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How deep is the sand bed? Rather then setting up a lighted fuge, how about just filling the 10 gal tank with sugar size arragonite sand..make it as deep as you can, maybe an inch or two from the top and run the water slowly over the top of it.

Some where in San Diego Ca. there's a deep hole in some guys backyard. Anybody have any idea what he calls the stuff he pulls out of this hole? I'm sure these Ecosystem work very well but I really don't see the difference between an Ecosystem and a Refugium that has a DSB using sugar size sand...

I used to run a piece of vinyl tubing (air line) up through the U-tube from the outside box. Make sure the end is at the top of the U-tube, now suck all the air out. You can also drill a hole on the top of the U-tube and glue in a small needle valve.

About 20 years ago we bought our first Golden. He walked by the tank for years and never noticed it, then one day he must of saw the fish moving around and "bammm" he was hooked. He'd sit in front of that tank for hours, sometimes barking, sometime whinning.

Iwaki's can be LOUD. I've heard my buddies Iwaki screaming from his closed garage while sitting in my truck on the street with my windows closed. One word.............Sequence

Sounds more like something rated for 75gal or less...The design looks good, just not very big.

Originally Posted by Bemmer Guys, Golfish, I did not have them drill for the seaswirls. It did not occur to me. Alway learning!!!! I'd get on it...if you have Euro bracing your going to want holes drilles for em. That glass shouldn't be tempered...You can do it right now or pay big time later.

Justs depends on the corals you keep? If I added up all the powerheads and pumps I use on my 120 it would top out around 6000 gph.

Have you ever heard of a "remote DSB" "it is a modest strategy and dependant on bioload of course. But so cheap to employ, and easy to remove if you don't like it. My LFS finally tried this with a 55 gall tank full (nearly to the top) of sand with a good stream of water traversing the length of...

yeah, but it

And a very nice tank it is, except for the eggcrate on top I think I'll stick with a "true' CL

Reefgeek dot com has the best price on the Phoenix 14K bulb...that's what I'd use

Squiddy, For the folks back home lets bring this one back up..I'm all for your idea but I look at it like this. The overflow is a box within a box. So your "sucking" from one box to another. Just like a sump, your sucking from one box to another. The six inches you speak of is the difference...

Well, I don't know a thing about the GX-8500. I do know that reducing the flow with a ball valve and or adding head pressure reduces the amp usage on pumps like Sequence Reeflo and Dolphin Amp Master pumps. I've been using Mag pumps for years and reducing the flow with ball valves. I for one...

Originally Posted by acrylic51 So I guess what your saying that by putting a ball valve on any brand pump on the discharge side makes the pump work harder and shortens it's life?????? Originally Posted by Hurt Yep. The more friction/back pressure, the harder it is for the pump to turn. By...

Originally Posted by Squidd What difference does it make if the intake is "inside the box" or 6" outside of it This is the difference Originally Posted by Squidd (other than the linear inches issue, which is understandable/overcomeable) Overcomeable by make the overflow box about 2-3-4x...

Squidd, going with your logic, using the overflow and sump is a CL........ But lets just stop for one second and say there is no such thing as a CL.. And we're going to use the overflow as mentioned....How big do you think that overflows going to have to be to get 1500 gph, 3000 gph, or 6000...

Originally Posted by Squidd Your sucking "X" amount of water out and pumping "X" amount of water back in... So going with your thinking here we can call a sump and return pump a CL...or not a CL. I'll stick with my first post about the overflow. technically, that wouldn't be a closed loop

Its all about what you plan to do with it...If your just going to use it as a sump and nothing more you might not need any baffles. BTW, Looks great

Squidd, who gives a rats behind ..The real question is can the overflow handle it? guppie, IME, your making the right choice.