A Guide to Water Balance For Swimming Pool and Maintenance

Remember: Maintaining water balance is critical to ensuring the effective action of your pool chemicals.

Make sure that you understand the workings of your swimming pool or spa before adding any pool chemical Having free flowing water circulation and good filtration is important to maintaining a clean and healthy pool or spa

The first step in treatment is to ensure good water balance, which will create the right conditions for bather comfort, chemical efficiency and equipment protection. There are three major factors affecting water balance, they are pH, total alkalinity and calcium hardness

Calcium hardness

Hardness is the measurement of calcium salts in the swimming pool or spa water and this will vary depending where you live. Low calcium hardness can cause damage to your pool materials. Hard water (water high in calcium) can lead to limescale foriming in your pipes and equipment
these are guideline levels
Ideal calcium hardness levels are between 100 200 ppm (mg/l).
When the measurement drops below 75 ppm (mg/l), apply Hardness Plus
When the level is above 200 ppm (mg/l), apply Scale Inhibitor.

pH

pH can range from 1 to 14 where 1 is very acid and 14 very alkaline It is essential to maintain spa water within the 7.2  7.6 range which, because it is mildly alkaline, will protect equipment from corrosion and provide the ideal environment for bather comfort
Ideal pH level for spas is between 7.2  7.6.
If the measurement drops below use pH Plus
If the level is above 7.6 apply pH Minus
Note
These things] will cause the pH to fluctuate.

This can lead to rises in pH which reduces the performance of chlorine sanitisers like chlorine tablets. Significantly greater doses of chlorine sanitiser are then needed You can avoid this by using Bromine which is more stable over a larger range of pH than Chlorine Unlike chlorine, bromine keeps working in a spa for longer and so helps you minimise your hot tub chemicaluse

Total Alkalinity

Total alkalinity works to buffer pH changes The water pH varies drastically when Total Alkalinity levels are very low
High levels of TA will not only affect water clarity, but also make pH adjustments extremely difficult.
optimum Total Alkalinity is 100 ppm (mg/l) When it is below 80mg/l remedy it with Alkalinity Plus
When Total Alkalinity is greater than 140mg/l remedy it with pH Minus to reduce it
The balance of the water needs to be monitored regularly because it is essential to the effectiveness of your other treatments

Use Test strips to measure your water balance, they are very easy to use

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