Tips for 125 reef
In a couple days a good friend of mine is getting a 125 gallon aquarium which he plans to set up as a reef aquarium. It will be his fist marine aquarium, I will be helping him set it up though I have only ever had fresh water planted tanks. Any tips from experience or knowledge I should know for this scale of reef aquarium. I've already read a couple of books on Reef aquariums but any input will most likely help.