How does the pool surface of the pool affect water chemistry?

Different surfaces react differently to pool water and it is important for your control system to react correctly to it.  The best solution is to allow the pool surface to come naturally into chemical equilibrium with the water, as long as the water is:

  • Comfortable for the eyes and skin of swimmers,
  • Clean and clear,
  • Correctly sanitised,
  • Correctly balanced for Calcium deposits on, or etching of the surface.

This is achieved in most pools by Pooled Energy’s Advanced Water Chemistry with minimal addition of chemicals and without needing to use hydrochloric acid in all but pools with new, chemically-active surfaces. Adding acid manually causes large pH swings and local high concentrations of acid which can be damaging to surfaces.

Some types of surface such as Marblesheen and Quartzon, which both have a high alkali and calcium content, are very chemically active.  Such surfaces continuously leech alkali (and calcium) into the water and often require special management for the first few years of their lives.

Some surfaces are particularly prone to calcium deposits and staining, especially if there were any problems with the original application of the surface. Some deposits and marks cannot be eliminated by pool water chemistry as they arise in the surface itself.

The Pooled Energy system is suitable for the following types of standard pool surface:

  • Marblesheen
  • Quartzon,
  • Quartzite
  • Pebblecrete
  • Glass bead
  • Glass Tile
  • Ceramic tile
  • Fibreglass
  • Epoxy paint
  • Rubber paint

Additional types can be accommodated if required.  Please discuss your pool surface with us if it is not one of those listed above.


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  • How Pool Automation works
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