Wet vs. Dry Skimmate

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Skimmate - How do you like it?

  • Wet

    Votes: 50 47.6%
  • Dry

    Votes: 24 22.9%
  • I alternate

    Votes: 15 14.3%
  • I don't pay attention

    Votes: 16 15.2%
  • Other

    Votes: 0 0.0%

  • Total voters
    105
I still have this one on the tank, but it is not skimming very well. Can you get over the luck I've had with this set-up? LOL
 
I can tell you guys one thing that will make a skimmer go totally nuts, a filter sock, that is brand new and unrinsed. I guess it was another dumbass thing I did, but last night at around 1 in the morning, I decided to install a filtersock that I finally got, I have never used one of these before, and it seemed soo clean I just stuck it onto the drain pipe. Well almost instantly my skimmer started foaming like crazy, it literally filled up the cup in about 20 seconds w/ clear water. So I just turned it off and added a bag of carbon. In the afternoon today I started up the skimmer again, and even on the lowest setting it foamed like a mad thing. I am hoping by tomorrow it will be back to normal, and all my corals will be no worse for wear, I did notice about 2 mins after adding the sock and quickly removing it, that most all my corals had retracted all the polyps and were sliming quite a bit. They all looked fine today tho.
So the moral of the story is, go ahead and thoroughly rinse off those new fliter bags :D
 
Good point, Tom. I have experienced that same exact thing.....man, the foam about shot the lid off the cup it went so fast.
 
Well Nikki, that makes me feel a little better :D I could hardly believe how fast it all happened. My skimmer was going crazy within about 5 seconds, and it almost blew the lid right off my cup. How long did it take for your water to return to normal Nikki?
 
Oh gosh....it had happened several times - you'd think I would have learned my lesson (after all...I had 5 socks to go thru)....I'd say an hour or so.
 
If you soak the new sock in a mild solution of bleach and hot water it will remove the chemicals so they are not released into your tank causing skimmer and livestock to react. :)
 
For a skimmer to function maximally, the following things must take place:

1. A large amount of air/water interface must be generated.
2. Organic molecules must be driven to and/or allowed to collect at the air/water interface.
3. The bubbles forming this air/water interface must come together to form a foam.
4. The water in the foam must drain without the bubbles popping prematurely.
5. The drained foam must be separated from the bulk water, collected, and discarded.

Protein Skimming: How It Works

We've just discussed a couple of things that cause problems with number 4 in both directions.....stopping proper bubble formation and causing too many bubbles.

Proper bubble formation is important and I think this is where this topic needs to head. The bubbles typically keep collecting in the top of the riser tube and the water falls back down and goes back to the tank.

A lot of non-organic items are not bound to the bubbles by chemical reaction and those go back to the tank. Also heavier items like detritus are going to fall back down the riser tube and head back to the tank.

Wouldn't running a wet skimmate allow for mechanical filtration as well as chemical filtration? IMO, this is the best mechanical filtration available because there isn't a filter pad collecting rotting detritus that will raise phosphates and Nitrates.
 
I think even running a wet skimmer, you still need some mechanical removal. When I blast rocks etc.. I use a sock to catch as much loose stuff as I can get, when I clean the sock I then wash in a bleach & water mixture, then rinse again thoroughly, then I let hang dry, before going into the tank, I rinse with some RO/DI.
 
Good point Scott. Running wet isn't going to remove all of the particulate matter. It will remove more than dry skimming but not all of it.

As a result, we need to incorporate any method we can to get that detritus out of the tank before it breaks down and turkey basting with a filter sock is a great method.
 
I like my skimmate wet :)

With my Remora-Pro w/mag3, I sometimes get a full gallon of skimmate per week (gotta love the built-in overflow!). It's helped me get my nitrates to zero. :D

I once tested the skimmate; the parameters were very close to the main tank param. I'd like to test it with a TDS meter... I just ordered one, so I'll be testing with it soon :)
 
OK, I'm new here to RF. I have owned a few skimmers in my day and I am curious just exactly what defines a DRY skimmate?
 
sherm71tank - Welcome to Reef Frontiers! What I noticed when my skimmer was running dry....less skimmate, and the foam/bubbles held their form in the collection cup. They would slowly burst as they sat in the cup, but for the most part they kept their shape for awhile. When I run wet (which I like) it foams up to the top of the cup/lid and when there is enough foam built up, it runs down into the collection area.
 
How long till your guys skimmer stopped going crazy from the filter sock usage?
What did you do to get it to "calm" down?
thanks
 
Dr B, mine didn't take too long - I'd say an hour or two. I pulled the tube out of my ER skimmer, so it was dialed as far down (as dry) as it could go. I chalk this one up to one of the dumbest mistakes I have made with this tank....not only did I do it once, but several times (didn't even think about the sock having sizing on it). DOH! And I'm such a rinse freak, too....
 
I wanted to add that my skimmer may have settled down a lot sooner than others because I didn't have any livestock what-so-ever in the tank, so the skimmer didn't have to pull out other substances released from corals.
 

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