need help with flow

B

bolt696

New member
Hello,

I have one over flow going to my filter but there was not enough room in the filter to hold skimmer heaters and pump for chiller. So I got a 10 gallon tank and another over flow. I just can't get a good setting on them. Either the 10 gallon fills up to much and the filter gets to low or the filter fills up to much and the 10 gallon is to low. I tried adjusting the over flows and just can't seem to get it. Maybe my pumps are to small or to big? I have had 2 floods already. It is driving me nuts. I have spent hours trying to get it right and just can't. Any tips?
 
Since the overflows will never drain the same amount each the only way to avoid a flood with that setup is have the 10G drain into the sump.
 
You will never match the flows juggling 2 sumps. You need 1 sump if im reading your post correctly.
 
1st you shouldn't get a flood if you drilled a siphon hole in the pipe taking water out of the main tank( just below the main tank water line.) when the tank drains past the siphon hole air enters the tube stopping the water from draining.
if you are using a hang on overflow the water should stop once the main tank water goes below the part of the overflow that sits inside the main tank.
 
<a href=showthread.php?s=&postid=9986662#post9986662 target=_blank>Originally posted</a> by eboonaman
1st you shouldn't get a flood if you drilled a siphon hole in the pipe taking water out of the main tank( just below the main tank water line.) when the tank drains past the siphon hole air enters the tube stopping the water from draining.
if you are using a hang on overflow the water should stop once the main tank water goes below the part of the overflow that sits inside the main tank.
Click to expand...
Yes I do now have a hole drilled in the output U tube. The problem is matching the in put of water to the sump to the pumps out put.

I also found out the flood was coused by my skimmer. It just started sucking up water and no bubbles. The collection cup over flowed.
 
Im missing something here. Are you draining your tanks into 2 different sumps? And returning it back to the tank with 2 different pumps?
 
drill the back of your tank and ditch the overflow boxes. You can thank me later. PS, you can drill even when filled as fishamajiggle and I just did his filled tank.
 
<a href=showthread.php?s=&postid=9988120#post9988120 target=_blank>Originally posted</a> by pyro383
drill the back of your tank and ditch the overflow boxes. You can thank me later. PS, you can drill even when filled as fishamajiggle and I just did his filled tank.
Click to expand...

I would seriously love to do that myself, I hate the overflowbox but I don;t have the guts to do it filled :( It would also make the closed loop so much better.
 
you have to put a valve at the end of the overflow pipe going into the 1st sump then another valve from the pipe that goes into the second sump and last put a value after the return pump pipe back to tank.

you regulate the flow starting from the tank output to 1st sump, from first sump to 2nd sump and then from return pump to tank. just keep opening each valve a little bit until you regulate the flow the way you want it.
 
I could really use some help with the set up. If anyone is local to plainview and can help, you are more than welcome to frag some stuff in my tank, what ever you want. I have no idea how to frag, so bring your tools. I will be home all day Saturday.
 
<a href=showthread.php?s=&postid=9988120#post9988120 target=_blank>Originally posted</a> by pyro383
drill the back of your tank and ditch the overflow boxes. You can thank me later. PS, you can drill even when filled as fishamajiggle and I just did his filled tank.
Click to expand...

DO NOT EVER DO THIS.

If you want to drill your tank, that's fine, but why add insult to injury.
If you should crack your tank while drilling, not only will you lose your tank, but the added pressure from water/rock could easily cause it to collapse.

This is terrible advice, imo.

Also, as Vinny stated, you need to join your two tanks to make one sump. Have you tried stepping your sumps behind the tank?
Have water drain into one, then another.

Otherwise, get one big sump.

Got any pictures?

PS PM me. I'll be in Woodbury Sat morning with a client. I can stop by afterwards.
 
<a href=showthread.php?s=&postid=10012192#post10012192 target=_blank>Originally posted</a> by Reef Junkie
DO NOT EVER DO THIS.

If you want to drill your tank, that's fine, but why add insult to injury.
If you should crack your tank while drilling, not only will you lose your tank, but the added pressure from water/rock could easily cause it to collapse.

This is terrible advice, imo.

Also, as Vinny stated, you need to join your two tanks to make one sump. Have you tried stepping your sumps behind the tank?
Have water drain into one, then another.

Otherwise, get one big sump.

Got any pictures?

PS PM me. I'll be in Woodbury Sat morning with a client. I can stop by afterwards.
Click to expand...

I wasn't going to attempt a full tank drill. Might work, but not worth the risk. I will let you know later if I can use help. thanks
 
<a href=showthread.php?s=&postid=10012192#post10012192 target=_blank>Originally posted</a> by Reef Junkie
DO NOT EVER DO THIS.

If you want to drill your tank, that's fine, but why add insult to injury.
If you should crack your tank while drilling, not only will you lose your tank, but the added pressure from water/rock could easily cause it to collapse.

This is terrible advice, imo.

it was half drained so where I was drilling the overflows there was no added pressure, it was a piece of cake after pyro showed me how to drill the first hole, I did the second one on my own. it was no problem . besides you have to live on the edge from time to time. if it broke i would have to start over. not the end of the world I suppose, but i have a fish only at the moment and that makes it a little easier.

drill the holes it is your best bet, overflow boxes are problematic at best. :rolleyes:
Click to expand...
 
Drilling a tank pane with a diamond hole saw and without a drill press is the easiest way to crack a tank :)
You can't keep steady, even, light pressure with a hand dril.
 
well why isnt my tank cracked then. it was a small bit on a dremel and i had tremendous success. I wouldent suggest it unless I had experience with this subject myself. i wonder has anyone out there really tried this or is it easier to just jump on the opinion that it is bad bad bad. it was really easy and only required a little patience.
 
However you slice it, it's foolish to do it, or even suggest to a novice that it should be done.

Sure, it can be done, but you can also change a 400 watt Metal Halide bulb with the power plugged in. (Do not change any bulb with the power plugged in)

Overflow boxes are more then a PITA for certain, but come on.

Pyro and fishamajiggle, you guys need to be a little more responsible with your advice. God forbid something got damaged or worse, someone got hurt.
 
how can you get hurt. a little water spills on your feet, give me a break, i am not saying it is for everyone, or the faint heart but it can be done, and all of the people out there that say it cant be done are foolish because they have never done it. experience speaks volumes, opinions are like ..............well you know the saying. all i am saying is do the reasearch before comentating on it. it is a viable solution and can be done. dont speak about responsibility if you have never been in the situation.

thanks
:D
 
I've dremeled 5 tanks and yes they never cracked cause all you are doing is grinding the glass to produce a hole.
Put pressure on a dremel bit and do it on unknowing tempered glass and see what you get.
So mine is not opinion, but hell, what do I know.
 
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