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!

Large Build The Peninsula - 200g Mixed Reef

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Replies: 51

Views: 9,202

Large Build The Long Story of my 180G Upgrade

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Replies: 22

Views: 3,183

Joshua Kerstetter

Large Build Just For Fun Red Sea Reefer 3XL 900

Replies: 9

Views: 2,594

Large Build JerSaint’s 265 “The OptiMystic Reef”

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Replies: 27

Views: 2,323

Large Build 180 gallon

Replies: 3

Views: 479

Large Build In which, Dave starts an argument over his tank idea.

Replies: 11

Views: 706

Large Build Waterbox 6026 Peninsula

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Replies: 30

Views: 4,935

Large Build Anirban's piece of ocean (200 Gallons of sps)

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Replies: 29

Views: 1,468

Large Build New 180 Build (Forced but FINALLY!!!)

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Replies: 63

Views: 3,676

Large Build 300+ Gallon Reef Refresh

Replies: 2

Views: 332

Poseidon's snail

Large Build New 350g build plumbing question

Replies: 1

Views: 412

Large Build Should I get it!!! 96x30x24 300g

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Replies: 30

Views: 1,499

Large Build Help!!!!! looking for 180 peninsula

Replies: 16

Views: 1,072

400 gal and multiple tangs........Mission Impossible?

Replies: 1

Views: 348

Large Build Creating a flow pattern

Replies: 4

Views: 659

Large Build Finally ! 240 gallon in wall reef tank set

Replies: 10

Views: 605

Large Build GOSKN5's 180 gallon soft coral and gorgonian dominated!

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Replies: 54

Views: 4,642

Large Build 224g build

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Replies: 90

Views: 9,089

Large Build The Panic 220 SPS and 270 Mixed Reef

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Replies: 108

Views: 7,512

Large Build Mussin's 180 build

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Replies: 26

Views: 1,421

Reef Breeders

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