holes in bottom of a tank

royvoss · 10/22/2007, 05:18 AM

hi,

i am in the process of setting up a a new tank. oceanic tech 120. i plan on using a closed loop system. 4 one inc outlets in the front and 4 in the back plus a 1 1/2 drain for the cl system(oceans motions 4-way. plus it already has four hole for the overflow/return. this would be a total of 13 holes in the bottom of the tank. does anybody see a problem with that many holes in the tank. any help would be greatfull.

roy

royvoss · 10/22/2007, 09:39 AM

ttt

OliverM3 · 10/22/2007, 10:04 AM

Correct me if i'm wrong, But I didn't think you could drill the bottom of a Reef ready tank because they temper the glass after drilling for the overflows?

royvoss · 10/22/2007, 11:27 AM

the oceanic tech series does not have a tempered bottom.

woz9683 · 10/22/2007, 11:54 AM

So, you're going to run a single closed loop using an OM 4-way. Why exactly do you want 4 holes in the front and 4 in the back (I count that as 8 ways, seems like it would be easier to get through 4 bulkheads first and then split each of those into two outlets)? Also, you might want to consider drilling the inlet to the closed loop in the back wall of the tank instead of the bottom, this will make it more difficult for the closed loop to pick up sand or other debris that would normally settle to the bottom.

Seems like that would reduce you to 9 total holes, and only 8 of those in the bottom.

royvoss · 10/22/2007, 12:05 PM

i was going to split the system under the tank. if this makes sense. in other words each oulet of the 4-way would be split. i was going to just drill the tank for the extra outlets. just not sure if this was the best way to do it. i do not mind drilling the holes, have done it many times in my line of work and already have the holesaws.

roy

royvoss · 10/22/2007, 12:06 PM

i figured with the extra oulets it would help with more coverage and i would bw able to aim the outlets with line loc. i will to reduce to 3/4 at the bulkhead.

OliverM3 · 10/22/2007, 12:20 PM

Very cool, I didn't realize that.
I just thought it was common practice to temper.
I guess the tech series uses thicker glass.

Quote:

Originally posted by royvoss
the oceanic tech series does not have a tempered bottom.

dhnguyen · 10/22/2007, 12:29 PM

...a total of 13 holes in the bottom of the tank... That's a lot of holes in one panel and the one panel where the most pressure is on too. I'd be a bit nervous about that if I were you. I personally wouldn't risk it.

dhnguyen · 10/22/2007, 12:39 PM

BTW.... I can imagine an accidental bump on the plumbing causing your bulkheads to crack the glass and there goes the tank. But then I'm a bit more paranoid than most

royvoss · 10/22/2007, 02:15 PM

thbaks for the opinions, that what i was thinking. the glass is thick, about 3/8 thick i think. i could also put the rear outlets on the back panel. it would be a cleaner install through the bottom.

dhnguyen · 10/22/2007, 03:36 PM

3/8" isn't all that thick. I've seen tanks as thick as 1/2" cracked at where the holes are drilled.

royvoss · 10/22/2007, 04:33 PM

it was just an idea, i will just use 4 outlets and i could put a y im them if i feel coverage it not were i want it.

10/22/2007, 05:18 AM	#1
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	holes in bottom of a tank hi, i am in the process of setting up a a new tank. oceanic tech 120. i plan on using a closed loop system. 4 one inc outlets in the front and 4 in the back plus a 1 1/2 drain for the cl system(oceans motions 4-way. plus it already has four hole for the overflow/return. this would be a total of 13 holes in the bottom of the tank. does anybody see a problem with that many holes in the tank. any help would be greatfull. roy

10/22/2007, 11:54 AM	#5
woz9683 Registered Member Join Date: Sep 2005 Location: Jackson, MS Posts: 1,029	So, you're going to run a single closed loop using an OM 4-way. Why exactly do you want 4 holes in the front and 4 in the back (I count that as 8 ways, seems like it would be easier to get through 4 bulkheads first and then split each of those into two outlets)? Also, you might want to consider drilling the inlet to the closed loop in the back wall of the tank instead of the bottom, this will make it more difficult for the closed loop to pick up sand or other debris that would normally settle to the bottom. Seems like that would reduce you to 9 total holes, and only 8 of those in the bottom. __________________ Michael Current Tank Info: 195G (125G Display, 70G Sump)

10/22/2007, 09:39 AM	#2
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	ttt

10/22/2007, 10:04 AM	#3
OliverM3 Registered Member Join Date: Aug 2007 Location: PA Posts: 616	Correct me if i'm wrong, But I didn't think you could drill the bottom of a Reef ready tank because they temper the glass after drilling for the overflows?

10/22/2007, 11:27 AM	#4
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	the oceanic tech series does not have a tempered bottom.

10/22/2007, 12:05 PM	#6
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	i was going to split the system under the tank. if this makes sense. in other words each oulet of the 4-way would be split. i was going to just drill the tank for the extra outlets. just not sure if this was the best way to do it. i do not mind drilling the holes, have done it many times in my line of work and already have the holesaws. roy

10/22/2007, 12:06 PM	#7
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	i figured with the extra oulets it would help with more coverage and i would bw able to aim the outlets with line loc. i will to reduce to 3/4 at the bulkhead.

10/22/2007, 12:29 PM	#9
dhnguyen Moved On Join Date: May 2004 Location: Kingston, WA Posts: 4,751	...a total of 13 holes in the bottom of the tank... That's a lot of holes in one panel and the one panel where the most pressure is on too. I'd be a bit nervous about that if I were you. I personally wouldn't risk it.

10/22/2007, 12:39 PM	#10
dhnguyen Moved On Join Date: May 2004 Location: Kingston, WA Posts: 4,751	BTW.... I can imagine an accidental bump on the plumbing causing your bulkheads to crack the glass and there goes the tank. But then I'm a bit more paranoid than most

10/22/2007, 02:15 PM	#11
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	thbaks for the opinions, that what i was thinking. the glass is thick, about 3/8 thick i think. i could also put the rear outlets on the back panel. it would be a cleaner install through the bottom.

10/22/2007, 03:36 PM	#12
dhnguyen Moved On Join Date: May 2004 Location: Kingston, WA Posts: 4,751	3/8" isn't all that thick. I've seen tanks as thick as 1/2" cracked at where the holes are drilled.

10/22/2007, 04:33 PM	#13
royvoss Registered Member Join Date: Sep 2007 Location: nj Posts: 467	it was just an idea, i will just use 4 outlets and i could put a y im them if i feel coverage it not were i want it.