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Old 09-26-2020, 08:07 AM   #1
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City: Little Gasparilla Island, FL
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Copper pieces in the chilller strainer

We keep our ST50 in the Florida Gulf Coast. I battle constantly with the marine growth the believes my chiller strainer to be the ideal place to start a new home. After a number of months of cleaning it out every other week, I was told that puting bromine tablets in there will reduce the growth. Bingo! I still cleaned it every 2 weeks but the growth was almost nil.

Yesterday I had a guy working in the chiller system, and while the system was off I thought Id clean the strainer. When I mentioned that I need to got more bromine, he told me that bromine would cause significant corrosion internally (which I guess makes sense) and that I should put cut up pieces of copper pipe in there. I know copper is used in bottom paint to keep the growth down, so at first I thought that was a great idea but I got to thinking about corrosion and dissimilar metals.

Has anyone tried this? Any ideas what I can expect? Any help greatly appreciated
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Old 09-26-2020, 01:42 PM   #2
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I use 1/2 copper elbows, purchased by the bag at big box store
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Old 09-26-2020, 03:16 PM   #3
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That's good thinking, Terry. I bought a length of pipe and cut it up, but elbows are much more logical. Has it been working for you?
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Old 09-26-2020, 07:44 PM   #4
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Good the last 7 years
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