Submersible pump

[Headless_donkey]

I need a submersible pump with a pretty long head distance. I would like 300 gph. I know I could just use a mag24 or bigger, but I wanted to know if there were any other options.
thank you

[LoneStar]

Knowing how long the head height would be would help determine what pump to look for ;) Especially since you know the final gph...

What is it going to be used for?

[Headless_donkey]

I would say about 12' and I would like 300 gph. It is for a refugium.

[LoneStar]

Well according to the chart provided by Marinedepot.com (which is just a copy of the manufacturers results) a Mag 12 will provide 450gph at 12' head height. Thats with a straight shot, no bends (45 or 90 degree elbows). Any elbow will decrease the overall head height. So thats something to take into account.

http://www.marinedepot.com/aquarium_powerheads_pumps_danner_mag_drive_supreme .asp?CartId=

[Headless_donkey]

Could I use a little giant instead. It looks like they use less wattage
http://www.marinedepot.com/aquarium_pumps_little_giant_inline.asp?CartId=

[LoneStar]

Oh yeah for sure. I thought you were limited to a submersible pump. I wouldn't ever use one again...unless its for a small gph application. Submersible pumps are not very engergy efficient, plus they heat up the water too much.

A good external pump will perform better in the long run, keep your water cooler, and be more energy efficient.

I would look into panworld pumps too. Those are built very well and may perform better than the little giants ;)

[Headless_donkey]

I thought little giants were submersible. I guess not. The question is do I really want to take the sump off line to drill it for an external pump.

[LoneStar]

What kind of sump do you have? Glass or acrylic? Depending on how you schedule it, you may be without it for less than a day. Acrylic would be easier to drill, and give you a quicker turn around time. If its glass, its all about who you want to drill it and if they will meet you at your casa or if you gotta take it to them.

[alton]

It will take you about ten minutes, slap in a bulk head and valve and turn it back on while you plumb it in. Like Lonestar said Pan World is a better pump, I have three of them and unlike mag pumps if it says 480 GPH it pumps 480 GPH.