Water Balance - Why is Pool water balance Important
Proper Water balance achieved in your swimming pools and spas, will create an environment that will optimize your sanitation process. When your pool or spa water is properly balanced, it will protect your mechanical systems from chemical corrosion.
If your pool and spa water do not contain any dissolved materials, it will become very aggressive which will lead to other related problems.
Due to this aggression, your pool or spa water will attempt to naturally balance itself.
It does this by causing surface materials that it comes in contact with to go into solution.
Factors that contribute to your pool water balance!
There are many factors that are related to the balancing of your pool and spa water. However we are mainly concern about the ones listed below. They include:
We will look at each of these water balancing factors more closely, as we go on. The first one of these factor that we will look at more closely at this point, will be the pH. But first, let us look at some of the effects of a poorly balanced swimming pool or spa.
Surface materials that are attacked by poor water balance!
Your pool environment has certain materials in it that can be attacked or dissolved and go into solution. This is all due to poor water balance. The surfaces materials that can be dissolved into solution include:
Now if your pool water has too much dissolved materials, it will attempt to balance itself by releasing calcium carbonate from the solution. The result of this water balance attempt, is a hard rough surfaced precipitate. This problem is also referred to as scale build up in the pool industry.
Whenever you have a scale build up due to poorly balanced pool water, dirt will be attracted which can cause more problems in your facility.
Some of these problems include:
Facts about good pool water balance Water
When your swimming pool or spa has good water balance, the operating life of your swimming pool equipment will be maintained and extended. Proper water balance will provide a more enjoyable swimming experience for your pool and spa users.
pH as it relates to the water balance of your swimming pool and spa
When it comes to your swimming pool water chemistry, your pH is the most important single element.
Your pH levels will affect the balance of all the other pool chemicals, in the water.
pH is the measure of the hydrogen ion (H+) concentration in you pool water.
This important element points out how acidic or how basic your pool water actually is. A pH level is measured on a scale of 0 (strongly acidic) to 14 (strongly basic). A pH reading of 7 on the scale, means that the water is neutral.
pH related pool and spa water problems!
You can encounter serious water problems in your swimming facility if you do not control your pH levels. Firstly, look at the problems that are caused by low pH.
Now we will look at the results of high pH levels.
Clogged pool or spa heater elements.
As you can see, these problems are very serious and they will result in the closure of your pool. So you must at all cost protect your swimmers by controlling your pH levels. When it comes to the comfort of your human bathers, it is highly recommended that you maintain your water balance by sustaining a pH level that falls between 7.3 and 7.6.
This is what we call the ideal pH range because:
The pH of our pool water, has the most impact on its balance and the comfort of our swimmers.
Factors that influence the pH in pool water balance!
The acceptable range of pH is between 7.2 to 7.8; however, there are many factors that can affect these readings.
These influencing factors include:
Controlling the pH of your swimming pool or spa!
As I mentioned earlier, controlling the pH levels in your pools and spas is very important to your bathers, the efficiency of your pool sanitizers, and the protection of your mechanical systems. To control your pH level, your total alkalinity must be at its required level. Before you make any kind of adjustment to your pH, it is highly recommended that you check your total alkalinity first.
And if it is too low, make the necessary adjustment to bring it within industry standards. When your total alkalinity is at the correct level, often times your pH will be at the correct range that it has to be at.
Achieving water balance by lowering your pH level!
Lowering your pH levels can be accomplish by either adding acids or acid salts like sodium bisulfate. By adding these pool care chemicals to your pool water, will increase the H+ ions; thus, causing a reduction in your pH levels. You can add these acids/salts directly to your pools and spas; still, the most commonly used and safer method is to use a feeder mechanism system.
Characteristics of a pool or spa with proper water balance!
Whenever you achieve a pool or spa that is chemically balanced, the following characteristics are displayed.
It is not necessary to have your pool or spa water perfectly balanced. In the swimming pool industry, it is recommended that you keep the water for your facilities, negatively balanced slightly. This process will allow room for pH swings that will occur when you add liquid chlorine and calcium based chlorines.
Never, ever forget, that it is your responsibility as a swimming pool or spa owner/operator to ensure the safety of your swimmers; hence, one of the ways that this is accomplished, is to always maintain proper swimming pool and spa water balance.
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