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Aquattro 07-15-2003 06:36 AM

Bryan, I threaded and glues the fitting in place. The tube is only 1/8", so threading alone wouldn't be enough. My last reactor just got glued without threading the hole.

sumpfinfishe 07-15-2003 08:56 AM

Great craftsmanship there Brad :cool:
So I guess you have been pretty busy building stuff, did you manage to have any parts leftover for a skimmer by chance :razz:
Oh yeah, I wanted to mention that I think one of your wingnuts is slightly off center by half a mil :mrgreen:

cheers, Rich

Bryan 07-15-2003 05:31 PM

Quote:

Originally Posted by reef_raf
Bryan, I threaded and glues the fitting in place. The tube is only 1/8", so threading alone wouldn't be enough. My last reactor just got glued without threading the hole.

I am leery of trusting threads in material 1/8" thick even with glue. In my experience they can be prone to leaks if they get bumped around. I think I will build a "n" shaped box and mount the inlet from the bottm using a bulkhead fitting. takes some off the height but gives me piece of mind.

ldzielak 07-15-2003 09:19 PM

Bryan,

What I did with my fitting is place sand paper on the out side of the acrylic, and shape a PVC fitting to match the out side diameter. Then did the same with another fitting and matched it to the inside diameter. Then with a short piece of PVC pipe, I sanwiched the acrylic between the 2 fittings. The hole through the acrylic was a tight fit this the PVC pipe through it. This gives me huge surface area and strength. Has not failled me yet, 1.5 years and counting.

Lee

Doug 07-15-2003 09:21 PM

Brad, what size is that one. I am just firing up my new 6in. by 18in. model. I have a 4in. second stage I was thinking of using, but like you, I think its almost not needed. ? Mine holds about a jar and a half of ARM.

Aquattro 07-15-2003 10:06 PM

Doug, mine is 6 x ~21, hold 1.75 jars of ARM. I see no reason to add a second chamber. My pH is fine (I also drip kalk) and CO2 is cheap here.

Bryan 07-15-2003 10:08 PM

You mean grind the pvc fitting with the sandpaper to match the curve of the cylinder tube?

Quote:

Originally Posted by ldzielak
Bryan,

What I did with my fitting is place sand paper on the out side of the acrylic, and shape a PVC fitting to match the out side diameter. Then did the same with another fitting and matched it to the inside diameter. Then with a short piece of PVC pipe, I sanwiched the acrylic between the 2 fittings. The hole through the acrylic was a tight fit this the PVC pipe through it. This gives me huge surface area and strength. Has not failled me yet, 1.5 years and counting.

Lee


ldzielak 07-15-2003 10:23 PM

Doug,

I have a 6" x 18" and a 4" x 18 second chamber. I checked my pH with my probe, I see no difference from the second stage.

Bryan,

Yes I ground 2 fittings for the inside and out side.

Lee

Doug 07-15-2003 10:40 PM

Perhaps I will take the second stage out then. Never liked it there anyways. :biggrin:


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