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Deck/hull seal: mildew issues

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Matt1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 16 March 2025 at 17:15
On a UK sailing forum (YBW) I was recommended geocel for this purpose 


I havent used it yet but my 2019 418 is in need of renewing 


Edited by Matt1 - 16 March 2025 at 17:15
Hanse 418 #64 EmBer. Hamble, UK

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AndyS View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AndyS Quote  Post ReplyReply Direct Link To This Post Posted: 17 March 2025 at 00:18
Because the blackening of the joint is basically a cosmetic issue, I have been using Wet & Forget for many years with good results. Spraying it on the joint kills the mildew and the black color goes away. It is very safe and non-toxic and does what it claims to do. It is a great product for getting rid of mold and mildew. 
Andy
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echoofwight View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote echoofwight Quote  Post ReplyReply Direct Link To This Post Posted: 17 March 2025 at 09:00
I used geocell on my 2003, 341 and it's held up really well.  I did it about six years ago and it still looks good.  I bought it from Screwfix.
Steve. Hanse 341 Echo of Wight, . Deep draft and rudder, white hull, Single aft cabin. Raymarine instruments. Raymarine radar. Garmin AIS. Wheel Steering,   Portsmouth.
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Matt1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 17 March 2025 at 12:40
That’s good to know! Geocel it is. Any other tips from when you did this job?
Hanse 418 #64 EmBer. Hamble, UK

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echoofwight View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote echoofwight Quote  Post ReplyReply Direct Link To This Post Posted: 17 March 2025 at 13:21
Remove as much of the old sealant as you possibly can and make sure its super clean before applying new sealant.  I spent a lot more time preparing than I did actually applying the sealant 
Steve. Hanse 341 Echo of Wight, . Deep draft and rudder, white hull, Single aft cabin. Raymarine instruments. Raymarine radar. Garmin AIS. Wheel Steering,   Portsmouth.
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