"Did you know that your swimsuit can potentially be the number one cause of corrosion to your spa equipment?
Sitting in a spa, donning a freshly laundered swimsuit might seem like the modest way to go, especially if the neighbors have a heightened interest in everything that goes on in your backyard. A swimsuit fresh out of the dryer
Apture™
[Creative Commons Attribution Share-Alike] by Ed Yourdon
has a significant amount of soap residue left in it from the washing process. The detergent is especially concentrated if hard water is used. Hard water will not allow the detergent to completely break down."