Water Balance Hardness

Water Balance Hardness

Water hardness, also known as Calcium Hardness or Total Hardness, is the final part of the Water Balance Triad. You may know that it has an effect on your pool but today we will discuss how and why it is so important.

The best analogy for the effect that neglecting calcium levels has on a pool is one that refers to cars. Imagine driving your car every day, filling the tank up and keeping it spectacularly clean on the outside… but never changing the oil. Sure, you may get away with it for a few hundred miles and even a few thousand. But eventually, you’ll find yourself with an entirely useless car with as little as 60,000 miles on the meter. (Analogy credit of

It has a slow and cumulative effect. Calcium in your pool is similar to oil in your engine. Calcium levels in pools are often found in low quantities but they can peak if you are not caring for your water with a regular and consistent routine.

Whenever you fill your pool, it is important to know the water hardness that comes out of the tap. You can test for this yourself or contact your utility provider. It is worth knowing, water hardness can vary from postcode to postcode. If your water is very soft or very hard, you will need to take the necessary steps to rectify the issue. This must be done before adding any correcting pool chemicals..

Water hardness is crucial due to the nature of the materials used to construct pools. Soft water – aka that lacking in calcium and other minerals – will actively leach minerals from every surface it comes into contact with. Your water will behind to break down masonry, concrete, metals and pool liners. This can cause costly repairs to pool walls, heaters, pumps and pipes for example.

In many ways, unbalanced water hardness has similar effects on your pool as low pH. In line with this, the majority of soft water will also return low pH readings. On the other hand, hard water normally contains the maximum quantity of minerals it can hold. Houses in hard water areas may notice that their taps, showers, and baths are more likely to be covered in the limescale build-up. In the same manner, you will notice this issue along with cloudy water if you have a hard water balance reading.

Scale build-up is not just unpleasant but can cause a multitude of problems. This is due to its building up in your pipes and filters, causing consistently high pressure and eventually leading to pump failures, fractures and other mechanical issues.

Here at SpaChem™, we are dedicated to providing you with effective solutions to keep your pool water balanced. If you have any further questions regarding Water Balance Hardness, contact us today. Our friendly and experienced team are happy to answer any questions that you may have.

If you need additional advice, Total Chemical Solutions is here for you to give your processes an overhaul or to answer any questions you may have.