Coral Box D700 DC Protein Skimmers?

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Has anyone seen these? They look fantastic. Almost clones of the Bubble Magus Curve skimmers. This "700" has similar specifications to the Curve 7.

Labelled as "DC Curve 700", they're obviously sneaky copies. Although it's needle wheel looks huge in comparison, and that DC 3000, DCT 3000 pump has a lot of torque, so must be able to spin a bigger wheel, produce more bubbles, pull through more water.

http://www.fish-street.com/product_details.php?category_id=1&item_id=632&currency_code=GBP

It has lots of neat design touches too, like the adjuster is connected via an acrylic rod as opposed to the hollow tube on the Bubble Magus skimmers. It has a valve on the end of the drain tube, rather than a plug. They have a gate valve to adjust the flow restriction out of the skimmer which I've never seen on a skimmer before, but it's governed by a screw thread, so is very finely adjustable and won't budge once set.

I'm not a fan of the pump controller though. I know all theses Jebao DC and DCT pumps have controllers but I think it'll just lead to huge extremes of adjustment by inexperienced users, who'll restrict the outlet using the adjuster, which will flood the cup, so they'll reduce the pump to compensate and suddenly they've got a much less powerful skimmer. I think the pump should always be on max to get the most air into the skimmer, and the adjuster is there to balance it with the height of the platform you have it on. But I've never had a skimmer with a controllable pump, so maybe it is an advancement. It's just an extra level of complication for those who already struggle to set their skimmers right.

What do you think?

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carlcall

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Reply #1

It does look like quite a big wheel....


carlcall

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Reply #2

I'm sure I've seen a video on this where you have to build it all.



Found it....same principal just smaller!
Last Edit: Jan 5, 2015 9:05:40 pm by carlcall

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carlcall

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Reply #3

PITA....amended my post and the video link disappeared.

Mike

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Reply #4

I don't mind a bit of assembly.  :smiley:

Just been thinking though, as that gate valve is controlled by a screw thread that's made of acrylic, it's going to slowly get gritted up inside and start to stiffen overtime until it starts jamming.

I'd apply a grease to the thread. I think that'd keep it running smoothly.
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carlcall

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Reply #5

I know what you mean with it being acrylic, but maybe you could get a nylon one knocked up somewhere. Does look a good little skimmer.

How much extra air does it pull in over yours?

carlcall

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Reply #6

Found it.....Air Intake: 900-1100 l/h it will make mine look like it's holding it's breath  :smiley:

Also the gate may already be made out of a different plastic looking at it. I just don't like the plastic screws that hold the base on.
Last Edit: Jan 5, 2015 9:15:27 pm by carlcall

Mike

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Reply #7

Crikey! Yeah, I couldn't find the air intake spec. Is that for the D700 skimmer?

My BM Curve 5 is only 450lph. The huge Bubble Magus Curve 9's air intake is only 900lph!

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Mike

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Reply #8

I just don't like the plastic screws that hold the base on.

I know, they're soft nylon into hard acrylic. (the way it should be, you want the screw to wear and tear rather than the unit itself) but they do jam up. Mine's a bit of a pain when I strip it to get to the impeller to give it a clean every 6 months or so. It's beyond the stiffness I can undo with wet hands now, so I use a flat blade screwdriver which makes it easier, but I agree, screws are a bit disappointing.
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carlcall

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Reply #9

http://blog.armetas.lt/coral-box-d700-review/

Coral Box D700 skimmer data:
Jebao DC3000 Pump
 Watt: 12.5W to 25W
 Pump capacity: 1850 to 3000 l/h
 Size: 260x260x530mm
 Air Intake: 900-1100 l/h

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HK_Fuey

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Reply #10

If mine broke, I'd seriously consider one of these.

olyoz

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Reply #11

Maybe I should get one of the smaller models instead of the curve 5....

HK_Fuey

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Reply #12

They do seem to pack more punch for their size, and they're cheaper.  Win, win.

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