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Old 10/13/2018, 05:23 PM   #1
Jyetman
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Plastic Barb Fittings failing

I thought they said at LFS this isn't suppose to happen plastic barb fittings last forever? So why did it?
https://www.dropbox.com/s/84w7nljl8i..._0198.jpg?dl=0
https://www.dropbox.com/s/l9qznrwouu..._0199.jpg?dl=0


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Old 10/13/2018, 07:46 PM   #2
davocean
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Weird, though I always use the black ones, not sure if those are different softer material.

Are you doing the hot water trick to slide hoses on?

I always soak my lines in hot water, makes them very pliable in seconds, very easy to slip on and I tend to oversize barb some so they are very tight, almost no need for clamps


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Old 10/13/2018, 08:07 PM   #3
sfdan
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I've used both the nylon ones (in your picture) and the PVC ones. The PVC ones (I've used white and gray) are certainly much beefier and I prefer them. Still though that is pretty strange, never seen that before.


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Old Yesterday, 06:11 AM   #4
billdogg
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What the heck are you doing to them? I've got similar fittings that are well over 25 years old that are still perfectly fine. It looks like you squished it with channel locks!


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Old Yesterday, 06:17 AM   #5
Jason9488
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Looks like operator error


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Old Yesterday, 10:00 AM   #6
davocean
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Quote:
Originally Posted by billdogg View Post
What the heck are you doing to them? I've got similar fittings that are well over 25 years old that are still perfectly fine. It looks like you squished it with channel locks!
Yeah I was thinking over clamping and crushing myself.


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There's a fine line between owning your tank and your tank owning you!

Current Tank Info: SCA 120g RR Starfire, Tunze silence 1073.02 return, 40g sump w/ fuge, SWC Extreme 160 cone skimmer,Geismann reflexx 4xT5, 2x Panorama Pro LED strips, Vortech MP40QD
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Old Yesterday, 03:02 PM   #7
skulls1075
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try to find pvc or abs barbs. much more heavy duty.


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Old Yesterday, 03:17 PM   #8
billdogg
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Quote:
Originally Posted by davocean View Post
Yeah I was thinking over clamping and crushing myself.

Definitely!

As for cleaning them, those in your picture are nylon and are, indeed, a little softer than either ABS (can be a bit brittle for my tastes) or PVC so you don't want to attack them with a wire brush! I just drop mine in a small container of muriatic acid for a couple seconds and then rinse under the tap. (outside only, with gloves and EYE PROTECTION)


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Current Tank Info: 120 mixed reef with 40b sump, ASM G2 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, no skimmer (yet)
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Old Yesterday, 04:19 PM   #9
Jyetman
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This is actually the second one. First one failed 5 years ago and both are from 2002 when my tank was new and used on a ball valve. I've tore down the tank once and set it up again 8 years ago never touched the attached hose since. I can understand a metal clamp crushing it but how can a simple nylon clamp its not strong enough?


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