Diagram - salt system

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  and about 10x more expensive than typical chlorinators. 

 a whopping 300-1500% more chlorinated is used than is needed.  

 to the pool (staining and fading) to the equipment (corrosion to shaft, springs, bearing, etc.), and to the deck (delamination). 

 particularly to those who suffer from hypertension (aka high blood pressure). When you swim in the pool, salt is being absorbed into your skin, your largest organ. This could cause health problems. Please consult your doctor. 

  two of which are notable

1. Back-washing of the Salt System means that salt water will come in contact with your lawn, shrubbery, and trees. Salt is known to have a damaging impact on these.
2. Many municipalities prohibit back-washing of a Salt System due to salt intrusion in the freshwater supply. For those who are environmentally-minded, this is something to think about.

 which is something else for the environmentally-conscious to consider. More chemicals are required because it is harder to maintain proper PH and chlorine levels without them. Chemical stabilizers are needed also, which is another expense to consider. 

  include pets (who cannot drink the water as it is too salty), hair (as hair color has been known to change in the chemicals), clothing (bleaching to the fabric), as well as skin irritation (eyes, ears, nose) and the exacerbation of existing skin conditions. 

  Hatteras Pools are best maintained with a chlorination level of 1 ppm (part per million) which is lower than the requirement for municipal drinking water.  

 Fact: chlorination levels produced by Salt Systems typically exceed 300 - 1500% of that desired level. 

to ever get a Salt System is because YOU absolutely can not enjoy being in the water UNLESS it's salt water as you LOVE the feel of it on your skin and you must have that in your pool.  If that is not your driving reason then you do not want to get a Salt System.  Get a UV / Ozone System instead.  They are way better for sanitization anyway.