Large Aquariums 180g - 399g

A forum for people interested in keeping large aquariums. This forum is dedicated to water volumes of 180 gallons to 399 gallons. Anything more is a monster tank!

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Large Build Going Big For a First Tank

Replies: 18

Views: 1,390

Large Build Waterbox 190.5 Build

Replies: 18

Views: 1,187

Large Build Office Tanks

Replies: 18

Views: 1,105

Large Build TWF's 340 Gallon In-Wall Build!

Replies: 18

Views: 1,785

Large Build Video of my 375G Reef

Replies: 18

Views: 1,196

Large Build Phillygeeks' 225 Reef

Replies: 18

Views: 1,183

Large Build Here we go... Wife approved in wall (I know, seriously)

Replies: 18

Views: 618

Large Build Drago 256g in wall, ground up build

Replies: 18

Views: 1,149

Large Build Somewhat unexpected Redsea 3XL 900 build!

Replies: 18

Views: 1,116

Large Build 600 plus Fowler system

Replies: 18

Views: 1,519

Large Build Waterbox 220.6 mixed reef tank build

Replies: 18

Views: 1,518

Large Build Mehaffydr 225 Tank rebuild

Replies: 18

Views: 1,030

Large Build New build 300g basement sump...Need ideas.

Replies: 17

Views: 982

Large Build The Fish Room(s?)

Replies: 17

Views: 2,080

Large Build HIS ginormous tank idea has begun 96 x 42 x 48......

Replies: 17

Views: 1,095

Large Build DanP_SD’s 300g Build Thread

Replies: 17

Views: 1,097

Large Build My 260 gallon.

Replies: 17

Views: 1,272

Large Build Leveling 265 Gallon Aquarium

Replies: 17

Views: 1,153

Large Build PTSD treatment tank

Replies: 17

Views: 989

Large Build Phone Video Experiment 325 Display

Replies: 17

Views: 1,147

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