OC lines ??

[aquablizz]

Occasionally I see forum members referring to "OC line".

Can someone tell me what that is referring to... I would think they are referring to output lines feeding back to the main display tank but not really sure if that's the case.

Blizz

 

[cromag27 Verified Sponsor]

Have no idea. can you reference a thread where that term is used?

 

[ksfulk]

If this is in reference to corals, I have heard a few people use the acronym OC to refer to Original Collector when dealing with named lineages of certain coral.

 

[Squadir]

I think you may be referring to LOC line. It's mostly used on return plumbing and is a 'flexible' type line so can be adjusted to your needs.

 

[aquablizz]

this is a link to the thread that I recently saw the "OC" being used..

https://www.reef2reef.com/threads/gulp-am-i-in-over-my-head.238042/#post-3196561

 

[Squadir]

oh... my bad lol.
I have no idea what that is

 

[alyee5]

Yes..OC = open channel....just a straight tube in the overflow...no fittings on top...used as the last emergency drain for redundancy...

 

[alyee5]

Correction...the Open channel is not the emergency drain...it's the one with the air line tubing--this normally has a trickle, but if the main siphon gets clogged the water level will rise up in the overflow and the airline will eventually be underwater causing the open channel to create a siphon and keep the tank from overflowing......I'm not sure what the guy in the post above was talking about

 

[cromag27 Verified Sponsor]

Open channelise a drain tube that allows both water and air to enter. a full siphon is just water, and is much more efficient. open channels can handle low water flow and can be noisy due to the air entering it.