ZRC Vanquishes Corrosion at Marina Phil Donohue is a smart man. A successful automobile dealer, Phil left behind the hectic world of wheels in 1992 when he purchased the Waveland Marina in Hull, Massachusetts. The seaside community jutting into Massachusetts Bay offered spectacular views of the Boston skyline and a steady clientele of recreational boaters. The saltwater provided an incredibly harsh, corrosive environment for Donohue's galvanized metal dock floats and "fingers," (floating supports). Any break or scratch in the galvanizing resulted in a rust area that spread quickly. Phil knew that the best protection against rust is zinc, so year after year he tried various brands of cold galvanizing compound. "I tried several inexpensive galvanizing topcoats," recalls Donohue. "But that pr

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