How To Remove Pool Algae Using Only Filtration And Brushing: A Step-by-step Guide

By Author: All Pool Filters 4 Less
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You’re probably here because you want to know how to remove algae from a pool using only filtration and brushing, and if that’s even possible. The short answer is yes. Even if the algae looks really bad, you can clear it by focusing on good water circulation, proper filtration, and consistent sanitizing to slow down algae growth.
Algae grows fast when the weather is warm and sunny. It uses carbon dioxide and sunlight to grow, and your pool water already contains dust, debris, and other contaminants that act as food. Algae can even feed on dead algae left in the pool, which is why proper cleaning and filtration are so important.
Here’s a guide for you to follow on how to remove algae from a pool using only filtration and brushing.
Step 1: Brush off the algae
Start by brushing your entire pool so you can loosen the algae from the walls and floors. This will help your filter remove the remnants from the water.
If you’re dealing with slimy green or pink algae, a standard nylon brush works well.
For tougher yellow or black algae, you’ll need a stiff ...
... steel-bristle brush to break through the protective outer layer.
Brush every surface carefully, including the steps and tight corners where algae tends to grow.
Step 2: Shock the pool
Shocking your pool is the main way to kill algae. But before you do that, test and adjust the pH, because chlorine is less effective if the levels are off. It’s also best to shock your pool in the evening since sunlight reduces chlorine levels quickly.
For green algae, you may need around two to three pounds of shock per 10,000 gallons of water. Meanwhile, you’ll likely need to double or triple the dose when you’re dealing with yellow or black algae. Dissolve the shock in a bucket of water first, then pour it around the edge of the pool.
If the algae problem is severe, you may need to shock the pool for several nights in a row until the water begins to clear. This also lets you keep the chlorine level high enough to finish killing the algae.
Step 3: Clean up the remains with filtration
When the shock kills the algae, your filter will remove the dead algae from the water. Run your pool pump continuously for 24 hours a day, until the water becomes clear.
Dead algae can clog your filter quickly, so you’ll need to clean it often during this process. Backwash sand or DE filters and rinse cartridge filters multiple times until the cloudy water is gone.
Take control of algae
Now that you know how to remove pool algae using filtration and brushing, the next step is making sure your pump and filter can handle regular cleaning. You’ll also need the right supplies to keep algae from coming back.
At All Pool Filters 4 Less, you can find a vast selection of high-quality pool pumps and filters and other essentials to help keep your water clean. Shop today so they can ship your order on the same day or the next day. For questions, text 954-558-0584.

All Pool Filters 4 Less is an online retailer providing affordable, high-quality pool filtration products and replacement cartridges for residential pool owners. Focused on value, performance, and customer support, the company helps do-it-yourself pool owners maintain clean, healthy water without premium-priced OEM parts.