Pool Leak Tips

Sep 02, 2026

What Is the Best Way to Remove Black Algae From a Concrete Pool? A Practical Plan for Getting Rid of Stubborn Spots

Picture this for a moment: your concrete pool looks clean from across the yard, but a closer look reveals stubborn black or blue-black spots clinging to the walls, steps, or floor. You brush them, and they seem to fade, only...

Apr 22, 2026

How to Remove Black Algae That Standard Chlorine Won't Kill: What Actually Works When Spots Keep Coming Back

You might not know that the dark little dots clinging to your pool wall may not respond to chlorine the way ordinary algae does. Black algae is one of the most stubborn problems a pool owner can face because it...