Pool Chemicals 101
Written by Papago Pool Service

Pool Chemicals 101

There is nothing better than going outside on a sweltering day to jump in the pool. However, as a pool owner you are responsible for comprehending how to maintain the pool to keep it safe for swimmers.

This is where understanding of pool chemistry gets in the game. From the chemicals that enter into the pool to keep the water clean and for the prevention of algae build up to comprehending how to keep your pool at correct pH levels, there is a lot that goes into pool water chemistry.

Swimming Pool Chemicals


For the prevention of pool algae, algaecides play a vital role. They could be used as an algaecide to eradicate small, solitary blooms, but a lot perform ideally as an algae-stat, to manage and prevent pool algae from growing. Pool algaecides are formulated to eradicate all algae kinds, but some manage particular types of pool algae better than some, and various algaecides will have their own way of controlling algae.

Chlorine Stabilizer

This product stabilizes pool chlorine and helps prevent chlorine loss because of the effect of the sun. Backwash and/or clean the pool filter prior to adding this product to the pool. Keep the pool water’s pH between 7.2 and 7.8.

Calcium Hardness Increaser

This product is used to increase calcium hardness in pool water. Decreased calcium hardness can cause pool water to become corrosive and could result in staining, scribing, or distortion of the swimming pool’s finish. Plaster that is etched by low calcium hardness can become coarse and discomforting for swimmers. uneven plaster increases algae issues and makes cleaning more hard.

Alkalinity Increaser

Alkalinity increaser increases total alkalinity in pool water. Reduced total alkalinity can cause pool water to be corrosive to metals and/or plaster and could result in staining, scribing or distorting of all kinds of pool surfaces. Correct alkalinity helps to prevent these problems and also stops “pH bounce” by protecting the water against large pH fluctuations. Total alkalinity in swimming pool water needs to be kept in the 80-120 range for vinyl liner pools, and in the 125-150 range for other kinds of pools.

pH Down

This product is a granulated chemical intended to slowly decrease the pH of swimming pool water. It is more safe to deal with than liquid acids like muriatic acid (hydrochloric) or sulfuric acid.

pH Increaser

pH increaser is used to increase the pH of swimming pool water. pH needs to be kept at 7.2 to 7.8 for optimal chlorine activity and ideal water quality. The model pH for vinyl lined pools is 7.6. Correct pH management is one of the most important elements of pool maintenance. An accurate swimming pool water test kit should be used for measuring pH levels.

Pool Shock

The terminology, “Shocking” is in reference to the method of adding chlorine or non-chlorine chemicals to the swimming pool water so that it increases the free-chlorine levels to where impurities like bacteria, chloramines, and algae are eradicated.


Probably the best chemical that could be used to eradicate bacteria and keep algae, viruses and other impurities from developing in the swimming pool’s water. The two most favorable kinds of sanitizers are chlorine and bromine.

Hardness Balancers

Hardness balancers keeps your pool in the model calcium hardness range of 200 – 300 ppm.

Utilize Pool Water Testing Strips or a Pool Store in Your Area

One thing to remember when using pool chemicals is you need to utilize swimming pool test strips at home or take swimming pool water sample to pool store in your area to find which chemicals you’ll be required to purchase. This can be arduous, complex, and stressful, but in today’s world, digital pool test kits are available to assist in the balancing of your pool water.

Why are pool chemicals required?

Being a swimming pool owner, it’s your duty to use the proper chemical care to keep a healthy swimming pool for anyone that wants to take a dip. Unhealthy pools can result in unhealthy problems and cause harm to people that swim in it.

Papago Pool Service Offers Affordable Pool Service In Scottsdale, Arizona

Papago Pool Service offers affordable saltwater pool service, pool service in Scottsdale or get a free pool weekly pool cleaning quote by giving us a call today at (480) 423-9333 or filling out our contact form.

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