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Old 12-14-2015, 08:51 AM   #21
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I live in South Florida and with fresh bottom paint I expect to go at least a year without needing to scrub. Now that I've started using Prop Speed, the prop stays clean as well. The boat next to me is scrubbed every month.

It's important to use a paint with an anti slime component like Trinidad SR or Micron 66.

If you're going to get the boat scrubbed every month, why bother with bottom paint?
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Old 12-14-2015, 08:58 AM   #22
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Biggest issue for us is always the running gear. You can bag the props but bagging the shafts would be hard. This last haul out we are trying Prop Speed. Since we move the boat at least every 3 weeks we are hoping for better running gear results than is the past. Time will tell.
We use Propspeed (Yes, the name is actually a single word). A key to it's success is the application. There is a video on their home page. It's not a simple on and back in the water process. Like bottom paint, temperature is important as is leaving adequate time before relaunching. Also, making sure the metal isn't "scrubbed" as part of bottom cleaning. It should only be wiped down with a non-abrasive cloth and this should be done with regular bottom cleaning. I simply think of it as bottom paint for metal as it actually is very much that.
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Old 12-14-2015, 09:39 AM   #23
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Not only does Propspeed keep your prop clean, my experience is that it makes your boat go faster. I had never seen more than about 15.3 knots on my GPS. On the way home from the yard after applying Propspeed it hit 16.2 and the engine was turning about a hundred RPM more than I expected.
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Old 12-14-2015, 10:01 AM   #24
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Not only does Propspeed keep your prop clean, my experience is that it makes your boat go faster. I had never seen more than about 15.3 knots on my GPS. On the way home from the yard after applying Propspeed it hit 16.2 and the engine was turning about a hundred RPM more than I expected.
Yes, it does. Perhaps not always as significantly as it affected yours. Also often done at the same time as bottom painting or cleaning so how much of gain is which is hard to determine.
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Old 12-14-2015, 10:52 AM   #25
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Here in the Deep South slime is a real problem. Since the removal of Irgarol as an anti slime agent from bottom paint there is no stopping it without rubbing the hull. We seem to have an abundance of nutrients in the water year round that premonit it.

I really hope our experience this go round with running gear growth is better with Propspeed. Time will tell.
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Old 12-14-2015, 12:04 PM   #26
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Here in the Deep South slime is a real problem. Since the removal of Irgarol as an anti slime agent from bottom paint there is no stopping it without rubbing the hull. We seem to have an abundance of nutrients in the water year round that premonit it.

I really hope our experience this go round with running gear growth is better with Propspeed. Time will tell.
If applied correctly, it will definitely help. Those who I've known to complain and say it did not help had applied it themselves and never read the instructions or even been to their web site it appeared.
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Old 12-14-2015, 05:16 PM   #27
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Originally Posted by HopCar View Post
I live in South Florida and with fresh bottom paint I expect to go at least a year without needing to scrub. Now that I've started using Prop Speed, the prop stays clean as well. The boat next to me is scrubbed every month.

It's important to use a paint with an anti slime component like Trinidad SR or Micron 66.

If you're going to get the boat scrubbed every month, why bother with bottom paint?
I'd have to agree. If you are moving your boat often and if your paint is fresh, in most places you shouldn't have to be scrubbing the bottom monthly that I've seen.

If it sits, before a trip is a good schedule.

Most bottom cleaners get pretty agressive with their scrubbing and start taking off to much paint. Which just shortens the life of the paint. But does increase your need for their services.
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Old 12-14-2015, 05:52 PM   #28
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Most bottom cleaners get pretty agressive with their scrubbing and start taking off to much paint. Which just shortens the life of the paint. But does increase your need for their services.
We control that very rigidly as when we're talking monthly cleaning, we're really only talking diving and gently wiping the bottom clean. About the intensity of a wash down top side after a cruise. It may be unnecessary to do as frequently as we do, but by doing so and controlling how it's cleaned we are getting a very long wear on the bottom. It's a bigger issue when we have a boat that sits unused for six weeks at a time while we're elsewhere.
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Old 12-14-2015, 05:59 PM   #29
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There are cleaners here who use some advanced process with air jets to remove muck without physical scrubbing. Once you scrub the a/f paint I think the stuff is doomed. Our TF resident bottom cleaner commented on the air jet process last time this came up, maybe it`s more prevalent now as a method of cleaning without losing the paint.
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Old 12-14-2015, 06:06 PM   #30
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There are cleaners here who use some advanced process with air jets to remove muck without physical scrubbing. Once you scrub the a/f paint I think the stuff is doomed. Our TF resident bottom cleaner commented on the air jet process last time this came up, maybe it`s more prevalent now as a method of cleaning without losing the paint.
You can clean without "scrubbing". As to the air jets, I would be interested in an update as I haven't seen one in use.

One thing we're doing too is lumping the care of all bottoms together and there is a tremendous difference in care depending on your bottom paint. We've avoided ablative because we are in an area that requires more frequent cleaning than others.
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Old 12-14-2015, 07:38 PM   #31
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We don't scrub or use a Scotch Pad on the bottom as we do on the prop occasionally. We use a dry wall knife/scraper to clean the bottom. We're not racing and we seem to get more time out of our paint.
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Old 12-14-2015, 08:09 PM   #32
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I propose that the more often one takes their boat for an outing/cruise, the less bottom maintenance is needed.

Have my boat hauled annually for a power scrub, inspection, as well as zinc replacement and bottom-paint application/touch-up/propeller treatment as needed.

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Old 12-14-2015, 08:24 PM   #33
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The thing with bottom paint is unless you are comparing paint for the exact same location you are comparing apples and oranges. We had a hard bottom paint on the boat when we bought it. We were in Community Harbor near Tavernier in the Keys for 11 months, almost no growth at all. It did not need cleaning at all period. We moved to Boot Key Harbor just 50 miles away and literally there would be 2 inches thick of growth in 6 weeks. It was crazy. With the Coppercoat we would get some slime on the bottom but that was pretty much it.

I believe the coppercoat will work good anywhere if applied correctly. If I was going to use paint again I would talk to about every person that I could in the SAME harbor that I was going to keep the boat and see what they had success with.
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Old 12-14-2015, 09:07 PM   #34
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We were in Community Harbor near Tavernier in the Keys for 11 months, almost no growth at all. It did not need cleaning at all period. We moved to Boot Key Harbor just 50 miles away and literally there would be 2 inches thick of growth in 6 weeks. It was crazy. .
Any conclusion as to why the huge difference?
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Old 12-14-2015, 09:13 PM   #35
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Any conclusion as to why the huge difference?
Only a guess. There is a golf course next to the harbor. Local theory is all the fertilizers they use running off into the water. Boot Key Harbor has about 6' of visibility on a good day while in Community Harbor you could see a dime on the bottom of 6' water.
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Old 12-14-2015, 09:22 PM   #36
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It's important to use a paint with an anti slime component like Trinidad SR or Micron 66.
The "slime reduction" ingredient in Pettit Trinidad SR (Irgarol) is no longer available. Interlux Micron 66 never had such an ingredient. I thought you were a paint dealer- shouldn't you know this stuff?

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If you're going to get the boat scrubbed every month, why bother with bottom paint?
I suggest you give it a try and let us know how that works out for you.
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Old 12-14-2015, 09:31 PM   #37
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There are cleaners here who use some advanced process with air jets to remove muck without physical scrubbing.
I suspect you are referring to a cavitation cleaning system. There are several commercially available versions (CaviBlaster, CavitCleaner etc.) It is essentially a pressure washer with a special nozzle that creates cavitating "bubbles" of air and water in a "flame" that will clean pretty much anything off a submerged surface. It does not remove anti fouling paint. The downside is the bulkiness of the equipment and the cost. The smallest unit weighes in at something like 250 pounds and costs about $13,000U.S. I have rented them for use on special projects but it is really too much machine for pleasure craft maintenance and also out of reach financially for most hull cleaners.

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Once you scrub the a/f paint I think the stuff is doomed.
Well, that's just simply not true. In fact, relatively frequent (and therefore gentle) cleanings will extend the useful life of your anti fouling paint, quite dramatically in fact.
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Old 12-14-2015, 10:12 PM   #38
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Well, that's just simply not true. In fact, relatively frequent (and therefore gentle) cleanings will extend the useful life of your anti fouling paint, quite dramatically in fact.
That's the part being missed. When we say frequent cleanings, we're not talking scrubbing. All our cleanings are gentle. It's like saying if you wash down your hull and deck, you're reducing their life. If you do it on a timely basis, you never have to scrub hard or use anything harsh. You simply wipe it clean.

Growth on your hull will cause you to need more frequent painting.
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Old 12-14-2015, 10:33 PM   #39
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I can see that hard a/f should be fine with vigorous cleaning, but ablative? I`ve seen it come off in clouds of color, and after that re-fouling seemed quick. Maybe the a/f was at its effective end anyway, but that`s my experience.
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Old 12-14-2015, 10:37 PM   #40
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I can see that hard a/f should be fine with vigorous cleaning, but ablative? I`ve seen it come off in clouds of color, and after that re-fouling seemed quick.
Gentle cleaning, not vigorous cleaning. If paint in good condition requires more than a piece of carpet or a white pad to clean it, you've waited too long and will be removing paint unnecessarily.

It ain't rocket science folks.
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