Did you know that airline tubing stiffens with age?

Danny-O

Danny-O

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Mar 4, 2006
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Pittsburgh, PA
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I didn't until today. I had to disassemble some today (part of my old-skool UGF) temporarily during a deep cleaning of the lid. When I went to put it back together, it wouldn't go! I surely didn't remember it being this hard to work with when I set it up originally. Finally the light dawned...after a blister. I snipped off the stiff ends and was back in business.
:duh:
 
Yup. There is a silicone tubing you can buy that isn't suppose to get brittle like the plastic. I haven't used it long enough to test it. Lol


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dbosman said:
Silicone tubing oxidizes and gets hard too - if it's under water.
The lines to the tank stay flexible a lot longer than vinyl.
Click to expand...

Thank you. That's good to know and makes sense. Hmmm...I wonder why they don't put that on the packaging. lol
 
Ultraviolet light does it to vinyl in about a month. What I do with my overly stiff tubing is snip off the part causing the problem, then splice in a fresh piece. The stuff away from the lights seems to last for years.
 
yup...it does that...I just make my airlines extra long so i can slice the ends off when needed.

I bought some black airline probably Lee's Stealth...it stays flexible a lot longer.
 
actually that is kindof funny, i just moved an airstone for the first time in close to a year and it held the shape so well that i was just able to hang it in my closet by the stiff hooked end where it hooked up to the control valve.
 
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