Thoughts on my proposed tank plumbing

0 Members and 1 Guest are viewing this topic. 560 views

  • Posts: 8
  • Liked: 0
  • Thanks Given: 1
  • Received: 0
  • Location: GB

What are people’s thoughts on this method of plumbing my 2ft cube tank with hard tube before I cement together. The tank was drilled in the centre when I got it so I decided to run the intake and return to the back of the tank and up.


Sent from my iPhone using Tapatalk

HK_Fuey

  • Graeme
  • Administrator
  • Posts: 6,221
  • Liked: 1763
  • Thanks Given: 481
  • Received: 1451
  • Location: Newcastle
  • Tank Thread: https://reefbase.co.uk/members'-tanks-6/graeme's-6x2x2-840l/

Reply #1

So you have two holes in the centre of the base, right?  I would use both of those for drains, and sent the return up over the top, or drill a new hole for it.  A gate valve, rather than a ball valve on one drain, and the other is the emergency (unrestricted).  No ball valve on the return, otherwise you will throttle the pump and break it.  You can add a splitter on the return with tap to let some of the return water back into the sump (or whatever you want to feed), but that's not required. 

Are you planning to build a weir box for the drain to sit in at the top?
Donate to the running of ReefBase

MattTucker

  • Posts: 8
  • Liked: 0
  • Thanks Given: 1
  • Received: 0
  • Location: GB

Reply #2

So you have two holes in the centre of the base, right?  I would use both of those for drains, and sent the return up over the top, or drill a new hole for it.  A gate valve, rather than a ball valve on one drain, and the other is the emergency (unrestricted).  No ball valve on the return, otherwise you will throttle the pump and break it.  You can add a splitter on the return with tap to let some of the return water back into the sump (or whatever you want to feed), but that's not required. 

Are you planning to build a weir box for the drain to sit in at the top?
Yes two holes in the centre of the base and I hate them there but have got to make do. I wouldn’t really want a pipe running outside the tank, is there a reason why I should have to overflows. I wasn’t planning on building a weir box I was just going to cut the top of the pipe into a weir shape and stick a mesh over the top to prevent fish and snails etc going down it


Sent from my iPhone using Tapatalk

Gav

  • Global Moderator
  • Posts: 2,052
  • Liked: 534
  • Thanks Given: 767
  • Received: 399
  • Location: Highlands
  • Tank Thread: https://reefbase.co.uk/members'-tanks-6/gav's-aqua-oak/

Reply #3

That does seem a peculiar place to have the holes drilled , are they not off set towards the back ? .... I think I'd be tempted to silicone a new base on top of the existing one and start a fresh with new holes .
Two over flows are to protect the room from flood should the first drain choke the second keeps the sump circulating instead of the return pump adding the contents of the sump to the display tank and overflowing .
The purpose of the Weir works the opposite way , it limits the amount of water that can Syphon back to the sump should the pump go off also preventing flooding .

MattTucker

  • Posts: 8
  • Liked: 0
  • Thanks Given: 1
  • Received: 0
  • Location: GB

Reply #4

That does seem a peculiar place to have the holes drilled , are they not off set towards the back ? .... I think I'd be tempted to silicone a new base on top of the existing one and start a fresh with new holes .
Two over flows are to protect the room from flood should the first drain choke the second keeps the sump circulating instead of the return pump adding the contents of the sump to the display tank and overflowing .
The purpose of the Weir works the opposite way , it limits the amount of water that can Syphon back to the sump should the pump go off also preventing flooding .
No they are pretty much dead centre, is it likely that the first drain blocks? I’m meshing over the top to prevent large items going down and it is fairly large diameter piping. I thought by cutting out slits similar to that of a weir straight into the pipe it would act as an overflow immediately into the pipe. With the minimum level of the slits being such that the sump would not overflow in the case of a power outage. I appreciate I am running the risk of the drain blocking and then flooding the tank that way but is it really likely for the drain to become blocked?


Sent from my iPhone using Tapatalk

Gav

  • Global Moderator
  • Posts: 2,052
  • Liked: 534
  • Thanks Given: 767
  • Received: 399
  • Location: Highlands
  • Tank Thread: https://reefbase.co.uk/members'-tanks-6/gav's-aqua-oak/

Reply #5

Yes the single drain can choke , for various reasons , ..... I run 1" 1/4 pipe also with a darice mesh strainer made for the incoming end , the main reason it chokes is that anything that won't go through the mesh reduces flow , such as larger foods and bubble algae being my most common , when the return flow down to the sump cant match the flow up to the tank from the pump it will fill up the display tank and over flow with out the extra relief drain . 
Other things that you'd also maybe need to consider is that your heater and skimmer etc will also be in the sump if the flow stops and even at best the display holds all the water from the sump , the display tank temperature will drop which is quite detrimental to the life in your tank .
As also with not having a weir box of sorts , the sump would need to be big enough to catch all the water above the height of the overflow from the display tank and also the contents from the pipework or anything else that could hold water fed from the return pump , should it go off from either power cut or failure .

Thanks:


Tags:



Donate towards the running of ReefBase

Donate £1.00 Donate £2.50 Donate £5.00 Donate £10.00 Donate £20.00 Donate another value