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Thread: sacrificial anodes

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    Moderator Sam-Q's Avatar
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    Default sacrificial anodes


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    Has anyone ever tried using a sacrificial anode in their cooling system? I dont like to rely on my anti-freeze and have thought of making provision for one of these suckers as part of my top cooling pipe
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    Senior Member Simon-KE70's Avatar
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    if u run an alloy radiator then its generally recommended that you do, and its probably a good idea which i cant see doing any harm!

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    wtf is a sacrificial anode??
    RIP Carly - a smile to light the world.
    06/07/2011

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    Senior Member Simon-KE70's Avatar
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    most hot water systems have them, basically the water corrodes the anode rather then the system itself.

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    Its the "nobler" aluminium you are wanting to protect I assume so its magnesium or zinc needed in a sacrificial system....I have thought of a powered anode but I lost interest without knowing the impact on the rest of the system....or the properties of todays coolent. Chemistry to this level I thought I would leave in the hands of a $30 container!
    Todays modern engines obviously have been designed with careful consideration to what metals come in contact with the coolant as they certainly dont seem to suffer like engines of old...or perhaps its just the regular service intervals keeping the integrity of the coolant chemistry?

    Quote Originally Posted by Simon-KE70 View Post
    if u run an alloy radiator then its generally recommended that you do
    ^Is this something designed in alloy rad's or the engine systems? If so is there something we can acquire off a "modern" engine?
    Last edited by filfilfil; 1st February 2009 at 08:49 PM.

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    Moderator Sam-Q's Avatar
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    now the other question; where do I get a lump of zinc or magnesium?
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    Veteran shift_rook's Avatar
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    boat stores you can get zinc i believe

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    Quote Originally Posted by DrifTE72 View Post
    boat stores you can get zinc i believe
    Scrap metal places will probably have a bar you can hack bits off for the rest of your cooling days cheaper....and they are great to find all those other "one day" bits

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    Moderator Sam-Q's Avatar
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    yeah good point guys, now I will look at what system I should use to hold one of these pieces into place
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    so is this due to the electolytic corosion with the water and aluminium?
    RIP Carly - a smile to light the world.
    06/07/2011

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