Close-loop on a cube?

[Galantra]

Hello all, I am Looking for a little input I had my Marineland 150 DD cube up for a while but because of inadequate flow issues I decided to take it down to restart over. I am now interested in drilling it to run a close loop but wanted to know where should I drill it at? I am kind of iffy about really drilling holes in the tank but adding more powerheads in a small cube doesn?t look so great to me. I know for a fact I would like to drill the bottom within the overflow creating 3 inch holes in the area of the overflow box, which will give me one drain and two return pipes and one overflow ( Just like the photo on the bottom). I am looking for a nice clean looking tank any imput is appreciated

 

[Galantra]

Additional question what would happen if I drill a 3rd hole change the middle hole from one inch to 1.5 drain pipe would this help me out more?


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[ming]

Based on the location of those holes, will the bulkheads fit? Seems a bit tight

 

[masterswimmer]

Ritchie, I'm going out on a limb, I haven't checked it out yet, but I'd say the bottom is tempered and undrillable.

I'll look into it if you'd like.
Russ

 

[Galantra]

Ritchie, I'm going out on a limb, I haven't checked it out yet, but I'd say the bottom is tempered and undrillable.

I'll look into it if you'd like.
Russ

russ thanks I appreciate that like to be safe than sorry

 

[Galantra]

Based on the location of those holes, will the bulkheads fit? Seems a bit tight

Ming, that photo of an actual 300gal DD tank of someone adding an additional drain pipe

here is a pic of what it looks like running:

 

[Galantra]

If this actually works I would do the same to the 300gal DD tank that I have

 

[Galantra]

:dead:

 

[TripleT]

No powerheads? Wouldn't that be the simplest and most flexible solution?

I bet an MP40 Vortech would be a great addition to that tank.

 

[Galantra]

No powerheads? Wouldn't that be the simplest and most flexible solution?

I bet an MP40 Vortech would be a great addition to that tank.

Well that what I was using anyway I had 3 running in the tank but be cause of aquascaping it didn't work out so great. I ordered drill bits just waiting to see if I can drill the bottom


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[E.intheC]

Ritchie, did you look at the glass-holes.com videos on drilling? They give you some good pointers. I just drilled 2 holes a few days ago and it wasn't hard at all.

 

[Galantra]

Yea know I actually ordered the bits from them