[C320-list] Zinc Or Aluminum Anode For Mid Chesapeake?

[Warren Updike]

The manager at our store said aluminum is less damaging to the environment than are lead annodes. They are only stocking aluminum now.

-----Original Message-----
From: Bruce [mailto:swampcreek42 at yahoo.com] 
Sent: Wednesday, March 06, 2013 1:56 PM
To: C320-List at Catalina320.com
Subject: Re: [C320-list] Zinc Or Aluminum Anode For Mid Chesapeake?

>From what I've been reading, the less conductive the water the less noble the anode should be so the order goes zinc, aluminum, magnesium. Zinc for salt, aluminum for brackish and salt, magnesium for fresh. I guess I might be reading into this too much but now I have to get to the bottom of it. Thanks for the tip on Chinese abides from WM, I'll remember that.

Bruce
#719

Marshall <marshall at merry-thought.com> wrote:

>Everyone that I know on the Chesapeake including myself use zinc. My boat is across from Annapolis. To my knowledge boaters in the Northern part of the bay use zinc. I would avoid the Chinese made Worst Marine zincs. I am going to check out Fawcetts. Defemder also sells non Chinese zincs.
>
>Marshall
>
>Bruce <swampcreek42 at yahoo.com> wrote:
>
>>I was about to order a new anode For our FOF prop when I saw that 
>>aluminum alloy is decided for brackish water. I used to just put zinc 
>>on everything and not think twice but being that the mid Chesapeake is 
>>brackish I'm thinking that I should replace the prop AND shaft abides 
>>with aluminum alloy. Any thoughts?
>
>--
>Sent from my Razor Max with K-9 Mail
>
>Marshall
>
>Marshall, Diane &
>The Merrythought Poodles
>SV C-320 Merrythought  #1037