Large Aquariums 180g - 399g

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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!
N11morales
Large Build Waterbox lx 330.7- Reefmat install
Replies
12
Views
1,238
Raptor72
Raptor72
TBSB2019
    • Like
Large Build Waterbox 330.7 Build
2
Replies
33
Views
4,180
Raptor72
Raptor72
S
    • Like
My new Red Sea S1000 G3 build
Replies
10
Views
441
hi.im_edgar
hi.im_edgar
ReefQuestCorals
    • Like
Large Build 300g Acro Lagoon
Replies
8
Views
481
ReefQuestCorals
ReefQuestCorals
TheCountryReefer
    • Like
Large Build Innovative Marine 200g INT Peninsula in wall build
Replies
17
Views
571
beardedman11
beardedman11
James Hopkins
    • Like
Large Build 270G - 4'x8' Plywood Frag Tank Build
2 3 4
Replies
73
Views
12,001
DIYreefer
DIYreefer
Daasmo
    • Like
Daasmo's IM 200EXT
2
Replies
34
Views
1,281
Lex_510
Lex_510
427HISS
Large Build 125g or taller/deeper 210g ?
Replies
2
Views
43
427HISS
427HISS
Trickman2
    • Like
    • Love
Large Build Trickman2's - 280 Gallon Upgrade
7 8 9 10 11
Replies
211
Views
27,497
Trickman2
Trickman2
Fish Think Pink
    • Like
Large Build my 180g tank build when returning to saltwater hobby
2
Replies
39
Views
5,972
Gumbies R Us
Gumbies R Us
Fishfreak2009
    • Like
Large Build Fishfreak2009's 240 Gallon Build
2 3 4 5 6
Replies
108
Views
7,530
JumboShrimp
JumboShrimp
hondacbr600rr
    • Like
Dave’s 310 Gallon Planet Aquarium Build Thread
Replies
12
Views
531
akma
akma
TL1
    • Like
    • 2 Thumbs
    • Love
Large Build New Reefer S-1000 Build (210 Gal), Reefer 350 Upgrade.
3 4 5 6 7
Replies
125
Views
12,135
PPBlimpy
P
H
    • 2 Thumbs
    • Like
Henk’s Reef Tank
Replies
11
Views
516
Henkie
H
K
    • Like
    • Love
    • 2 Thumbs
Large Build Project Patriot’s Serenity - Where The Lake Meets The Ocean (365 Gallon Reef Tank)
2 3 4 5 6
Replies
108
Views
10,640
ReefLaw
R
Smite
    • Like
Large Build Smite's Stout CDA - 205g Acropora dominant system 50x38x25"
25 26 27 28 29
Replies
570
Views
62,133
Smite
Smite
LAReefer4Life
    • Like
    • Love
Large Build Cade 1800 S2 Peninsula Build
4 5 6 7 8
Replies
150
Views
19,755
Assaf1919
A
J
    • 2 Thumbs
Large Build SCA 180 Upgrade!
2
Replies
27
Views
1,402
Antics
Antics
fltt
Large Build Need Advice – Is My 240g Acrylic Tank Repairable?
Replies
15
Views
356
fltt
fltt
petcellar
    • Like
Large Build Pet Cellar’s Poor Decisions Red Sea build
2 3 4 5
Replies
81
Views
6,143
petcellar
petcellar

HOW IMPORTANT ARE FISH TO MAKING A REEF TANK FEEL COMPLETE?

  • Essential! A reef needs fish movement and personality

    Votes: 17 60.7%

  • Very important, but one or two fish may be enough

    Votes: 4 14.3%

  • Optional... a coral-only reef can feel completely finished

    Votes: 0 0.0%

  • I actually prefer a coral-and-invertebrate-only system

    Votes: 0 0.0%

  • It depends on the tank’s size, style, or purpose

    Votes: 5 17.9%

  • I’ve kept a fishless reef (details in the comments)

    Votes: 1 3.6%

  • Well...it's complicated... (answer in the comments)

    Votes: 1 3.6%
See comments…
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