CT 400 Build

These pictures were lost to those photobucket extortionists ..... or is contortionsists ..... anyhooo, completely obvious why I 'need' a bigger tank.
 

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Less than a week until the change over. Spent a few hours today throughly washing 160 pounds of sand; a stunningly tedious task I must say.
 
I’ll be there... hopefully we’ll have enough heads for the move. I know I was there for the ARKSC meeting last summer, but PM me your address as we draw near.
 
Tank move happened this past weekend - thanks to all who helped to lug glass boxes ... and acrylic ones.
 
Took most of the weekend .... I'm considering the possibility that my system may be a tad complex. This thing is massive ..... plenty of corals and rocks, but clearly need more fish.
 

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Wow, that was fast!

It's looking absolutely awesome already - I love the "islands" aquascape, and the front-to-back depth of the beast!

~Bruce
 
Yeah the 36" front to back depth is really nice. It's the first time that I've seen my Sailfin really cruise through a tank. Key will be to be a tad more disciplined and not let this tank get overgrown.
 
Still moving colonies back in from the frag tank. Hooked up the closed loop today. Trying out a pair of random flow generators nozzles. So far so good. This is the first tank where I didn't have to spend hours chasing drips and small plumbing leaks. Secret: solvent weld joints rather than threaded.
 
I'm kind of interested in those nozzles myself. Got a couple of straight loc-line nozzles on my returns, would be kind of fun to bounce that current around a bit. How well do they handle higher flow? I've possibly got as much as 2.500 gph moving through two 3/4" returns . . .

~Bruce
 
I'm only pushing about 1,000 gph. Tried goosing the pump and the nozzles popped off the PVC pipe. Not fixed in well enough, clearly. I think they'd handle 2K plus.
 
Tank is now essentially installed. All plumbing compete (though one of my apex flow sensors insists on dripping) and stand reassembled.
 

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Awesome tank Simon! How does the drain work with all of those lines? Is it harder to adjust full siphon when there are multiple full siphons? I'm sorry if you already mentioned it, I only reviewed a few of the pages so far.
 
No worries. I have two of the siphons basically fixed (the ones that feed the ATS and refugium) so only the third requires adjusting. In that sense, no more complex than a standard three drain bean. I have it so that the open channel just trickles. So much better than the old corner flows.
 
Gotcha, thanks! I have been designing a 300+ system for our house, but glass was a forgone conclusion up until now. With your experience now, would you still recommend acrylic for a large tank (assuming it sits on a slab, so weight is no issue)?

Also, I use a float switch in my overflow like you. I only have two drains (siphon, and a trickle drain/emergency), then the float acts as the real "emergency switch". If it trips, the main return pump shuts off an warnings are sent out. It gets tested once every few months to ensure functionality, and should prevent the tank from flooding if the two drains clog.

Did you end up having them make some thin circles for your MP40s? Id be interested to see how those came out.
 
I just haven't had the acrylic tank long enough to be able to yet draw any useful conclusions for myself. Haven't scratched it yet, but it's only been two weeks :lol:. Acrylic is certainly clearer (though I do see slight distortions when looking through it at close range). The corners are much cleaner than glass. If weight is not a major consideration then I think I'd probably still go with glass.

I did have them thin two circles in the back. Ok so far. MP40 would not have stuck to 1 1/8" walls.
 
Gotcha, thanks! I have been designing a 300+ system for our house, but glass was a forgone conclusion up until now. With your experience now, would you still recommend acrylic for a large tank (assuming it sits on a slab, so weight is no issue)?

This wasn't to me but figured I'd chime in. Hope you don't mind. If you have young children around glass is safer in most cases. I owned a 100 gallon acrylic and my nephew started to play with the class cleaning magnet. He got it a bit low, sand got on it, and I ended up with a couple scratches. Totally my fault for leaving it within his reach but that is one thing that comes to mind. Cleaning it and younger children.

Weight saving was incredible though. Easy to move around, into and out of the house, etc. To compare it I have a 240 that I have been sitting on for about a year now. Arrived last December and I just put it on the stand about a month ago :( The trouble? Moving it out of the crate and placing it onto the stand for a leak check. Now I am ready to move it into the house and need to sort that out...

Pros for me was the clarity and weight. The Con was managing the inside of the tank with regards to cleaning it and accidental scratches from children. Children are great and it was my fault. You could scratch that off the list if you are more organized than me :)

Forgot to add. To the OP - nice looking tank.
 
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