Surface Skimmers UPDATE - The Planted Tank Forum
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post #1 of 21 (permalink) Old 03-23-2006, 02:45 AM Thread Starter
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Smile Surface Skimmers UPDATE

I guess there are some new products out called surface skimmers. They are not protien skimmers. I haven't seen one, but saw a picture in a Hagen/Fluval catalog.

I still have a bit of a problem getting some residual calcium sulfate surface scum ( I think that's what it is). It is minute, opaque and floats like oil on the top of the water. I still get this even though I mix my mg and cal. chloride in separate 32 gallon containers. Its very difficult to pull out unless you scoop/skim the water surface with a plastic container...

I am not sure how these surface skimmers work, but I believe they attach to a canister intake and apparently the Fluval will also work with a HOB style Aquaclear intake. The rep for Hagen said his worked great on his small pressurized planted tank.

Anybody used one? Please explain how they attach to an intake. Do they use a T or what? TIA bob





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post #2 of 21 (permalink) Old 03-23-2006, 04:48 AM
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i use this one here
http://www.drsfostersmith.com/produc...pc=1&N=0&Nty=1

there's a tube coming out the bottom of it that attaches to the intake filter tube. that big plastic part is the intake float. you can see it has little slits. thats there to draw water into the tube. because its plastic it wants to float, and the water being drawn into the filter makes is sink a little which makes it able to skim the waters surface. of course you can adjust how much of the float sinks. it probably one of the best things i've ever bought for my aquarium.

the only thing is when you feed your fish, you need to get one of those little feeding rings to put around the float because the food will be drawn towards the skimmer.

its an A+ addition to any aquarium.

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post #3 of 21 (permalink) Old 03-23-2006, 05:24 AM Thread Starter
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Thanks MISo!





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post #4 of 21 (permalink) Old 03-23-2006, 07:01 AM
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i Use to have the exact same problem - the tub would work for a while then it would come back later on. For some reason i dont seem to get it any more, could be the fact my tank has matured, my frogbit is getting bigger or iv just got the balance right.
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post #5 of 21 (permalink) Old 03-23-2006, 08:26 AM
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dont know how to make pictures show up in the thread, or how to attach them.
some ppl may have to log into yahoo to view the pictures.

in the second picture you can see how part of the float is submerged. i also have it tilted a little bit so that the float doesn't bob around too much. it causes alot of surface ripples and i feel it would only help to release the co2 i've got going into the tank. the reason the skimmer is so far away from the intake of the filter is because i didn't want to bend the tubing and restrict the water flow.

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post #6 of 21 (permalink) Old 03-23-2006, 09:12 AM
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The one at Drs.F&S is the same as the Hagen/Fluval, is it not?
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post #7 of 21 (permalink) Old 03-23-2006, 02:17 PM
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I also had that problem and considered a skimmer. Then I just raised the filter output nozzle closer to the surface (not tooo close or you'll lose Co2) and viola! all gone -the principle is the same, o2 exchange.
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post #8 of 21 (permalink) Old 03-23-2006, 02:47 PM
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I used them on my tank, and they seem to work well.
Basically it skims from the top, and also pulls in from the bottom.
You need to set the top draw (via the tab sticking out of the top), so that you can see a line between the water and air in the intake.
I recently took mine off to see how things would work without since I have a bunch of Zebra Danios tearing around at the surface.

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post #9 of 21 (permalink) Old 03-23-2006, 03:15 PM Thread Starter
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Quote:
Originally Posted by Raul-7
The one at Drs.F&S is the same as the Hagen/Fluval, is it not?
Yeah Raul, that is a Fluval at the Drs. They are almost half that price at Big Als. I ordered two last night for about $8.50 each plus ship.





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post #10 of 21 (permalink) Old 04-01-2006, 05:03 AM Thread Starter
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Wow, these little babies work GREAT. Best $8.50 I have ever spent on an aquarium. But I have to get some feeder rings I suppose. Took about 10 seconds to clear some persisent surface scum off the top of my 90 gallon. The other benifet is I dropped the angle on the spraybar so the water is much smoother on the top= less CO2 loss. It fits right into the intake of Rena XPs. Very nice piece of gear to add IMHO. Thanks for the help guys.





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post #11 of 21 (permalink) Old 04-02-2006, 10:40 PM Thread Starter
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OK, one more thing. This baby does the trick very fast. And I could possibly retire it and save it for the next time. I might do that, but for now I just dial the setting so all the water is coming in from the bottom of it, like a traditional inlet. The top part is so high that no surface water enters at all. That keeps any hassle with feeding flakes or floating bits of Riccia etc. from being sucked in.

Then the next time I see any scum, I'll lower it for a few minutes, remove the surface scum, and raise it back up. Easier this way. These things are great!





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post #12 of 21 (permalink) Old 04-02-2006, 11:11 PM
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Cool. I'll have to get one of these. I have a scum problem on my 125g.
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post #13 of 21 (permalink) Old 04-03-2006, 08:15 AM
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Quote:
Originally Posted by Betowess
Wow, these little babies work GREAT. Best $8.50 I have ever spent on an aquarium.

thats exactly the way i felt, even though i paid double for what it was worth

its still a great investment.

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post #14 of 21 (permalink) Old 04-03-2006, 12:58 PM
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Miso and Betowess:
Great info. Thanks for sharing. So the skimmer REPLACES the intake tube and strainer on the existing filter? I see they have two that are almost identical at Big Als. I suppose the Aquaclear and the Fluval are the same thing, just different brands?
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post #15 of 21 (permalink) Old 04-03-2006, 04:19 PM
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update on skimmer removal

I put them back on after less than a week without, I put them back on. I got the surface slick, and after a couple hours with the skimmers back, all gone.

BomBay, it doesn't replace the intake, but attaches to the intake. You take the strainer off the current intake, attach the skimmer via an elbow, adjust the flow, and you are good to go.

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