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| How Big a pump???? http://byap.backyardmagazines.com/forum/viewtopic.php?f=1&t=3527 |
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| Author: | Nocky [ May 26th, '08, 20:29 ] |
| Post subject: | How Big a pump???? |
Is a 4,500lph pump to big for a 1,100lt tank? |
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| Author: | Outbackozzie [ May 26th, '08, 20:33 ] |
| Post subject: | Re: How Big a pump???? |
Nope  You want to turn the tank volume over once per hour. ie 4000lph pump @ 15 minutes on 45 off, or 1000lph @ continuous. Its up to you what you want to do, but an energy efficient vortex pump 65 watts is good value, and silent. I actually run mine as much as I can (just need to limit overnight for temp) keeps the water much cleaner than a small pump. Personally - go the big pump. |
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| Author: | veggie boy [ May 26th, '08, 20:43 ] |
| Post subject: | Re: How Big a pump???? |
Can you link us to an example oba? I'm going to be looking for a new pump for my big system before the end of the year. I will need something I can run continuously and obviously power consumption will be a big issue for me, as will be throughput. I reckon to allow for expansion, I'll want to be able to pump at least 6,000 litres per hour (genuine) at a couple of metres head. |
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| Author: | Outbackozzie [ May 26th, '08, 20:48 ] |
| Post subject: | Re: How Big a pump???? |
http://www.rockaroundtheblock.com.au/pr ... 329&cID=63 6000 lph (slightly bigger than mine) 95 watt (bet you wont find better for the capacity, I tried) I got mine from Joel  Extremely recommended I am very impressed with the performance compared to my cheapy ebay pumps. |
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| Author: | veggie boy [ May 26th, '08, 20:50 ] |
| Post subject: | Re: How Big a pump???? |
Yeh - saw that one on that other thread. Pumps less than 3000 at 2 metres head though. I'm thinking I may end up having to run a small pool pump to get what I want. |
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| Author: | Outbackozzie [ May 26th, '08, 20:52 ] |
| Post subject: | Re: How Big a pump???? |
Growbeds on your roof? 
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| Author: | Chappo [ May 26th, '08, 21:22 ] |
| Post subject: | Re: How Big a pump???? |
Jebao 10,000 rated at 4080 litres at 2.5 metre head $195.00. |
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| Author: | Outbackozzie [ May 26th, '08, 21:25 ] |
| Post subject: | Re: How Big a pump???? |
I dont think you can find a better pump for AP than the jebao tornado's, value for money, power consumption, all good And they are soooooo quiet.
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| Author: | Nocky [ May 27th, '08, 07:03 ] |
| Post subject: | Re: How Big a pump???? |
I think we forgot to answer my question, I am looking at a jebabo 4800 litre pump I only have about 1200lt, I know I only have to turn water over once an hour, so is it over kill, well yes it is over kill but is it 2 much |
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| Author: | Chappo [ May 27th, '08, 07:07 ] |
| Post subject: | Re: How Big a pump???? |
What head ,, what pipe size ( additional head ) that is da question:) |
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| Author: | Outbackozzie [ May 27th, '08, 07:19 ] |
| Post subject: | Re: How Big a pump???? |
I answered it in my first post??? The bigger pump gives you more room to expand, gives you a lower running time and is generally all good. |
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| Author: | skygazer [ May 27th, '08, 07:33 ] |
| Post subject: | Re: How Big a pump???? |
If you have a sump, just make sure it can keep up with the other pump. |
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| Author: | Chappo [ May 27th, '08, 07:44 ] |
| Post subject: | Re: How Big a pump???? |
If you have a pump in the sump , why would you need another pump??? Almost poetry that ,, pump in the sump, in the sump pump. |
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| Author: | skygazer [ May 27th, '08, 07:46 ] |
| Post subject: | Re: How Big a pump???? |
Fish tank pump to grow bed. Grow Bed drains into sump (gravity). Pump from sump to fish tank. |
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| Author: | Chappo [ May 27th, '08, 07:49 ] |
| Post subject: | Re: How Big a pump???? |
Gravity from tank to grow bed ,, gravity from grow bed to sump ,, pump from sump to grow bed:) |
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