i have a65g reef tank, my tank measures 36-24-18 what size pump would be best for my tank? i got the koralia 1 im not sure they are strong enough, it pumps the water on a wider range so its hard to tell
I have a 75 gallon mixed reef w/2 Koralia #4s on a wave timer & have good tank flow. Coral growth is decent & my GBTA has never moved. You should be fine w/2 #3s or 4s. If you have an SPS tank then I would up the water flow.
I believe the tunze nanostream 6025 is rated at 660 gph while a koralia #4 is rated at apx. 1200-almost double. It depends on your livestocks requirements and your personal preference.