Originally Posted by
akm
Hey Jared first off what size sump do you have? Really you only want something like 3-5x turnover in the sump and to use powerheads or closed loops to provide the majority of the flow rate in the main tank. But if you don't want to buy expensive powerheads or can't drill then you can't do much but put a large pump on your return. A dart would be good, they're quiet and strong. There are also iwaki's and panworlds which are very good pumps but even though they are said to be quiet I've always found that they can be kind of loud. If you want an internal pump you should check out Eheims which are probably one of the best internal pumps you could use. But you're not going to get the same power as with an external. If you go this route I would suggest you use the extra cash to just buy a tunze or something. Hope this helps you a little.
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