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Old 11 September 2001, 03:11   #1
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Antifouling or not

I will be looking to keep my RIB in a marina next season for 2 to 3 months over the summer. I would be using the boat about 2 to 3 times a week during those months. Would I need to apply antifouling for this or would the fact that the boat is not laying motionless for a long time keep the weed at bay.

Any experiences or advice would be welcome.

Neil
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Old 11 September 2001, 03:29   #2
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Neilb,

The growth of these plants has nothing to do whether the boat lies motionless or not. From my experience, after the second week in the sea, the hull starts to take that characteristical green color.

Michael
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Old 11 September 2001, 03:43   #3
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My reasoning is that the more you use the boat and the faster the boat moves through the water the more likely it is to wash off any form of growth that has built up.
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Old 11 September 2001, 04:50   #4
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Neilb,

Do you intend to sail the boat around the clock ? Cause if you don't then the weed will grow.
I use my boat for 3 weeks in a row. Each day of these I usually sail about 25 - 35 miles. By the middle of the second week the weed is visible. If I let be by the end of the third week the hull has become green.

Michael
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Old 11 September 2001, 05:09   #5
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I imagine that there is a huge difference between a sailing boat and a RIB. A sailing boat moving through the water at around 6 to 8 knots will not produce much cleaning effect. A RIB moving at around 35 to 40 knots for about 6 hours a week I hope would perform a certain amount of self cleaning. Would this be enough to keep the bottom clean.
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Old 11 September 2001, 07:33   #6
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Neilb,

I didn't make myself clear. When I say "sail" I mean "run at sea". I use a rib like you.

Michael
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Old 11 September 2001, 07:44   #7
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I recently left my RIB in a marina for 6 weeks, with use about every two or three days.
I did not antifoul as once its on there is no turning back.
After lifting the transon (where their is most light) was very weeded, the tubes and bottom of hull had little weed but lots of slime and a few barnicales and other hard things, not very dense though.
It took about 6 hours with a powerwash and scrubbing to remove the fouling (see post previous) but in hind site it may have taken somtime to put the anifouling on anyway.

My boat will be doing the same next year and in my case i wont be antifouling next year.

Things to consider

Is this a one off or will it be every year.

Look at the post powerwashing hyperlon, people talked about using baby lotion which is supposed works.

What time of year is it. I belive that barnicals releae their young about May and your much more likly to get lots of growth then.

How does your boat sit in the water, if the tubes are below the surface you will have to clean them of anyway (or does anyone know a antifouling for tubes).

Although it took 6 hours my RIB came up as clean as it went in, just lots of hard work.

I think its way up the odds and see waht works best for you. If you try it without antifouling and it does not work you can always apply it later, but you cant take it off.

Regards Gary
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Old 11 September 2001, 09:16   #8
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Anti-foul

DO NOT anti-foul if you can help it! Once its been done you are 'locked in' to do it regularly. Beach the boat every so often and give it a good clean.
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Old 12 September 2001, 00:32   #9
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i found that if you hang a dark tarp over the stern you will keep 95% of growth at bay. sounds like a lot of work but all i did was cut a piece of black tarp tie a couple of lead weights to it and hang it over the stern. fold it up and leave it on the dock when not in use. the guy next to me had approx. 4 " of growth over the summer with no tarp and i had none at all. it is easy to clean your hull but a pain to clean your engin bracket and tilt pump&ram. chris
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Old 12 September 2001, 01:22   #10
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Tarp ??

What exactly is a tarp ?

Michael
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