Skip to product information
1 of 1

GLB Stain Magnet | 71020A

GLB Stain Magnet | 71020A

Regular price $25.88 USD
Regular price Sale price $25.88 USD
Sale Sold out
Shipping calculated at checkout.
GLB Stain Magnet is a stain remover for use in all types of pools including gunite, plaster, concrete, vinyl, and fiberglass. This easy to apply granular product allows you to remove metallic stains without the inconvenience of draining pool water. It can be applied directly on stubborn stains with no pre-testing necessary. Stain Magnet is compatible with chlorine, bromine, ozone, biguanide, and salt water sanitizing systems.


1.Brush affected areas

2.Adjust pool pH between 6.8 and 7.2 and allow chlorine or bromine level to drop to less than 2 ppm.

3.Dissolve 2 1/2 pounds of Stain Magnet into a pail of water to treat up to 20,000 gallons of water.

4.Concentrate the solution along the pool walls and especially in the areas where stains are most prevalent.

5.Allow the circulation system to run continuously for 24 hours.

6.After 24 hours, adjust the pH levels to the normal 7.4 to 7.6 and total alkalinity to 80 to 120 ppm ranges. Maintain normal sanitizer levels.

7.Do not apply shock treatments for at least 72 hours.


2 1/2 lb per 20,000 gallons of water

View full details
pool floats in a pool, one is a flamingo

The Ultimate Guide to Pool Maintenance: Tips and Tricks

Keep your pool clean and clear with these 5 key maintenance tips: circulation, filtration, cleaning, testing, and chemistry.
Read more
  • Free Shipping

    Pool Goods offers free shipping for all orders above $50.

  • Return Policy

    Pool Goods has a return policy that allows for the return of unopened and undamaged items.