What are Three Effects of Improper Swimming Pool Chemicals?

It’s the middle of winter in North Georgia and the second round of snow is just melting.   But, before you know it, the warm weather will be here.

If you are a swimming pool owner, you are thinking about the next pool season.   For most pool owners, the primary concern is how to keep the pool clean and clear.

The pool is kept clean and clear by keeping the chemicals properly balanced.

For people who maintain the pool themselves, keeping the chemicals balanced can be a struggle.  Most pool owners think that the most important thing with pool chemistry is maintaining sufficient chlorine, so that the pool doesn’t get algae.  Yes, that is very important but you also need to maintain the other chemicals as well.

Here are three of the common problems that result from improper swimming pool chemistry.


This is the most common problem of improper pool chemistry.   Algae will start to bloom and grow in your pool when the chlorine is not at an acceptable level.   Chlorine needs to be at a minimum of 1.0.   When the chlorine drops below those levels, then algae has a chance to bloom and then spread.

When the temperatures are warm, then the water will be warmer.   The warmer the water, the quicker that algae can bloom and spread.

Algae comes in a wide variety of colors.   But, the most common are yellow, green and brown.

Keeping the chlorine at acceptable levels will not necessarily prevent the pool from getting algae.  It also depend on maintaining the PH and the alkalinity as well.


Pool equipment is designed to have water pass through it that has the proper pool chemistry.   When the pool chemistry is properly maintained, then the equipment should last at least its normal life span.   If the pool chemistry is not maintained at proper levels, then the equipment will become corroded and will eventually stop working.

Corrosion on pool equipment is usually caused by improper PH and alkalinity levels.

Many pool owners think they just have to maintain the chlorine levels. But, these two additional pool chemistry ingredients are very important.

For example, when you shock your pool to treat the algae, it raises the PH levels to usually higher than 8.0.  Pool PH should not be higher than 7.6 for any extended period of time.

It needs to be between 7.2-7.6.  When the PH stays at 8.0 for too long, it can start to cause corrosion on the pool equipment.   This usually shows in the form of a white calcified look on the pool equipment.


When the PH or the alkalinity is not maintained even over a few months, it can cause pool heaters to no longer work.   The main component of a pool heater is the infuser.   When the alkalinity is not maintained over just even a few months, problems can result.

When there is a malfunction of the pool heater, it usually takes time for the problem to show up.   The person who is currently working on it, is going to be blamed, not the person who did the install.


These effects are all preventable when the pool chemicals are properly maintained over time.

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