About 6 months ago I upgraded my 220 to a 300DD. I really like the dimensions of the tank but kinda worries me a bit after reading some horror stories on here about them breaking the seal... hoping that never happens to mine.
Some Tank info 300DD
Fish list
Blue hippo
Purple Tang
Sailfin tang
Spotcinctus clown
Onyx Clown
Halichoeres maculipinna aka clown wrasse
2 skunk tilefish
Formosa Wrasse
Red coris wrasse
2 melanurus wrasses
Yellow Coris wrasse
Harlequin Tusk
Cleaner wrasse
Marine Betta
Yellow head Jawfish
2 SGM Damsels
Invert list
2 cleaner shrimp
Whitespot anemone shrimp
2 tiger tail cucumbers
Magnificent Anemone
Numerous Rainbow bubble tips
GBTA
60g deep blue frag tank
95g sump from 302 aquatics
Skimz 255i octa skimmer
Avast marine spyglass reactor
Diy Cheato Reactor
Genesis Reef Systems renew pro and storm auto water change and top off system
Kalk reactor
Coralvue 8 bulb t5/diy led hybrid
4 Rossmont 4100gph mover pumps with waver controller
Aquatronica touch deluxe controller
I'll add more as I think about it