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 My 225 build

Replies: 10

Views: 708

Large Build Calling all 36" deep tank owners. Need advice!

Replies: 4

Views: 603

Large Build Upgrade time

Replies: 5

Views: 574

Large Build Large (18" dia.) Hollywood Stunner for FREE!

Replies: 2

Views: 359

Large Build David's 180 gallon mixed reef

Replies: 6

Views: 857

Large Build 300+ gallon multi-tank reef system

Replies: 16

Views: 1,944

Large Build Book's 184G Reef Tank.

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Replies: 23

Views: 1,556

Large Build New To The Hobby But I Want a Large Custom Tank Can U Guys Help Me Please

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Replies: 52

Views: 2,242

Large Build 220 lighting recommendations

Replies: 5

Views: 429

Large Build My Peninsula

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Replies: 72

Views: 7,040

Large Build Building a house and a tank ~400g in wall

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Replies: 89

Views: 9,193

Large Build My 210 gal Jump in with both feet build

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Replies: 20

Views: 1,136

Large Build Tap water or RODI?

Replies: 7

Views: 1,691

Large Build This is the dilemna stopping me from purchasing my 180 gallon

Replies: 12

Views: 570

Large Build BRS Red Sea Tank sale

Replies: 11

Views: 485

Large Build lets talk heaters for large tanks...

Replies: 9

Views: 743

Large Build naaa

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Replies: 107

Views: 6,162

Large Build BK's 205 gallon Wrasse Hole

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Replies: 37

Views: 2,889

Large Build screen tops for large tanks...custom or DIY?

Replies: 10

Views: 2,366

Large Build whats in your 200-240 tanks?

Replies: 18

Views: 972

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