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Old 26-02-2014, 22:55   #1
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Leak Detection Tablets in Water Tank

Is it safe to use the florescent dyes in the water tank to check for leaks, assuming you empty the tanks after use?
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Old 27-02-2014, 05:55   #2
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Re: Leak Detection Tablets in Water Tank

Some dyes are certified under ANSI/NSF Standards 60/61 for use in potable water; some are not.
Read the label of the specific product.
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Old 27-02-2014, 06:17   #3
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Re: Leak Detection Tablets in Water Tank

Why not just use some food coloring? Test to make sure it won't stain any fiberglass/gelcoat first though!
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Old 27-02-2014, 06:47   #4
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Re: Leak Detection Tablets in Water Tank

+1 for food dye!!
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Old 27-02-2014, 07:20   #5
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Re: Leak Detection Tablets in Water Tank

Much less dye is needed when you use UV and a blacklight, compared to pouring in a pint [sic] of food coloring. The telltale glow from UV stains is also much easier to see and recognize in dark spaces.
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Old 27-02-2014, 08:34   #6
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Re: Leak Detection Tablets in Water Tank

i have been able to find leaks without dyes or other means.... usually is a wet place near the leaking thing....
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Old 27-02-2014, 08:41   #7
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Re: Leak Detection Tablets in Water Tank

We have traced the water to one of three causes, all which are right next to each other: Water from the mast, water from the tank, or condensation... I ruled out anything from the holding tank because it doesn't smell at all and is clear. It may be a combination of all three things but probably not the holding tank because that sits "downhill" from where the water sits.

In an unrelated area, I did find water in a storage section in the middle of the boat that is completely sealed by fiberglass except for an access port at the top, and has no hosing, no penetrations at all. We cleaned that out and have not had a problem since, so I am leaning towards condensation for that area.
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Old 27-02-2014, 11:10   #8
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Re: Leak Detection Tablets in Water Tank

The other option is paper towels. Wrap any suspect hose with towel, towel under source of condensation and have a nap.

Whatever towel is wet is the source. If none then rain related.
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Old 06-03-2014, 10:33   #9
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Re: Leak Detection Tablets in Water Tank

I traced the leak to a leaking inspection plate.
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Old 07-03-2014, 09:35   #10
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Re: Leak Detection Tablets in Water Tank

Quote:
Originally Posted by zboss View Post
I traced the leak to a leaking inspection plate.
What did you finally use to trace it?
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Old 07-03-2014, 09:54   #11
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Re: Leak Detection Tablets in Water Tank

Quote:
Originally Posted by zeehag View Post
i have been able to find leaks without dyes or other means.... usually is a wet place near the leaking thing....
I'm rollin!
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Old 07-03-2014, 21:19   #12
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Re: Leak Detection Tablets in Water Tank

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Originally Posted by SVTatia View Post
What did you finally use to trace it?
We filled the tank with water and followed zee-hags advise

Seriously... filled and noticed that the water came out the top around the inspection plate. Not usually a problem unless we are sailing or bouncing around with a full-ish tank.
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