Does anode rod length matter?

Yes, the length of a sacrificial anode rod matters because it determines how much magnesium or aluminum is available to protect the tank. A longer rod means more material to corrode, which usually translates to a longer protection period.

However, Corro-Protec powered anode rods work differently. They use a titanium rod with an impressed electric current, so they don’t rely on the rod being consumed over time. That’s why our anodes are only 12 inches long, they provide continuous protection for the entire tank regardless of their length.

This makes installation much easier, especially in tight spaces like basements or closets, while offering long-term, maintenance-free corrosion protection.