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!
S
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My new Red Sea S1000 G3 build
Replies
9
Views
305
fishface NJ
fishface NJ
brunpa
    • 2 Thumbs
Large Build New waterbox 230
Replies
5
Views
193
MegabiteOG
MegabiteOG
JonoH
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Large Build 220 Gallon SPS Reef Build
15 16 17 18 19
Replies
370
Views
21,423
JonoH
JonoH
DarkReefer
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Large Build DarkReefer's CADE Reef S2 1800
11 12 13 14 15
Replies
286
Views
14,791
DarkReefer
DarkReefer
Fishfreak2009
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Large Build Fishfreak2009's 240 Gallon Build
2 3 4 5
Replies
91
Views
6,507
Fishfreak2009
Fishfreak2009
Dp916
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    • Wow
    • 2 Thumbs
Large Build Dans Reef Waterbox 7225 Peninsula
Replies
1
Views
101
Tahoe61
Tahoe61
Vrsache
220.6 waterbox build
Replies
15
Views
711
Vrsache
Vrsache
Martingale
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Large Build Custom Eurobraced Planet Aquarium 180G
Replies
16
Views
2,935
AlyciaMarie
AlyciaMarie
dzuckerm
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    • Love
Large Build Red Sea Peninsula G2+ S950 250 Gallon System
2 3
Replies
42
Views
5,969
dzuckerm
dzuckerm
Acrononomus
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Large Build Another Miracle, My Glass Box 400 gallon…
Replies
11
Views
1,652
Acrononomus
Acrononomus
M
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Knot Playin 225 Mixed Reef
Replies
11
Views
263
Gumbies R Us
Gumbies R Us
Stang67
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    • 2 Thumbs
    • Love
Large Build Third time better be the charm
312 313 314 315 316
Replies
6,301
Views
271,311
Stang67
Stang67
VerbsReef
125g Update
Replies
6
Views
429
VerbsReef
VerbsReef
hondacbr600rr
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Dave’s 310 Gallon Planet Aquarium Build Thread
Replies
7
Views
296
jackson6745
jackson6745
GOSKN5
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    • Love
Large Build 8’x4’ sea turtle lagoon!
Replies
6
Views
354
GOSKN5
GOSKN5
kboogie
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Large Build KBoogie's Upgrade of Marineland 300G to Custom 360 Built-in Second-hand
Replies
8
Views
339
kboogie
kboogie
CoralWealth
    • Like
    • 2 Thumbs
    • Love
Large Build CoralWealth's Rebuild - SPS Dominated
2 3
Replies
46
Views
2,941
CoralWealth
CoralWealth
Marcus1212
Large Build 360 gallon acrylic reef height challenge
Replies
8
Views
268
Marcus1212
Marcus1212
J
    • 2 Thumbs
Large Build SCA 180 Upgrade!
2
Replies
26
Views
1,181
revhtree
revhtree
glennf
    • Like
Large Build Glenn Fong's 700 liter fragtank
Replies
19
Views
737
X-37B
X-37B

WHAT AMOUNT OF LIVE ROCK AND SAND SHOULD BE PRIORITIZED FOR OPTIMAL BIODIVERSITY/FILTRATION?

  • 100% live rock + bagged sand

    Votes: 38 26.6%

  • 100% dry rock + 100% live sand

    Votes: 48 33.6%

  • 50/50 live/dry rock, 50/50 live/bagged sand

    Votes: 32 22.4%

  • 75% live rock, 25% live sand

    Votes: 15 10.5%

  • 25% live rock, 75% live sand

    Votes: 10 7.0%
See comments…
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