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 Blaxsun's Abyss: Red Sea 750XXL

Replies: 612

Views: 40,648

Large Build My lil reef

Replies: 604

Views: 56,564

Large Build Rob's Really Rad 180 Reef Rally

Replies: 599

Views: 45,172

Large Build The Black pearl/ Reef Savvy 240

Replies: 598

Views: 85,082

Large Build 240G front Drop off tank

Replies: 595

Views: 127,089

Large Build The Upgrade Build... From 110 to 180

Replies: 581

Views: 37,533

Large Build Smiddy's Reef 360 Peninsula

Replies: 572

Views: 52,765

Large Build New 180 Build - Mini Coop's Dream Tank

Replies: 520

Views: 39,390

Large Build Smite's Stout CDA - 205g Acropora dominant system 50x38x25"

Replies: 514

Views: 31,434

Large Build 300 Gallon In-Wall + Fish Room / 115 Gallon Frag Tank

Replies: 511

Views: 39,720

Large Build 250000 litre pool conversion to reef tank!

Replies: 507

Views: 50,892

Large Build [sponsored] Project Reef by Elder1945 200g

Replies: 504

Views: 133,492

Large Build AAA dragon 360g zeovit staghorn dominate reef

Replies: 465

Views: 61,388

Large Build 320 Gallon SPS Build

Replies: 445

Views: 148,834

Large Build Fish finder 325 Gallon Peninsula Build

Replies: 443

Views: 35,699

Large Build 380/500 Gallon Build

Replies: 440

Views: 51,872

Large Build Bryan's 220 Build - Wrasses and More

Replies: 438

Views: 41,274

Large Build Trido's 210 In-wall

Replies: 435

Views: 60,336

Large Build This girl’s 310g peninsula dream tank with fish room!

Replies: 434

Views: 43,966

Large Build Wen’s 280 Build

Replies: 432

Views: 26,131

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