I'm moving everything from my 10 gal nano reef, as soon as my new 20 gal cycles. I currently have:
1 clownfish
1 watchman goby with pistol shrimp
1 purple pseudochromis
Hermit crabs and snails
1 Pipe organ coral
and some polyp frags.
Question 1: What sort of hardware should i get for the new 20...