In many cases you will find a low calcium reading that can be adjusted by using calcium booster.
Adjusting spa water hardness.
To use the vanishing act follow these steps.
Add water as needed to keep the spa full.
Although there s no practical way to reduce high hardness levels it s easy to increase low levels by adding increase calcium.
When calcium hardness is too high.
Adjust it prior to making final ph and ta adjustments.
Treating low calcium hardness.
Divide the recommended amount up into three treatments allowing the water to circulate for at least four hours in between.
The hardness level of spa water measured as the amount of dissolved calcium is also important.
Test and adjust your spa water balance 2 4 times per week.
Make sure your water hardness is not too low.
Hard water is a common issue for spa and hot tub owners but so is soft water.
Add them one at a time.
Never mix different chemicals together prior to addition to the spa water.
However before you attempt to balance your hot tub s.
How to raise calcium hardness in a hot tub.
Keep the spa clean.
You need to raise the calcium level before your equipment begins to corrode.
Controlling calcium hardness helps maintain and assure proper water quality in hot tubs.
Simple water analysis can be used to adjust calcium hardness.
Drain and refill every 3 4 months.
Clean the spa filter every 4 8 weeks and replace every 1 2 years.
First rinse the vanishing act calcium remover with running water until the water runs clear.
Insufficient calcium hardness can sometimes promote equipment corrosion and also result in water foaming problems.
To make any adjustments to calcium hardness you will need a test kit or test strips.
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.
A good range for calcium hardness is 150 300 ppm.
Fortunately the easiest way to raise calcium hardness in a hot tub is to you guessed it add calcium to the water.
Luckily low calcium hardness can be easily corrected by adding calcium chloride that can be purchased at any swimming pool store.
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.
Allowable parameters lie in the range between 80 200 ppm for hot tubs and spas.
Air out the spa cover twice per week.
If the calcium hardness level of your spa water is above 75 parts per million then the vanishing act calcium remover is the ideal tool to bring your calcium hardness level down into the okay range.
Did you find the water in your spa is too soft.
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.
