How Do I Remove Rust Stains From My Pool?
- Algaefree Australia Team
- Aug 2
- 2 min read

Rust stains in your swimming pool are unsightly and can be stubborn to remove. They may also indicate underlying issues with your pool equipment or water chemistry.
Algaefree Australia specialises in products that help pool owners tackle rust problems with effective solutions that restore pool surfaces to their original condition.
Also read: How to Identify and Remove Pool Stains?
Why Do Rust Stains Appear in Pools?
Rust stains typically appear as reddish-brown discolouration on pool surfaces and can stem from several sources:
Metal objects accidentally dropped into the pool (hairpins, toys, tools)
Corroding metal pool components (ladders, handrails, light fittings)
Iron content in source water, particularly from bore water
Metal equipment in contact with pool chemicals
Deteriorating internal pool equipment, like heaters or pumps
Identifying Rust Stains
Before treatment, confirm you're dealing with rust rather than algae or other stains. Rust stains:
Appear as reddish-brown or orange marks
Don't brush off easily
Often form in specific patterns related to metal contact
May reappear in the same location if the source isn't addressed
Effective Rust Stain Removal
Step 1: Test and Balance Your Water
Start by testing your pool water chemistry. Imbalanced pH levels can contribute to metal oxidation and make stain removal more difficult. Aim for:
pH between 7.2 and 7.6
Total alkalinity between 80-120 ppm
Calcium hardness between 200-275 ppm
Step 2: Apply a Specialised Rust Remover
Our Stain Removal products are specifically formulated to dissolve rust stains without damaging pool surfaces. For best results:
1. Apply directly to the stained area
2. Allow the product to work for the recommended time (usually 10-15 minutes)
3. Gently scrub with a non-abrasive brush
4. Rinse thoroughly
For stubborn stains, a second application may be necessary.
Step 3: Prevent Future Staining
Once you've removed the stains, take preventative measures:
Add a metal sequestrant to your regular pool maintenance routine
Remove metal objects from the pool promptly
Inspect and maintain metal pool components regularly
Consider using a pre-filter when filling your pool with bore water
Install sacrificial anodes if metal staining is a recurring issue
Regular pool maintenance and prompt attention to rust stains will protect your pool surfaces and equipment from long-term damage. With the right products and techniques, most rust stains can be effectively eliminated. Visit the Algaefree Australia website to find the right product for your pool.
Comments