Bill:

Fortunately, we don't have Zebra mussels on the Chesapeake Bay!  On my 
water-cooled air conditioner, I put a chlorine tablet (its about 1-inch in 
diameter and about 3/4-inch thick from a pool supply house) in the strainer 
basket each week--this seems to keep things from growing in the cooling water 
system.  Occasionally, the system sucks up a nettle (jellyfish) and I have to 
clean it out of the strainer.

Bob

Bob Boyer
S/V Rainy Days / Annapolis MD
1983 C&C Landfall 38 - Hull #230
email: dainyr...@icloud.com 
blog: dainyrays.blogspot.com

"There is nothing--absolutely nothing--half so much worth doing as simply 
messing about in boats."  --Kenneth Grahame

> On Aug 17, 2015, at 2:26 PM, Bill Coleman via CnC-List 
> <cnc-list@cnc-list.com> wrote:
> 
> Not sure where Joe is, but that would help.
> I just had to clean out my refrigeration system again - Zebra Mussels.
> There is nothing but brown scum in the strainer, because I have moth balls in 
> there, and nothing lives there anymore, but the Zebra fry pass right through 
> the 50 micron strainer and attach in the Shurflo pump, where all they have to 
> do is just sit there and let the water pass over them.  Apparently my monthly 
> flush of chlorine is not often enough.  I need to put some type of injector 
> in the line!
> 
> Bill Coleman
> C&C 39, Erie PA, Zebra Mussel Capitol.
> And Quagga mussel, and Gobbie Capitol.
> 
> 
> -----Original Message-----
> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Joe Scott 
> via CnC-List
> Sent: Sunday, August 16, 2015 4:58 PM
> To: CnClist
> Cc: Joe Scott
> Subject: Stus-List Atomic 4 Raw Water Intake Clogging 1976 38
> 
> Hey All,
> 
> Twice now I have developed clogs in the raw water intake.  In both cases I 
> was able to remove the water line and flush out whatever was in there.  There 
> is a 90 degree elbow threaded into the seacock and Im thinking thats where 
> its  clogging but I�m not sure.  I am in the process of adding a raw water 
> strainer (not sure why it didn�t have one) and was thinking that removing the 
> elbow and adding a straight nipple would help prevent the clogs.  While I�m 
> at it, does anyone have any recommendation on what strainer to buy?  I am 
> looking at the Groco ones but they have several different ones that all fit 
> 3/4� NPT.
> 
> Thanks all
> 
> Joe
> 
> 
> 
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