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Your pool water may be crystal clear, but that does not mean it is healthy. Pool water chemistry can be broken down into two basic categories: Water Sanitation Pool water needs to be sanitised to ensure bather safety.
The most widely used disinfectant sanitiser for domestic pools in the UK is currently Chlorine, we will discuss alternatives to chlorine during this guide.
Your pool water should be maintained at the correct chlorine level at all times. Water Balance pH is the most important element in swimming pool water chemistry — It affects every other chemical balance in the pool water.
Although the pH level is the most important element contributing to water balance there are other factors that also influence water balance, these will be covered later in this guide. We will also discuss the optimum levels and how to achieve and maintain them.
Chemicals normally used to treat swimming pool water: In pools a slightly alkaline level between 7. If pH falls too low below 7: If pH is too high above 8: TA affects and controls the pH.
If the TA is too low: In basic terms TA acts like a buffer for your pH level. If you picture a playground seesaw as the pH indicator, and you place 2 people of the same weight on either end - the seesaw balances which relates to pH neutral.
The people are representing the TA and if one of these people were to get off of the seesaw this would cause a massive change in the pH level one way or the other.
Now picture the same seesaw with 10 equally weighted people on either side, the pH is again balanced but now if one person were to get off of the seesaw the balance would not change as drastically due to the 9 remaining people acting as a counterbalance.
There are a number of products available such as T. A Plus that you can use to increase the pools Total Alkalinity - check the instructions for dosing details. The water hardness should be maintained at a minimum level of ppm.
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Water hardness can be increased by using a water hardness increaser such as Hardness Plus. Unfortunately the only way to reduce water hardness is to dilute the existing pool water. There are several types of testers available: You should check your pool water daily for both sanitiser and pH.
Your local pool shop will be able to offer this testing service if you do not have the appropriate test kit. Calculate The Volume Of Water In Your Pool Now that you have your test results it is necessary to calculate the volume of your pool to determine the quantity of water treatment products your pool needs.
It is better to calculate the pool volume in litres rather than gallons, as it is easier to calculate the quantity of product required in metric rather than imperial. TIP — If you know your pools volume in gallons multiply the amount of gallons by 4.
If you are unsure consult the manual supplied with the swimming pool. All dosage rates are per litres of pool water. If your pH is too low below 7.Award-winning Support. When you buy our software, you get support for life.
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