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 Glass cages 310G 7 foot reef tank and fishroom build out

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Replies: 86

Views: 5,667

Saturday at 9:27 PM

Large Build Welcome to all the fun: setting up a 12 foot reef tank

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Replies: 168

Views: 14,737

Saturday at 7:59 PM

Large Build Fishfreak2009's 240 Gallon Predator Build

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Replies: 43

Views: 2,267

Saturday at 12:17 PM

Large Build Lee’s 180 gallon Planet Acro Tank

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Replies: 157

Views: 9,371

Friday at 7:59 PM

Large Build 336 Peninsula build

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Replies: 83

Views: 5,186

Friday at 7:36 PM

Large Build Third time better be the charm

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Replies: 3,891

Views: 133,961

Friday at 2:54 PM

Large Build Back in the tank!! 240 G Tank Help a fellow reefer out!

Replies: 9

Views: 864

Friday at 12:02 PM

Large Build RedSea Reefer 750 Renovation

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Replies: 33

Views: 1,520

Friday at 12:16 AM

Large Build Lbacha’s 310g GlassCages SPS build

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Replies: 51

Views: 2,205

Large Build Not a nano tank anymore! Digital Reef 300g?

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Replies: 53

Views: 2,360

Large Build Red Sea Peninsula G2+ S950 250 Gallon System

Replies: 13

Views: 1,694

Large Build Eight foot tank!

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Replies: 27

Views: 1,155

Large Build 200 gallon peninsula

Replies: 6

Views: 157

Large Build Bipolarbear's new kitchen (with 225gal peninsula)

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Replies: 81

Views: 4,966

Large Build The 215g FOWLR+

Replies: 5

Views: 153

Large Build @ReefStash CADE Reef S2/P Peninsula 228g mixed reef tank build

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Replies: 201

Views: 23,976

Large Build Jimbo's CDA 250 Build

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Replies: 50

Views: 1,751

Large Build Jason's 360G Build Thread

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Replies: 62

Views: 4,088

Large Build Bruttall's 96x24x31 300gallon glass cage

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Replies: 104

Views: 6,280

Large Build My 180 gallon reef

Replies: 1

Views: 75

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