How long do you run your protein skimmer?

24/7 except when I:

  1. clean my skimmer's cup;
  2. dose phytoplankton;

or

if I dose KZ ZEOzym in which case I turn off my skimmer for two hours.
 
I run mine 24/7 as well; however, I saw recently that some well respected people in the hobby turn it off for X hrs of the day.
 
While there are some tanks that do run completely w/out a skimmer, I see no advantages or reasons for shutting one off other than feeding or maintenance, and I don't even shut off for feeding.
24/7 here.
 

I asked the question b/c I recently watched a video on the American Reef channel, and Mike Palletta [?] stated the same thing - he runs his skimmer for 8 hrs or has it off 8 hrs (I can't remember).

If it is running 24/7, doesn't it pull trace elements out of the water as well?
 
Having a skimmer on at night oxygenates the water and helps to maintain PH stability which really helps our relatively small contained systems.
I can't imagine any benefit from turning off in the daytime.
Usually we see people wanting to shut down at night for various reasons, other than quiet sleepy time and a small hint of energy savings it really does not benefit us IMO
Yes I'm sure it skims those 8 hours but you are not gaining all benefits from using your skimmer.
 
18 hrs on / 6 hrs off. But I keep the air injection going. I just shut down the circulation so no skimming occurs.
 
Would there not be some benefit to corals in allowing nutrients to accumulate occasionally by switching the skimmer off for an hour or two?
In the low-nutrient natural reef environment occasional upwellings of nutritents flush the reef and I understand this is an important contributor of coral nutrition.
I haven't tried it but I'm tempted to... any thoughts on this?
 
I asked the question b/c I recently watched a video on the American Reef channel, and Mike Palletta [?] stated the same thing - he runs his skimmer for 8 hrs or has it off 8 hrs (I can't remember).

If it is running 24/7, doesn't it pull trace elements out of the water as well?

No it doesn't pull out trace elements. I does oxygenate the water and pull out organics ie: deatrus.
 
Would there not be some benefit to corals in allowing nutrients to accumulate occasionally by switching the skimmer off for an hour or two?
In the low-nutrient natural reef environment occasional upwellings of nutritents flush the reef and I understand this is an important contributor of coral nutrition.
I haven't tried it but I'm tempted to... any thoughts on this?

The way I see it, a skimmer is not pulling out 100% of the nutrients.
I think I read the most it can pull is around 30%?
It's just one tool we use to keep nutrients in check.
So I really don't see any nutrient benefit in shutting it down for a few hours.
 
Haha. I just read this thread and remembered I had a dream about a massively elaborate skimmer. It was on a 1000 gallon or something like that. The sim mate it was making was like foam. It was nuts.
 
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