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[Reef Pilot]

Originally Posted by mrhasan

I thought many people say or flame people who start with sizes they can manage (usually on the smaller side) with a very common saying: The bigger, the better

Yes, and sometimes that is true, too. A small system, <30g can also be hard to manage with rapidly fluctuating parameters, esp if you don't have a sump or skimmer.

I think a good starting size for a 1st tank is around 50g with a sump and skimmer. That still allows for fast reaction to mistakes (water changes, etc), and provides all the necessary elements for learning. Plus you have some room for fish and corals. And if you do decide to get out of the hobby, your lost investment is not as bad.

But if you do get past all the learning and inevitable frustrations after the 1st year or so, then you will be in a much better position to properly plan and move to a larger system.