600 Gallon Upgrade Build

600 Gallon Upgrade Build

I just cant keep up with this thread. Apparently you cracked tank while drilling?
I have successfully drilled about 10 glass holes but in past several months i have cracked 3 large tanks by being an idiot and trying to do things myself. I recently even drilled a filled tank utilizing plastic bags taped on tank to direct water into tub, hose wrapped around my neck and drill in one hand. That was fun!

The first and apparently the third tank cracked while I was drilling. The second tank was finished and me pushing it onto the wall caused the tank to crack.

I'd have to say that I was drilling the tank alone while holding the hose between my legs while drilling. But cracking on the very last hole has to be because of pressure. Oh a tip in case you didn't see in the last photo, never drill a tank with the back panel already painted. Then I could've seen what I was doing. I forgot that tad bit of information.
 
Well the builder just told me that I am number 21 on the list for having my tank built. I cant say if that is great, good, or just plain ole news but either way I am happy.
 
I was hoping your were #1 on the list. At least you are on it. Is it the same dimensions on your signature? External overflow box?
 
Wayne you should direct him to your read and let him see how many post/followers you have. Maybe that will bump you up a few spots!
:lol:

Corey
 
Well my tank renderings came back. Now I have to change how I'm going to place the sea swirls.

puvada7a.jpg

8u6asa2e.jpg

pepygyzy.jpg


Thoughts, ideas, concerns, critiques?
 
You still doing 4 sea swirls and no powerheads?

Yes and no. The its going to be built it looks like I will have to place 2 sea swirls in the center and then the other 2 on the front corners blowing towards the back. I will probably add a couple power heads on the outside of the external overflows on the back wall just to keep detritus elevated.
 
IME the tunze boxes for the tunzes will only look good beside the overflows. Anywhere else it is too obtrusive.
 
Because the sump was only built for two 2" drains.

Well, the advantage of more linear feet of overflow (i.e. larger CtC) is more surface skimming. Yes, you need more linear feet to keep up with a larger drain, but the other way around isn't a constraint - it becomes the flow rate at that point.
 
Well, the advantage of more linear feet of overflow (i.e. larger CtC) is more surface skimming. Yes, you need more linear feet to keep up with a larger drain, but the other way around isn't a constraint - it becomes the flow rate at that point.

So are you saying I should make it coast to coast instead of the two separate overflows?
 
Yes and no. The its going to be built it looks like I will have to place 2 sea swirls in the center and then the other 2 on the front corners blowing towards the back. I will probably add a couple power heads on the outside of the external overflows on the back wall just to keep detritus elevated.

how many you looking to put behind the rock work? and what gph are you looking at?
 
So are you saying I should make it coast to coast instead of the two separate overflows?
Well, if you can collapse the drain lines into a single overflow box within the tank, and then a CtC across the top, you'll have more room inside the tank, and less overflow box to scrape.
 
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