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Mark Peterson 
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 Topic: Bulkhead vs. Uniseal
Posted: November 23 2006 at 9:30pm |
Who has used these and what has your experience been?
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jfinch
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Posted: November 23 2006 at 9:35pm |
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I've used them and they have worked just fine. It takes some force to push the pipe through the seal so you need to use your other hand to support the back side of the glass/acrylic. Otherwise you'll run the risk of cracking or braking the glass/acrylic.
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Bryguy514
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Posted: November 24 2006 at 12:23pm |
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Ive used them before also I still have a couple I plan on making my skimmer a reciruculating skimmer if I ever get the ambition.
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DaveB
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Posted: November 25 2006 at 1:31am |
Uniseals are GREAT when used the way they are intended. They are intended to be used where a bulkhead can not get a good seal for whatever reaon.
I used them in some 55 gallon plastic drums for water storage. Plumbed with uniseals for filling and draining. Worked great..
I have used them several times to do Protein Skimmer Modifications, again, they work beautifully.
I have never used them when I could get a good seal with a bulkhead though. I would always choose a bulkhead if the application works. Good seal, room to plumb, etc..
But for some uses, there is nothing better than a Uniseal.
Dave
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Bryguy514
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Posted: December 03 2006 at 4:17pm |
I found these on the internet they look pretty useful.
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Deep Pitt
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Posted: December 04 2006 at 9:35am |
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So, how does one get the pipe back out of the uniseal? Do you just pull hard, twist, or is there a lip you push on similar to a JG fitting?
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John
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Lyscer
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Posted: December 04 2006 at 10:49am |
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I just did a recirculating mod on my skimmer using a uniseal and it works wonderfully. I don't know if it leaks water or not because it is submerged but it does not release any air bubbles from the skimmer.
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Redrock
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Posted: December 19 2006 at 11:56pm |
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Hey I was just perusing and remember I had read this thread. Since that time I have had occasion to use a couple of uniseals and they do work pretty well. If I can figure out how to post a picture or two on here I'll show ya . . . .
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Redrock
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Posted: December 20 2006 at 9:53am |
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Ok, took me a while but I think I can post these. The first one is of my skimmer showing the inlet and drain uniseals. The upper one worked great but I had to put silicon around the lower one to make it water tight. It might have been the steep curve of the hole in the 6-inch water column pipe.
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Redrock
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Posted: December 20 2006 at 10:02am |
Ok, took me a while but I think I can post these. The first one is of my skimmer showing the inlet and drain uniseals. The upper one worked great but I had to put silicone around the lower one to make it water tight. It might have been the steep curve of the hole in the 6-inch water column pipe.
Here's a close-up of the lower one with silicone. This skimmer was a first shot at working with acrylic and my first shot at building a skimmer. I had no idea what made a skimmer work and what didn't so I just tried to follow pictures I had seen and stuff I had read. The first time I tried to drill a hole in the round tubing it cracked so I had to scab a scrap piece of round plastic over the crack. Honestly it looks like crap but it works like a champ.
And here's the upper seal. This one doesn't leak but it is really under no pressure and it was the second one I installed so it went a little smoother. 
Sorry for all the crud in the collection cup for this picture, doesn't really show off the equipment that well.
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