleaching organic acid compound that gently reduces metal oxides without stripping the pigments or protective coatings off vinyl liners or gelcoat fiberglass finishes.
High free chlorine oxidizes the active chelating agents before they can interact with the surface stains, rendering the treatment ineffective and burning off your chlorine supply prematurely.
Swimmers can safely re-enter the water once the chemical has thoroughly circulated for at least 2 hours and total water balance (pH 7.2–7.6, free chlorine 1.0–3.0 ppm) has been re-established.
Frequently Purchased Together
StainErase Pumice Stone
BalancePlus pH Increaser
ShineBright Tile Cleaner
AquaTest 5-Way Test Kit
Unsure About the Origin of Your Pool Stains?
Send our water care specialists a description of your water source and stain coloration for expert chemical matching.