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Leaky Loop. A Good Thing? - Page 3

post #21 of 31
Quote:
Originally Posted by UrbanSmooth View Post
EASILY, man!

This is one of MANY videos/tuts, etc that will prove that CF's are the.........best!

http://www.youtube.com/watch?v=htJKdFyo_PA
That's pretty biased. If you want your business to make money are you going to sell cheap barbs and worm/zip ties, or expensive compression fittings?
*edit*
After watching the video for 12mins all he really says is that maintenance is easier on compression fittings. He never says that they're more secure.
Edited by Taylorsci - 5/4/11 at 8:23pm
post #22 of 31
Quote:
Originally Posted by MrJackson View Post
I'd have to agree, especially in this case as it was the connection between the block and the barb that was leaking. Both barbs and comp fittings use the exact same connection at this point.
Congrats for being the only one to actually get the point here. Guys, the leak was on the thread, not the hose connection.

OP, Teflon tape isn't needed so long as your fitting has an o-ring, but feel free to use it if it gives you piece of mind. Just be sure to wind it counter clockwise, so that as you screw the thread in it doesn't unwind it.

Tighten the fitting by hand, then give it a quarter turn with a wrench. No need to go nuts.

Oh, and UrbanSmooth, posting a video of a retailer telling you that the more expensive items are better than the cheaper options doesn't really prove anything, other than that he wants to make money.
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post #23 of 31
UrbanSmooth, it has been said time and time again by reliable people on these forums, who are known for their experience with water cooling, that compression and barbs have the same functionality and risk of leaking, the only difference being aesthetics. I'm going to go with what they say about it, and I recommend OP to do the same. No need to spend any more cash on compression fittings.
post #24 of 31
Quote:
Originally Posted by SupaSupra View Post
I use hot glue to connect my tubing to my blocks, is that bad?
I do this too, its better than both compression and barb fittings.
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post #25 of 31
Thread Starter 
The leaks were at the o-ring contact point. I used an open end wrench. If anything I think I compressed them too much. The leaks didn't appear to be from around the tubing just at the base where the o-rings touch the blocks.
There's no telling how long they may have been sitting on the store shelf. Can they dry rot and can they be replaced? All the barbs used are 1/2" Bitspower Black Sparkle. I bought 2 dozen from Frozen CPU for $1.00@ on March 16th. Now they cost $3.49@. I must really have got hold of some old stock!
I just looked at my other barbs. On some of them the o-rings are below the contact surface like the counter-sink was made too deep. I bet the o-rings have the wrong cross-section thickness or diameter. I'd best check with Frozen CPU and see about some replacement o-rings. Maybe they can at least find out what the correct size they are.
Thanks for the posts everybody!
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post #26 of 31
Replacing the o-rings might be a good place to start. They are cheap and usually a standard size, but to be sure you can get the Bitspower ones here.

It is entirely possible that they have perished from sitting on the shelf, depending on how they were stored. If you have over tightened your fittings then you will have to replace them anyway, remember, just a 1/4 turn after they are finger tight is enough.
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post #27 of 31
Quote:
Originally Posted by UrbanSmooth View Post
It's obviously worth the "investment," as some cheapskate would say.

Teflon tape....come on, man.
If you actually know how to use teflon tape and not be a tool with it, it can work perfectly (especially when o-rings don't wanna do their job). It's when people are idiots with it that you hear about problems.

And I don't get how this stops a block from leaking. Compression fittings thread into the block too! Oh wait comp fittings are magical.

Back to the topic, o-rings dry out. Even if they're the magical silicone type. Best way to keep em fresh is with a bit of lube. I use this o-ring lube (from my pool supply store) on my stock of o-rings and they stay nice and ready for use. Even then though, they can go sour and have hairline cracks in em that'll let them leak. Then it's just time to replace em. I don't like to let them sit for more than 6 months in open air. Just my 2 cents.
Edited by MediaRocker - 5/4/11 at 11:51pm
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post #28 of 31
Quote:
Originally Posted by UrbanSmooth View Post
It's obviously worth the "investment," as some cheapskate would say.

Teflon tape....come on, man.

I totally agree on this 100% - it's worth the money, brothers and sisters! Think about the amount you'll lose and the hassle of cleaning up (if not burned) the components is not worth to trade for the price of these compression fittings.

This is my first time in water cooling and mistake is given but using these compression fittings made it easier. Honestly, I just did the leak test for 30 mins (I know I know it should be 24 hours) - GOT BORED and fired the system up. It's been 3 days now - no leak and I don't think it will.

The only problem now are these tiny bubbles. Just got rid of those big ones but the tiny ones stays - hoping they go away soon!
Edited by _s3v3n_ - 5/5/11 at 1:41pm
post #29 of 31
Quote:
Originally Posted by UrbanSmooth View Post
It's obviously worth the "investment," as some cheapskate would say.

Teflon tape....come on, man.
Yup, compression fittings ftw! Seriously... if you can afford to WC you can afford compression fittings. Once you purchase clamps for barbs they're almost the same cost as compression fittings. Running clampless is stupid and we've all seen the results many times after the tubing heats up in some systems that don't have adequate cooling.

All of you people using wrenches are crazy... there's something called "over tightening". Just need to hand tighten.
 
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post #30 of 31
Thread Starter 
@GingerJohn: Thank you for the link! I'm usually quite good at searching but I completely missed these somehow. I'm ordering a couple packs of these immediately.
Thanks again to everybody else who posted. I'm sticking with clamps and barbs for this build and saving my set of compressions for the next. I'm also using teflon tape. It's cheap, I know exactly how to use it and it can't possibly hurt anything. I'm using the tape that's made for LP tanks and tubing, not plumbers tape. Besides that, it's already been applied and I ain't removing it.
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