Asked by: Joseph Beckh
asked in category: General Last Updated: 18th January, 2020

What do you do when Pool hardness is low?

How to Lower Calcium Hardness in Your Pool
  1. Drain and replace some water. Before you replace the water, test your water source.
  2. Use pool flocculant. If you can't or don't want to drain any water from the pool, try using pool floc to clump the excess calcium.
  3. Try muriatic acid.

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Similarly, it is asked, how do I raise the hardness in my pool?

Measure out enough calcium chloride to raise the hardness level. Use 1 1/4 pounds of product per every 10,000 gallons of water if you need to raise the level by 10 ppm.

Beside above, what happens if calcium hardness is too low? Low Calcium Hardness When pool water becomes too soft (i.e. its calcium hardness drops below 150 ppm) it becomes corrosive. Problems often associated with low calcium hardness include: Eroding of tile grouting and delaminating of plaster surfaces.

Furthermore, what does low hardness do to a pool?

Low Calcium Levels in the Pool Low calcium, as is often the case, will cause long-term serious damage especially to plaster, vinyl liners, grout in between tiles, metal rails, and even concrete decking around the pool. Here's why it happens. Plain old water, believe it or not, is very aggressive.

What causes low calcium hardness in pools?

The Effects of High and Low Hardness

Calcium Hardness Too Low Calcium Hardness Too High
pitting of concrete pool surfaces cloudy water
etching of plaster rough surfaces
dissolving of grout clogged filters and reduced circulation through piping
pitting of concrete pool deck heater inefficiency

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