I have a rj45 installed on a 33k vinyl pool. This is a 3 year old unit that preformed perfect the first 2 of years, running at 50-60% FC 2.5-3 all year. Last year I had problems maintaining FC with unit running at 80-100%. Tested water weekly if not daily all season. Contacted tech and ran more tests for potassium and nitrates still nothing. Upon inspection of cell before opening pool this season. I found corrosion of the electrodes attached to the plates on the cell, but only on the top electrodes, the lower ones look new. With the 'self cleaning, reverse polarity' I would have assumed the erosion should have been even.
I'm going to contact Circupool in the morning, just wanted to know if anyone has seen this.