Algae in swimming pools is a common problem for pool owners. It not only makes the water look cloudy and unattractive, but also makes the pool floor slippery and potentially dangerous for users. Proper prevention and removal of algae is essential to maintain clean, safe, and beautiful water quality.

In this article, we'll take you through the causes of algae, how to prevent it, and how to effectively eliminate it to keep your pool clean and ready for use.

Causes of algae growth in swimming pools

Algae is caused by a number of factors that promote the growth of algae and bacteria in water, with the main causes being:

1. Too much sunlight

Sunlight is a key factor in stimulating algae growth, especially in ponds without a roof or shade.

2. Chemical imbalance in water

If the chlorine level in the water is low or the pH is unbalanced, algae can easily grow.

3. Poor water circulation

Pools that lack effective filtration or insufficient water circulation create dead spots that are ideal for algae growth.

4. Accumulation of dirt and debris

Leaves, dust and dirt that fall into the pond can be a food source for algae, causing them to grow quickly.

How to prevent algae in swimming pools

1. Maintain proper chlorine levels

Chlorine is a disinfectant and prevents algae growth. The chlorine level in water should be maintained at 1-3 ppm and replenished regularly.

2. Adjust the pH of the water to balance

The ideal pH should be between 7.2 and 7.6. If it is higher or lower than this, the chlorine may not work as efficiently.

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3. Install a water filtration system and turn on the filter sufficiently.

The water filter system should be turned on for at least 8-12 hours per day to help remove dirt and reduce the buildup of bacteria.

4. Clean the pool regularly

You should use a brush to scrub the pool floor and walls regularly, especially in areas where water is blocked.

5. Use algae protection.

Regular application of an algaecide reduces the chances of algae growth.

6. Reduce direct sunlight reaching the water.

If possible, use shade cloths or plant trees around the pool to reduce sunlight that stimulates algae growth.

How to solve the algae problem

If algae is found, the following actions should be taken:

1. Scrub and remove algae immediately.

o Use a brush to thoroughly scrub the pool floor and walls to reduce algae adhesion.

2. Increase the amount of chlorine (Shock Chlorination)

o Adding large amounts of chlorine (5-10ppm), also known as “shock chlorination”, can quickly kill algae.

3. Use algae remover.

o Choose chemicals that specifically kill algae and follow the manufacturer's instructions.

4. Turn on the filter system and change some of the water.

o Keep the filter running 24 hours a day and change some of the water to help remove residue.

In conclusion

Algae in swimming pools is a problem that can be prevented and resolved with proper pool maintenance. From controlling pH levels, adding proper chlorine, and regular cleaning, using protective agents, and installing an effective filtration system will help keep your pool clean and inviting.