Luckily low calcium hardness can be easily corrected by adding calcium chloride that can be purchased at any swimming pool store.
Decrease water hardness in pool.
If your swimming pool doesn t have enough calcium you can add a pool water hardness increaser to the water easily raises calcium levels.
Testing and decreasing water hardness test the pool water for hardness.
How to lower hardness in a pool.
How to lower the calcium hardness levels if you know the water from your tap in your area isn t hard then you can drain part of the water in your pool and refill.
Before you replace the water test your water source.
If you don t have the option or option 1 then your next option is to use a flocculant to bind the excess calcium and.
Drain a portion of the pool water to adjust the water hardness.
A plaster pool is easily affected by even lower levels of water hardness so they must be filled with water with 180 220 ppm hardness.
Lowering your calcium hardness with a flocculant.
Reducing pool calcium hardness levels place the filter system on recirculate or remove filter media.
When calcium hardness is too high.
Add muriatic acid if you need to lower the alkalinity of the water.
How to lower swimming pool calcium hardness lowering your calcium harness by adding fresh water.
Divide the recommended amount up into three treatments allowing the water to circulate for at least four hours in between.
In areas with extremely hard water it s common practice.
Circulate pool for 8 12 hours water should be cloudy retest ph using diluted sample.
Fill a portion of.
Check poolcalculator for dosage amounts.
You can buy a bucket of granular hardness increaser at just about any swimming pool retailer.
There are additives called flocculants that can help attract.
Shut off filter system.
For a pool with high calcium levels add 2 3 capfuls of muriatic acid to lower the alkalinity to around 80.
Raise the ph to 10 0 by adding ph increaser.
Using an acid to.
If it s high in calcium try using a.
How to lower calcium hardness in your pool drain and replace some water.
Accepted levels of water hardness for different pool types the people who have swimming pools or wish to own one must take care that pools must have water with hardness levels between 200 and 400 ppm.
The last option.
If you find that your calcium levels are still high you can adjust the alkalinity of the pool to control calcium hardness.