The symptoms you will likely have include:

  1. Your pool keeps going green
  2. Your salt chlorinator keeps showing a LOW SALT warning even though your salt level has been checked and is fine. This is because the low salt message is a warning of low conductivity caused by low salt and also the cell plate coating wearing down
  3. The plates may start to bend and distort as the precious metal coating wears off
  4. The plates may start to erode, so some plates will become shorter than others (usually the middle one does this first)
  5. Your chlorine levels are low and

 

These photos show eroded middle plates and calcium build up on the cells

 

Cells are replaceable and the coating wears off over a matter of years so they do need replacing when they are no longer making enough chlorine for the pool.

 

Here is our link to popular cells

https://www.bestpricepoolequipment.com.au/product-category/pool-equipment/cells/