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Descant · 02-02-2021, 04:09 PM

Zincs last a long time in fresh water. Actually, I think its something else in fresh water and zinc for salt. Somebody will chime in with better info. If your boat is on a trailer or valet, change may be rare.

02-02-2021, 04:09 PM	#3
Descant Senior Member Join Date: Mar 2006 Location: Merrimack and Welch Island Posts: 4,039 Thanks: 1,212 Thanked 1,519 Times in 985 Posts	Zincs Zincs last a long time in fresh water. Actually, I think its something else in fresh water and zinc for salt. Somebody will chime in with better info. If your boat is on a trailer or valet, change may be rare.