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06-05-2019, 01:20 PM
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#1
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Guru
Join Date: Dec 2007
Posts: 3,821
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Water leak dye.
Looking for a DIY leak detector dye to find a water leak in my head/holding tank area. Perhaps some water-based paint?
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06-05-2019, 01:52 PM
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#2
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Guru
City: Powell River, BC
Vessel Name: Northern Spy
Vessel Model: Nordic Tug 26
Join Date: Feb 2012
Posts: 3,827
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You can buy water dye in liquid or tablet form. Used in public works application. I actually have some tablets from my past tracing underground storm drain tie-ins to outfalls. Probably the same stuff they use in holding tank overboard detection.
Ask a public works guy. Got mine from Acklands-Grainger.
For low volume, could use food coloring at a high dose.
Can also buy a cheap UV flashlight which might help with some color detection.
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06-05-2019, 01:52 PM
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#3
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Guru
City: Au Gres, MI
Vessel Name: Never Say Never
Vessel Model: President 41 DC
Join Date: Jul 2015
Posts: 10,716
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What type of water leak are you having? Is this rain water leaking in or head water leaking out of the system? Depending on what type of leak you have depends what to use to help find it.
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06-05-2019, 01:54 PM
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#4
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Guru
City: Powell River, BC
Vessel Name: Northern Spy
Vessel Model: Nordic Tug 26
Join Date: Feb 2012
Posts: 3,827
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Good point. I was thinking plumbing.
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06-05-2019, 02:30 PM
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#5
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Guru
City: Au Gres, MI
Vessel Name: Never Say Never
Vessel Model: President 41 DC
Join Date: Jul 2015
Posts: 10,716
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I was thinking maybe the head system.
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06-05-2019, 03:33 PM
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#6
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Guru
City: Gig Harbor
Vessel Name: Sandpiper
Vessel Model: Bluewater 40 Pilothouse Trawler
Join Date: Nov 2012
Posts: 2,261
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What kind of toilet?
What is holding tank made of?
Connections with hoses, PVC pipe or combination?
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06-05-2019, 04:03 PM
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#7
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Guru
City: Everett
Vessel Name: Triton
Vessel Model: 48' Golden Egg Harbor
Join Date: May 2019
Posts: 505
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06-05-2019, 05:24 PM
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#8
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Guru
City: Bethesda, MD
Vessel Name: Solstice
Vessel Model: Grand Banks 47 Eastbay FB
Join Date: Feb 2018
Posts: 1,474
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The trouble with dyes is then you have a clean up job in addition to fixing the leak.
I find it helpful to use strategically placed bits of paper towel or tissue. Taped in place, if movement is an issue. They'll deform when they absorb water, making for an obvious marker. Then use the remaining dry part to swab up the rest. Brown paper towel also works. But stuff like colored construction paper should be avoided as most aren't colorfast, leading back to the original clean up problem.
__________________
-- Bill Kearney
2005 Eastbay 47 FB - Solstice
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06-06-2019, 05:35 AM
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#9
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Guru
City: Ft Pierce
Vessel Name: Freedom
Vessel Model: Albin 40
Join Date: Oct 2011
Posts: 22,932
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From a trusted advisor...
"NAPA, Walmart, they sell flourescent dye for tracing coolant leaks. Track with little UV flashlight.
https://www.napaonline.com/en/p/BK_7652663 "
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