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