Build your complete reef system

Start with a tank — we'll size the lighting, flow, skimmer, heating and everything else for that exact volume, then price every part live across retailers.

1 Choose a tank

2 Configure the gear

3 Price & share your build

📐

Design a custom tank Rimless, DIY, drilled, or a model we don't list yet — type your dimensions and watch it render to scale, then we'll size every piece of gear to it.

Length

Width / depth

Height

Quick start:

Volume

50 gal

Liters

189 L

Class

Mid

Build this tank →

Volume is the full glass box (L×W×H ÷ 231). Real water volume runs ~10–15% lower after rock, sand and freeboard — fine-tune it on the next step.

Nano (≤ 32 gal) 9 tanks

AIO

Fluval

Fluval Evo 13.5

13.5 gal · 51 L · 22×11.5×12.5"

Waterbox AIO 15 Peninsula

15 gal · 57 L · 19.7×13.8×13.8"

16 gal · 61 L · 15×16.75×17.5"

Innovative Marine NUVO Fusion 20

20 gal · 76 L · 23.6×15×13"

20 gal · 76 L · 17.7×17.7×15.7"

20 gal · 76 L · 17.25×16×16"

20 gal · 76 L · 17.7×17.7×17.7"

Innovative Marine NUVO Fusion Lagoon 25

25 gal · 95 L · 23.6×19.7×11.8"

32 gal · 121 L · 20.25×21.9×19.1"

Beginner

$490 Build this →

Mid (33–70 gal) 8 tanks

AIO

Waterbox

Waterbox AIO 35.2

33 gal · 125 L · 23.6×19.7×17.7"

Red Sea Reefer 170 G3

34 gal · 129 L · 23.6×19.7×20.1"

37 gal · 140 L · 23.6×22.6×21.7"

40 gal · 151 L · 36.2×18.25×16.9"

Innovative Marine NUVO Fusion 40

40 gal · 151 L · 23.6×19.7×18.9"

49 gal · 185 L · 35.4×19.7×17.7"

Red Sea Reefer 250 G3

54 gal · 204 L · 35.4×19.7×20.9"

66 gal · 250 L · 47.2×19.7×17.7"

Intermediate

$990 Build this →

Large (70+ gal) 10 tanks

rimless

Red Sea

Red Sea Reefer 350 G3

72 gal · 273 L · 47.2×19.7×20.9"

75 gal · 284 L · 48.5×18.5×21.1"

90 gal · 341 L · 48.5×18.5×25.1"

Red Sea Reefer 425 G3

91 gal · 344 L · 47.2×23.6×21.7"

Waterbox INFINIA Reef 150.4

106 gal · 401 L · 48.2×25.3×21.7"

Red Sea Reefer 525 G3

112 gal · 424 L · 59.1×23.6×21.7"

Marineland 120 Gallon

120 gal · 454 L · 48×24×24"

125 gal · 473 L · 72.5×18.5×23.1"

Red Sea Reefer 750 G3

158 gal · 598 L · 70.9×25.6×23.6"

Waterbox INFINIA Reef 230.6

167 gal · 632 L · 72.3×25.3×23.6"

Advanced

$5,149 Build this →

Prices shown are approximate street prices for the tank alone. Add gear in the next step for a full system total. Don't see your tank? More models are added regularly.

Some links here are affiliate links — AllCorals may earn a commission at no extra cost to you. As an Amazon Associate we earn from qualifying purchases.

Build your complete reef system

Nano (≤ 32 gal) 9 tanks

Mid (33–70 gal) 8 tanks

Large (70+ gal) 10 tanks

Report an Issue