Spa Water Hardness Too Low

If need be add pool solutions total alkalinity increase to further increase the total alkalinity.

Spa water hardness too low. Your pool water might look sparkling clear but your water may also contain a hidden danger to your pool equipment and surfaces. Add pool solutions total alkalinity increase to your spa or pool to increase the total. Low calcium hardness soft water problems if the mineral content of your water is too low the spa or pool water will be corrosive. When hot tub water becomes too soft i e.

Low total alkalinity below 60 ppm. Maintaining the calcium hardness level of your swimming pool water can help prevent the addition of even more chemicals to help balance the water and help prevent costly repairs in the future. Again ensure the kit tests for calcium or total hardness. If your hot tub water is a little too soft it s not too terribly difficult to adjust with a calcium hardness increaser.

This is the quickest and easiest hot tub water testing method. If you have a test kit or test strips that measure for calcium hardness levels in your spa you can easily. How hard is too hard. The water hardness map of the us shows the generally accepted maxim that anything over 180 ppm is classified as extremely hard water.

Low levels are soft water. Along with ph and total alkalinity the third important measurement of water balance in a swimming pool is the amount of dissolved calcium this measurement is usually called the hardness of the water high calcium levels indicate hard water. How to test for calcium in a hot tub. To make any adjustments to calcium hardness you will need a test kit or test strips.

A little fancier and slightly more labor intensive than test strips but sometimes more accurate. The ideal range for calcium hardness is 150 250 ppm parts per million for hot tubs. Just make sure you use strips that include total hardness. You have three options.

It s really as simple as adding a little calcium to the water. Minerals in your metal equipment components plaster surface or tile grouting will begin to dissolve leaving you with rusted equipment and soft eroded spa or pool surfaces. Read the instructions to find out how much you should add for your particular hot tub and start with the smallest recommended amount. Low below 7 2 normal 7 2 7 6 high above 7 6 t o t a l a l k a l i n i t y.

In many cases you will find a low calcium reading that can be adjusted by using calcium booster. You can do that with just a few supplies and you do not have to hire a pool or spa technician. Also if your water is high in calcium this is where you may want to use water that is treated by a softener to fill your spa. To determine if your hot tub is properly balanced use our langelier saturation index lsi calculator.

Add sea klear ph increaser to your water to raise both ph and total alkalinity. However many spas and hot tubs can operate effectively with much higher levels. Its calcium hardness drops below 150 ppm it becomes corrosive.