Adjusting Spa Water Hardness

You need to raise the calcium level before your equipment begins to corrode.

Adjusting spa water hardness. Test and adjust your spa water balance 2 4 times per week. Controlling calcium hardness helps maintain and assure proper water quality in hot tubs. Luckily low calcium hardness can be easily corrected by adding calcium chloride that can be purchased at any swimming pool store. Divide the recommended amount up into three treatments allowing the water to circulate for at least four hours in between.

Insufficient calcium hardness can sometimes promote equipment corrosion and also result in water foaming problems. 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. If you live in one of the purple blue or white areas on the map add a calcium hardness increaser to your spa or hot tub each time you fill with new water. Fortunately the easiest way to raise calcium hardness in a hot tub is to you guessed it add calcium to the water.

However before you attempt to balance your hot tub s. Never mix different chemicals together prior to addition to the spa water. Treating low calcium hardness. To use the vanishing act follow these steps.

Make sure your water hardness is not too low. Adjust it prior to making final ph and ta adjustments. Keep the spa clean. A good range for calcium hardness is 150 300 ppm.

Clean the spa filter every 4 8 weeks and replace every 1 2 years. When calcium hardness is too high. Although there s no practical way to reduce high hardness levels it s easy to increase low levels by adding increase calcium. That s all there is to it.

Air out the spa cover twice per week. How to raise calcium hardness in a hot tub. Pre dissolving granules in a plastic bucket of water is best. Simple water analysis can be used to adjust calcium hardness.

The hardness level of spa water measured as the amount of dissolved calcium is also important. In many cases you will find a low calcium reading that can be adjusted by using calcium booster. To make any adjustments to calcium hardness you will need a test kit or test strips. Add them one at a time.

Drain and refill every 3 4 months. First rinse the vanishing act calcium remover with running water until the water runs clear. The benefit of having correct hardness levels is that it prevents corrosion and keeps water clear. Allowable parameters lie in the range between 80 200 ppm for hot tubs and spas.

Calcium hardness is the measure of how hard or soft your hot tub water is and measures the amount of dissolved calcium and magnesium. Just like ph and total alkalinity it s important to keep the calcium hardness balanced to prevent your hot tub water from becoming corrosive or scaling. Add water as needed to keep the spa full.