Just ordered a Red Sea Reefer Nano and want Tunze pumps in it. Would two 6025's in the corners work well? Or would one 6040 be better? It will be a mixed reef.
The 6040 is better because it is controllable and more compact, you could start with one, it would be enough flow, but you may want to add a second later to be able to change up the direction of flow.
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