What Causes Algae in Pools and How to Get Rid of It

The Science Behind Algae Pool Issues Along with Methods to Eliminate It
Introduction

A person’s day becomes ruined when they walk outside to find their pool water appears green and hazy. Algae stands as one of the primary pool maintenance concerns yet scientists have discovered methods to both prevent and treat this problem.

This guide explains algae sources and presents effective removal methods and prevention strategies through Deep Blue scientifically validated pool chemicals and accessories.

What Is Algae?

Microscopic aquatic plants known as algae exist in water as their natural habitat. In pools, algae appear as:

Green Algae: The most common type, causes green water and slimy walls
Yellow (Mustard) Algae: Dust-like and clings to walls in shady areas
Black Algae: Stubborn spots with protective layers that resist brushing

What Causes Algae Growth?

The presence of algae spores occurs throughout all environments since they reach pools through wind and rain along with debris. But they only grow in pools when:

Chlorine levels drop too low
The pool needs better circulation and longer pump operation time to prevent algae growth.
Filtration is inadequate or filters are dirty
Organic matter (like leaves or body oils) builds up

Hot summer weather combined with sunlight causes algae to multiply quickly thus making summer the ideal time for outbreaks.

The Methods to Eliminate Algae from Your Pool

Step 1: Test and Adjust Water Balance

Check your pool water conditions by using Deep Blue test strips for pH measurement alongside alkalinity assessment and chlorine level inspection. You should adjust pH levels between 7.2 and 7.6 using Deep Blue pH+ or pH–.

Step 2: Brush and Vacuum Thoroughly

Brush walls, steps, and floors to break up algae colonies
Use a vacuum to remove waste directly into the pool drains especially when the algae infestation is severe.

Step 3: Shock the Pool

Use Deep Blue Shock Granules (chlorine or non-chlorine) in a double dose. Shock in the evening and run the pump overnight.

Step 4: Add Algaecide

Apply Deep Blue Algaecide after completing the shocking procedure. We offer:

Regular Algaecide – for green and yellow algae
Black Spot Algaecide – for black algae infestations
Non-copper Algaecide – safe for sensitive surfaces

Step 5: Clean Your Filter

Dirty filters provide hiding places for algae spores. Deep Blue Filter Cleaner should be used to thoroughly clean your cartridge or sand filter after treating the pool.

Weekly Pool Maintenance Steps to Stop Algae Growth

Your water quality needs testing twice to three times per week while maintaining chlorine concentration between 1–3 ppm.
Deep Blue Preventative Algaecide should be added once each week as a maintenance measure.
During summer operation maintain pump operation time between 8–12 hours each day
Perform regular brush maintenance on dead spots which include corner areas along with ladder and step regions during weekly cleaning sessions.
Filter maintenance should be performed at least once per month.

Eco-Friendly Algae Control

Our algaecides are:

Non-foaming for safe use with spa jets and fountains
Free from harsh dyes or metals
Packaged in recyclable containers with low-emission delivery
Are you experiencing ongoing algae difficulties in your pool?

Our expert support team and the Algae Troubleshooting Guide will assist you in identifying the source of the issue and suggesting treatment options.

Loyalty Points for Clean Pools

Every algae treatment and prevention purchase generates points which can be redeemed for discounts and bundle upgrades and seasonal promotions.

Conclusion

Algae represents a typical issue for pool owners yet it should not become a constant problem. Regular pool maintenance combined with proper products and Deep Blue assistance will keep your pool clean and clear without algae throughout the entire season.

FAQs

Can I swim with algae in the pool?

It’s not recommended. Algae presence could indicate unsafe bacterial contamination or insufficient chlorine concentrations in the water.

How long must I wait to swim after algae treatment?

Swimming becomes possible when the chlorine concentration drops below 3 ppm and the water becomes transparent.

You should not drain the pool to remove algae since most cases can be treated through proper cleaning and treatment methods.

Which type of algaecide proves most effective in treatment?

Contact us about your specific issue so we can recommend the best solution.

Is black algae dangerous?

The resistance of black algae to treatment stands out. The algae itself does not cause harm but requires proper removal since it may support bacterial growth.