Quote:
Originally posted by Butcher:
Why do you need such a powerful pump? I have a Eheim 1048 (600l/h) and it's plenty powerful enough... Don't forget bigger pumps put out more noise and heat not to mention they're just bigger so need a bigger space for mounting.
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I find that even though the pumps are rated at a certain LpH, the actual flow could be only 10% of their claim depending on tubing length, etc. Through testing, I found that one with a flow of around 1200L/H works well - that's roughly 5GPM. In actuality, that's around 1GPM with my 2m of tubing....