You ever have a "what was I thinking" moment?

ken56 wrote:
I am baffled that whom ever he was talking to about doing the work didn't try to explain to him what anode rods actually do and how they function. $$ is all they apparently saw. Maybe its my ignorance here.....is there an anode rod in the fresh water tank? He have some kind of really fancy coach? I am just not familiar with anode rods being anywhere but in a hot water tank. This one takes the cake.

If the fresh tank was metal, as in some very old RV's had galvanized steel tanks, the yes, an anode could have been of some value in preventing corrosion from electrolysis. Cutting a rod up and tossing in the pieces won't work though, since the anode needs to be electrically connected to the tank metal. The concept is that the electrolysis acts on the more conductive anode material more than on the tank metal. Since the anode is eaten away over time, it does need periodic replacement. Many boats also have sacrificial anodes attached to their hulls for the same reason. On smaller outboard or I/O powered boats, the replaceable anode is sometimes part of the skeg at the bottom of the lower unit, and is also used to counteract prop rotation forces on steering.