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Old 06-02-2013, 12:27 AM   #61
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Shouldn't shifting one's boat between fresh and salt water help get rid of boat-bottom flora and fauna? That's possible in the San Francisco estuary.
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Old 06-02-2013, 12:31 AM   #62
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Shouldn't shifting one's boat between fresh and salt water help get rid of boat-bottom flora and fauna? That's possible in the San Francisco estuary.
I have seen that to be extremely effective. Not particularly convenient, but effective.
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Old 06-02-2013, 12:39 AM   #63
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I have seen that to be extremely effective. Not particularly convenient, but effective.
But it a good excuse to travel from the Bay to the Delta and the reverse.
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Old 06-02-2013, 01:14 AM   #64
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But it a good excuse to travel from the Bay to the Delta and the reverse.

Perhaps. But I suspect the fuel alone would far outweigh the cost of simply having a diver come to your slip and clean the hull.
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Old 06-02-2013, 01:19 AM   #65
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Yes, I suppose the least expensive use of one's boat is to keep it at berth, not considering the engine(s) health.
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Old 06-02-2013, 01:23 AM   #66
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Yes, I suppose the least expensive use of one's boat is to keep it at berth, not considering the engine(s) health.
Nice try, but that's not what I said.
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Old 06-02-2013, 01:33 AM   #67
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Bottom Line - We Need to Keep the Bottom Fine!

There's a logo for ya fb!!

Good Luck... and thanks for your experienced input.
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Old 06-02-2013, 01:36 AM   #68
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Bottom Line - We Need to Keep the Bottom Fine!

There's a logo for ya fb!!

Good Luck... and thanks for your experienced input.
Thanks. Don't quit your day job, but thanks.
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Old 06-02-2013, 02:41 AM   #69
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Our first haul out was this morning. Interesting morning for sure! Had to zigzag around boats in tight quarters to get to the boat launch, then waited to see what the bottom looked like. Fuzzy for sure, but no blisters, no damage, and only some loose flaking paint sections to deal with. Phew!!!

The next couple days will be far from lazy...
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Old 06-02-2013, 09:05 PM   #70
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If you want me to say publicly what I add to Trinidad SR bottom paint, I will right here.

I get Roundup concentrate and add 4 oz per gallon of paint. First i take the paint to a paint store and have them shake it right before I go to the haulout. Then I pour that into a plastic bucket and add the roundup. It turns milky for a few seconds as it mixes in but it mixes well in the oil based paint.

I wear long sleeves, cover my head and neck, wear a charcoal breather and roll away on my bottom. It's nasty stuff but it drys well in a few hours and stays in the paint. It won't come off into the water unless you are cleaning the bottom which really isn't necessary unless your boat sits at the dock.

Boats in Cabo San Lucas do this and they don't have a bottom cleaning service. They paint on 5 year intervals. These are fishing charter boats there so they stay busy.

If you've been to Cabo you know that your boat sitting in the water for two weeks and you'll probably need a cleaning. It's warm 80 degree water and full of life.
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Old 06-02-2013, 09:08 PM   #71
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I also add cayenne pepper despite what was said above, it works but what happens to cayenne is it goes to the surface of the paint so after a few cleanings it's gone. This is an additive that if you are using a bottom cleaning service, you should ask him to use the lightest touch and not scrub just wipe.
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Old 06-02-2013, 10:10 PM   #72
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I am new here but what I consistently see here is a man defending his livelihood as a diver. Thats fine but please don't denigrate stuff people do that, by personal experience, works. I for one will be using the above recipe when I next haul out.
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Old 06-02-2013, 10:40 PM   #73
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If your bottom paint fails due to additives that aren't even remotely supposed to be added to paint...can't really expect the company to step up and help resolve your problem.

I would do some test panels before I did my boat just to verify "internet" recipes.
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Old 06-03-2013, 12:32 AM   #74
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I am new here but what I consistently see here is a man defending his livelihood as a diver.
No, what you see here is an experienced marine industry professional who knows he's talking about. In almost 19 years and over 20,000 hulls cleaned, I've seen and heard just about every hairbrained anti fouling "magic bullet" there is. Pepper paint is as old as dust and equally effective at retarding growth. There is zero evidence to the contrary, anecdotes from boaters who have never cleaned a bottom in their lives notwithstanding. Again, if it was effective, it would be commercially available. Ask your local anti fouling paint sales rep why it isn't. He'll laugh at you.

As far as Roundup goes, it is an herbicide that is formulated to kill weeds by being absorbed through foliage. In addition, it is not a pre-emergence herbicide, meaning it is only effective against already growing plants. It does not stop new ones from developing. So not only is it not designed to kill the stuff that forms the basis of the fouling progression (algae and bacteria), it only works on plants that have already grown. No anti fouling benefit there. And let's not even get into how douchey it is to intentionally introduce a controversial herbicide that is intended for agriculture into our fragile marine environments. That's some real third-world thinking, right up there with using TbT-based paints.
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Old 06-03-2013, 06:31 AM   #75
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The folks with the biggest interest in bottom paint is the folks that loose $50,000 a day in billings when the boat 700-1000ft long is hauled.

Sadly their paint is of little use for us as most of the boats travel constantly at good speed (12K to 20K) to help clean the bottom.
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Old 06-03-2013, 06:54 AM   #76
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This is the worse I've seen on a ship despite infrequent bottom painting in the industry.

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Old 06-03-2013, 08:43 AM   #77
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Well...all that 'science' notwithstanding perhaps we will just have to agree to disagree.

Anyone tried adding readily available Copper Sulphate to increase the copper % in the paint ?
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Old 06-03-2013, 09:52 AM   #78
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Well...all that 'science' notwithstanding...
Yeah, that's cute.


Look, it's your dime. I'm not diving your your boat so I'm not gonna be real concerned if you screw up your bottom paint. I'm just telling you the facts. You can choose to believe them or not. But you not believing them doesn't make them untrue.
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Old 06-03-2013, 09:56 AM   #79
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Thankyou ! Long arsed time since I have been accused of being cute!
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Old 06-03-2013, 10:03 AM   #80
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Just to finish the photo sequence in post #69;
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