well that basically doesnt matter because it leaked and flooded my floor

. the most painful 2 hours of my life. SO 4'x18"x18" tank it is. Ill be starting my build thread may ish. so i just want to give an overview of everything i planned.
Rockscape,
large central island in the middle with caves and some rocks here and there.
Equipment
Diy aio with filter sock chamber in the 1st chamber, 2nd chamber heater and hob skimmer, 3rd chamber mini refugium, 4th chamber return
random others
IO salt
salifert nitrate test kit
shop lights (doesnt really amtter that much.
refractometer
RO system
Stocking (subject to change)
Regal angel or japanese swallowtail (whichever one i find first I guess)
naokos wrasse
one spot foxface (first fish most likely just to combat algae)(will probably rehome when larger)
pajama cardinal
clown pair
midas blenny
A goby
pearlscale butterfly
Pygmy wrasse
Thats a abasic overview