Which Return Pump

A Fluval SP6 will work for you. The output is a lot, but with a valve you can tune it to what you need now, as well have capacity to expand, think 'manifold'.
 
I found this chart for the DC 6000 and larger pumps. I hope it helps you. I don't have any personal experience with Jebao products, so I don't know how accurate the chart might be or how reliable the pump itself would be.
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Thanks very much, maybe best I go for the 9000 going by that. Just to make sure there's enough flow at the head. Appreciate you digging that out for me!!
 
Model DC-6000 Max Flow 1585 GPH (6000 LPH) Max Head 11.8 ft.
 
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The DC 9000 will give you 1545gph at 5 ft of head height remember that chart is in meters so you're only looking at 1.2ish meters for your set up at 4ft 4inches, the 9000 might be more than your looking for...
 
One thing i have learned in this hobby is if you go cheap you will pay for it in the long run and end up with the expensive stuff anyways. The price tag often reflects the quality....not alway but usually. I have put 4 different sets of lights over my 40B before I ended up with kessils. I tried all of the cheap power heads until I bought the mp40's. I have been putting together a 240g and wont be doing that game over again lol. I'm buying the good stuff to start with and bypassing the grief. If you can find a way to afford the M1 you would benefit from just getting it in the first place. Just my thoughts [emoji16]
 
One thing i have learned in this hobby is if you go cheap you will pay for it in the long run and end up with the expensive stuff anyways. The price tag often reflects the quality....not alway but usually. I have put 4 different sets of lights over my 40B before I ended up with kessils. I tried all of the cheap power heads until I bought the mp40's. I have been putting together a 240g and wont be doing that game over again lol. I'm buying the good stuff to start with and bypassing the grief. If you can find a way to afford the M1 you would benefit from just getting it in the first place. Just my thoughts [emoji16]
I had the M1, now using the SP6, I am not sure the M1 is better, the SP6 actually has more flow. They are both equally quiet and the power consumption is about the same. An SP4 more closely matches the output of the M1.
 
I had the M1, now using the SP6, I am not sure the M1 is better, the SP6 actually has more flow. They are both equally quiet and the power consumption is about the same. An SP4 more closely matches the output of the M1.
Fair enough. This SP6 does not appear to be a controllable dc pump though. Im not sure how important that is to the OP.
 
The DC 9000 will give you 1545gph at 5 ft of head height remember that chart is in meters so you're only looking at 1.2ish meters for your set up at 4ft 4inches, the 9000 might be more than your looking for...
There will probably be at least 5 feet of head, maybe more, since he is using flexible tubing that will have curves in it. Plus, unless I missed it, I don't know what his outflow setup in the tank will be.
I also don't know what these pumps cost, how reliable they and the company's customer service tend to be. I also don't know if the chart can be trusted.
The larger pump could save him money if he uses a manifold to also run reactors.
I would probably get the 9000 and set it up with a manifold if I were to buy this line of pumps.
 
Thanks for everyone's help with this. I'll be going with the 9000 as it's adjustable so if it's too much I can turn it down but still have extra if I want to use it to run other equipment.

I've done plenty research on these pumps as they are very common here in the uk and most people that have used them don't have anything bad to say about them. Plus they fit within my budget right now, I understand the Vectra's and pumps like it may be "better" but they are just not an option for me just now.
 
Highly recommend Vectra L1.
Would be perfect/quietest pump available. So versatile
 
I was just going off his ideal flow he decided on of 600-950 gph at 5 ft so the 9000 is roughly twice that. I did forget it's an adjustable pump lol which would give a little flexibility in the long run.
 

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