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 Rick's 220g Reef

Replies: 16

Views: 1,238

Engineeringman27

Large Build KC's 180 gal reef

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Replies: 39

Views: 3,934

Large Build Dust Particles In My Tank

Replies: 1

Views: 529

Large Build Simon's 265

Replies: 10

Views: 1,407

Large Build The 240 Gal Failure

Replies: 7

Views: 1,441

Sense of nature

Large Build Moving my 180G+95G+30G to 300G

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Replies: 48

Views: 3,215

Large Build zach_discus 220g reef build

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Replies: 26

Views: 2,613

Large Build Will my floor cave in with my 300gallon build?

Replies: 6

Views: 1,111

Large Build 300 to 375 gallon tanks??

Replies: 2

Views: 695

Large Build Dan's 220 Gallon build with extras

Replies: 6

Views: 1,283

Large Build Daniel Nestorio 300gal live reef sunken ship

Replies: 16

Views: 7,961

Large Build Large custom tank manufacturers

Replies: 15

Views: 1,639

Large Build Just wanted to share some pictures of my current tank and get some insite on my new build.

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Replies: 37

Views: 1,603

Large Build My obsession, almost 4 yrs old

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Replies: 36

Views: 3,914

Large Build Voter ex XL de filter questions and related challenges

Replies: 3

Views: 671

Large Build Ian's 400 Gallon System

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Replies: 89

Views: 6,443

Large Build 600 Gallon Hawaiian Reef Addiction

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Replies: 138

Views: 20,418

Large Build Noah's Ark (265 gallon DT + 80 gallon FT)

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Replies: 24

Views: 2,837

Large Build Tall tank flow question

Replies: 6

Views: 984

Large Build New 8' sump/refugium for my 450g

Replies: 2

Views: 506

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