What is this and is it bad?

JakesRinker300JakesRinker300 Member Posts: 91 ✭✭
in Rinker Express Cruisers Forum
Algae? Can this be cleaned?

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  • aero3113aero3113 Member Posts: 9,857 ✭✭✭✭✭
    The Algae should just scrub off but if there is corrosion, make sure your anodes are the correct type. Zinc for salt, magnesium for fresh. Yes, you would have to sand down the corroded areas, prime and paint.
    2008 330EC
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  • GMSLITHOGMSLITHO Member Posts: 1,618 ✭✭✭✭
    Maybe pull the drive and have it pressure tested and chance the water pump clean it all up and new paint 
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  • SpyderwebSpyderweb Member Posts: 959 ✭✭✭
    If pitting is very deep, could fill with JB Weld, sand, then prime and paint.  
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  • YYZRCYYZRC Member Posts: 5,464 ✭✭✭✭✭
    I would remove the hydrofoil.
    2006 390 EC
    2008 350 EC
    Georgian Bay
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  • JakesRinker300JakesRinker300 Member Posts: 91 ✭✭
    Is this not a stock item?  Boat is new to me so I wouldn’t know. 

    YYZRC said:
    I would remove the hydrofoil.

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  • WillhoundWillhound Member Posts: 4,242 ✭✭✭✭✭
    Not stock. A previous owner installed it in the mistaken belief it would help them get on plane faster, maybe save some fuel. Reality is it places extra stress on the drive and if your trim tabs are working properly and you learn how to trim your drive angle and load the boat properly for weight balance, you don't need it. 
    "Knot Quite Shore" - 2000 FV270 (Sold)
    2018 Cherokee 39RL Land Yacht (Sorry...)
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  • GMSLITHOGMSLITHO Member Posts: 1,618 ✭✭✭✭
    I would agree if the boat didn’t have trim tabs you might want to leave it on but with the tabs you really don’t need it 
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  • PickleRickPickleRick Member Posts: 4,371 ✭✭✭✭✭
    Hydrofoil also helps with low speed/no wake wandering.  The hill marine prop plus hydrofoil made my boat much better at all speeds. 

    Even with trim tabs it's a bandaid to help an under powered boat get up on plane quicker.  in my case a 225 hp turbo diesel in a 10,000 lbs boat with 900 hrs.
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  • SpyderwebSpyderweb Member Posts: 959 ✭✭✭
    My dad had a 20’ cuddy with underpowered 4 cylinder, no trim tabs.  I added a foil and it noticeably improved hole shot.  Cheap fix.  I would recommend it for similar situations. 
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  • JakesRinker300JakesRinker300 Member Posts: 91 ✭✭
    Sooooo could this be what’s causing my pitting? 
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  • JakesRinker300JakesRinker300 Member Posts: 91 ✭✭

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  • Cableguy GregCableguy Greg Member Posts: 5,077 ✭✭✭✭✭
    JakesRinker300 said:

    What type of water are you in? Those anodes need replaced for sure. 
    2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes" (Sold)
    2022 Cherokee 294GEBG Black Label land yacht. 
    Go Steelers!!!
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  • aero3113aero3113 Member Posts: 9,857 ✭✭✭✭✭
    @JakesRinker300 they say when the anodes are 50% or more gone then you should replace them. They really aren’t as bad as you think. But you might have a stray current in your marina. How long have they been on?
    2008 330EC
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  • aero3113aero3113 Member Posts: 9,857 ✭✭✭✭✭
    Remember they are there to get eaten and not look pretty.
    2008 330EC
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  • JakesRinker300JakesRinker300 Member Posts: 91 ✭✭
    Fresh water. With the amount of erosion on these could it be what’s causing the pitting on the drives?
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  • aero3113aero3113 Member Posts: 9,857 ✭✭✭✭✭
    @JakesRinker300
    look at my other posts I posted just before you, I think you missed them. There’s probably a stray current near your slip causing the issue.
    2008 330EC
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  • JakesRinker300JakesRinker300 Member Posts: 91 ✭✭
    Not sure Aero. We bought the boat last fall and this is the first time I’ve really had a close look at them. I’ve replaced them with new magnesium sets. I’ll be able now to monitor how quickly they’re degrading. 


    aero3113 said:
    @JakesRinker300 they say when the anodes are 50% or more gone then you should replace them. They really aren’t as bad as you think. But you might have a stray current in your marina. How long have they been on?

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  • Cableguy GregCableguy Greg Member Posts: 5,077 ✭✭✭✭✭
    Replace with magnesium anodes at least once a year. Check the Mercathode system to see if the puck on the bottom of the transom assembly is still working. I was getting some corrosion on my drive. I pulled the Mercathode and the wires had disintegrated. I replaced it and most corrosion issues went away. You can also double the controller if you need extra protection. 
    2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes" (Sold)
    2022 Cherokee 294GEBG Black Label land yacht. 
    Go Steelers!!!
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  • LaReaLaRea Member, Moderator Posts: 8,071 mod
     @aero3113 is on point.  There is a boat near you dumping AC current into the water.  Look for an older boat within 1-2 slips of you ... a crappy, ill-maintained boat, with a crappy shore power cord, owned by a cheapskate boater.  
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  • SpyderwebSpyderweb Member Posts: 959 ✭✭✭
    I agree with @aero3113 on the 50%.  Not to say there might be a Mercathode problem or stray current issue to look into, but you’d be surprised how bad 50% looks.  I’ve weighed my anodes and compared them to new.  I wouldn’t be surprised those are still 70-80% original weight.
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  • MarkBMarkB Member Posts: 4,009 ✭✭✭✭✭
    Cableguy Greg said:
    JakesRinker300 said:

    What type of water are you in? Those anodes need replaced for sure. 
    Oh yes ... looks like there could have been poor contact already ...

    Boat Name: King Kong

    "Boat + Water = Fun"

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  • J3ffJ3ff Member Posts: 4,232 ✭✭✭✭✭
    Mine look way worse than that, 10 months in, in salt water.. the trim ram one on the sunny side is almost all gone. 
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