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Old 07-02-2015, 09:20 AM   #21
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All I can say Larry is that I easily noticed a difference after I went with the copper pipe.
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Old 07-02-2015, 10:05 AM   #22
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Copper is in bottom paint after all.
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Old 07-02-2015, 10:12 AM   #23
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copper based paints are banned in WA state and a few others...
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Old 07-02-2015, 10:35 AM   #24
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copper based paints are banned in WA state and a few others...
But what about copper pipe?
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Old 07-02-2015, 11:09 AM   #25
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But what about copper pipe?
Seriously, how could copper pipe be banned or policed? "Hey Joe, call the underwater EPA. Methinks Harry has copper pipe or pennies in his sea strainers."
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Old 07-02-2015, 11:56 AM   #26
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How about this....heard it. Round Up added to the bottom paint to handle the plant growth???
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Old 07-02-2015, 12:01 PM   #27
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Have to lend a bit of support to Larry in that stuff may not grow on the pipe..but the whole system?


Saying bottom paint has copper in it as a comparison...well wouldn't that be like saying my bottom paint will keep the stuff from growing on the dock/pilings? Which it doesn't....heck it doesn't stop it 1 inch away on the rudder, etc.


And bottom paint is designed to leach...I don't think copper pipe and pennies are.


But unlike some around here...just because it's hard for me to believe it is that effective...I would take many on heres word for it and give it a try...what can it hurt?


Chlorine and bromine tablets I might shy away from...but simple copper that I drink out of it...can't hurt to do my own experiment.
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Old 07-02-2015, 12:28 PM   #28
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"How does copper get into my drinking water?
The major sources of copper in drinking water are corrosion of household plumbing systems; and erosion of natural deposits. Copper enters the water (“leaches”) through contact with the plumbing. Copper leaches into water through corrosion – a dissolving or wearing away of metal caused by a chemical reaction between water and your plumbing. Copper can leach into water primarily from pipes, but fixtures and faucets (brass), and fittings can also be a source. The amount of copper in your water also depends on the types and amounts of minerals in the water, how long the water stays in the pipes, the amount of wear in the pipes, the water’s acidity and its temperature."
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Old 07-02-2015, 01:02 PM   #29
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If you recall my post, I said it messed up invertebrates which people are not. It messes up shell fish, and is a required trace element in our bodies.

They banned it as part of bottom paints. The IMO treaties require no Biocides be added to a bottom paint since it kills what attaches to a bottom and tends to leach out into the water around the boat(s).
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Old 07-03-2015, 06:57 AM   #30
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"They banned it as part of bottom paints."

When I read many cans of bottom paint the copper content is still listed. 30% +

Did someone forget to inform the bottom paint mfg folks?
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Old 07-03-2015, 07:00 AM   #31
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FF, you must not be in Washington state or others that have banned the use of copper bottom paint on recreational boats... Work boats are still allowed to leach copper into the water, killing the crabs they are trying to catch, after all killing crabs is their ultimate goal...

Washington state bans copper bottom paint | Trade Only Today
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Old 07-03-2015, 07:31 AM   #32
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Quote:
Originally Posted by stubones99 View Post
If you recall my post, I said it messed up invertebrates which people are not. It messes up shell fish, and is a required trace element in our bodies.

They banned it as part of bottom paints. The IMO treaties require no Biocides be added to a bottom paint since it kills what attaches to a bottom and tends to leach out into the water around the boat(s).
Nobody told West Marine or Peddit that copper was banned. I bought Peddit water based for my dinghy last week with Over 50% copper last week. Tin is the one that is banned.
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Old 07-03-2015, 07:34 AM   #33
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Most of the bans in other states (Not Florida) have not gone into effect yet. I think the WA state ban starts phasing in next year.
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Old 07-03-2015, 07:54 AM   #34
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Under the law, no new boats with copper-based bottom paint can be sold in Washington state after Jan. 1, 2018, and no paint with more than 0.5 percent copper can be used on recreational boats as of 2020. The law applies to recreational boats 65 feet and under
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