2 16's on a 20g 18" cube. I would opt for 2 16hds if you go the prime way. A 32 is good also.
May 3, 2023 #21 90's reefer Fight the Good Fight Review score +1 /0 /-0 View Badges Reef Tank 365 Hospitality Award Build Thread Contributor Joined Sep 10, 2018 Messages 8,040 Reaction score 14,214 Review score +1 /0 /-0 Location US Rating - 0% 0 0 0 2 16's on a 20g 18" cube. I would opt for 2 16hds if you go the prime way. A 32 is good also.
