It is better to treat algae growth in a swimming pool as soon as possible. Any delays can make it difficult to remove algae from the pool. This article discusses everything you need to know about removing algae from swimming pools.
How to Get Rid of the Algae from the Pool’s Bottom without a Vacuum?
1. Clear the Pool Filter
Make sure you regularly clean your pool’s water filter when you notice algae growth. Algae particles often clog the water filter and make it useless.
It is also a preventive measure to stop algae growth in your pool.

2. Clear the Pool Pump
Algae grow rapidly in stagnant and dirty water. One way to stop its growth without using a vacuum cleaner is to run your pool pump regularly. You can use a skimmer or a pump strainer to clean the pool pump.
How to Remove Algae from Pool’s Bottom with Algaecide?
Algaecides kill algae and bacteria in swimming pools but don’t prevent future growth. Here’s how you can use algaecides to kill algae in your swimming pool.
- Turn on the pump let it run for a few minutes and add 16 ounce of algaecide for every 10,000 gallons of water in the pool.
- Run the pump filter after adding algaecide and wait for at least 12-24 hours so algaecide kills all the algae.
- Remove dead algae from the pool and vacuum in the end.

How to Remove Algae from Pool’s Bottom with Shock Products?
Calcium hypochlorite is commonly used to kill algae in swimming pools. Dont forget to wear safety gloves and face mask while working with calcium hypochlorite.
- Add 5 gallons of clean water in a clean bucket.
- Use 1 pound of calcium hypochlorite in 5 gallons to prepare the cleaner. Stir well to make a uniform solution.
- Follow the instructions on the packing to add the required amount of shock product according to the volume of water in the pool.

- Apply the mixture directly to the algae-affected areas.
- Let the shock sit for 12-24 hours and then run the pool filter for 6-8 hours.
- You can remove the dead algae using a vacuum cleaner.
How to Remove Dead Algae from Pool?
Dead algae accumulate at the pool’s bottom. You can use a garden hose and a telescopic pole to remove dead algae from the swimming pool.
Attach one end of the telescopic pole to a garden hose and one end to a vacuuming port. The tube works as a siphon and reaches the bottom of the pool to remove dead algae and debris from the pool. You can also outsource the work to a pool cleaning service.https://web.archive.org/web/20240229090519if_/https://www.youtube.com/embed/bqFQOzNMtB8
Signs of Algae Growth in Pool’s Bottoms
- Discoloration of pool water; water turns murky and dull.
- Bluish and greenish colors on the stairs and walls of the pool.

How to Prevent Algae in Pool?
Water Balance: Create a good water balance in your pool. Your pool water chemistry will be pH 7.2, Alk 100 ppm, Cal 200 ppm, and Cya 30-50 to prevent algae buildup.
Water Circulation: Maintain good water circulation. Eyeball fittings, brushing, and pool cleaners will help.
Water Sanitation: Add chlorine to the pool as instructed by your pool contractor.
Water Filtration: Turn water filtration twice a day. The total run time should be 18 hours a day. Filtration will not allow algae to grow in the pool.
Pool Algaecides: Use algaecides to kill and prevent algae growth.
How do you remove green algae from the bottom of the pool?
First, use a pool brush to scrub algae growth from the surface, walls, steps, and bottom of the pool. Then take green algaecide and add it into the pool by following the directions mentioned on the label. Let it sit for 24 hours. Now brush the pool’s surface again. In the end, use a vacuum to remove dead algae from the pool.
Can adding chlorine to the pool turn its water green?
Chlorine is added to the pool to kill algae. The optimum and recommended amount of chlorine should be added to the pool. Adding an overdose of chlorine will cause metals in the pool to oxidize, and the pool will turn green in color due to oxidization.
What are the common algae types that can grow in a pool?
Algae that grow in pools are primarily green, yellowish-green, dark green, and bluish-green. You can kill them with a multipurpose algaecide or use a specific algaecide.