A local, avid Soverel 33 racer built a boat sized underwater enclosure (float at top, weighted at bottom) into his Shilshole Bay Marina slip. After a race he will pour a little bleach into the enclosure to reduce marine growth. I'm not sure if the bleach or if the controlled environment (less light and nutrients) is the more effective element of this strategy.
Getting in and out of the enclosure is troublesome but he swears by the effectiveness. Based on his light air racing success he may be on to something. Martin Calypso 1970 C&C 43 Seattle ________________________________ From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Bill Coleman Sent: Wednesday, January 09, 2013 8:15 AM To: cnc-list@cnc-list.com Subject: Re: Stus-List Prop Mussel Farm Here in Erie When the Zebra Mussels first came on strong, they were a huge problem for the water authority, now the inject Chlorine at the intake, then remove it with carbon at the plant, at least that is my understanding of it. Chlorine is something I don't mess with anymore. I put a pellet in my Shurflo refrigeration strainer and it ate the 316 SS 50 micron mesh right up! Now I use Moth Balls. They don't allow any growth in the strainer, but unfortunately they do allow the fry to pass downstream. I would suggest grinding up moth balls into a powder and mixing them up into your favorite bottom paint. May not work, but - it can't hurt, there're inert! Bill Coleman C&C 39 [animated_favicon1] Martin, In answer to your last question, What do the local power generation and utilities use to keep intake and discharges clear? The answer is divers!! Nothing else will keep some intakes clear, no matter what coating or treatment is used. Jake Jake Brodersen C&C 35 Mk-III Midnight Mistress Hampton VA -----Original Message----- From: CnC-List [mailto:cnc-list-boun...@cnc-list.com<mailto:cnc-list-boun...@cnc-list.com>] On Behalf Of Martin DeYoung Sent: Monday, January 07, 2013 8:18 PM To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> Subject: Re: Stus-List Prop Mussel Farm I suspect that the broad difference in prop anti fouling coating performance relates to the way sea creatures attach to the prop. Here in the PNW, at Shilshole Bay Marina, barnacles are the problem not mussels. Even when the zinc paint is wearing out a light brush will remove any that remain after applying power to the prop for a few minutes. The zinc paint seems to kill the barnacles or at least prevent them from attaching to the coating. IIRC mussels attach with a self created fiber. Barnacles seem to grow onto the substrate with a softer foot or base which may be easier to poison. What do the local power generation and utilities use to keep intake and discharges clear? Martin Calypso 1970 C&C 43 Seattle _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com<http://www.cncphotoalbum.com/> CnC-List@cnc-list.com<mailto:CnC-List@cnc-list.com>
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