Barnacles on my anode, but no erosion -- why?
I pulled the anode on my water heater -- the rod itself was perfectly intact, no erosion at all in the past year. But the rod had quite a few white barnacles. I s****ed them off easily with a knife....
Forum Discussion
Somebody with a good chemistry background will hopefully give a definitive answer. Pending that, my opinion is that it all depends on the chemical composition of the water in the tank.
