30C Cube (7 gallon)
30C Cube is a 30 × 30 × 30 cm (11.8 × 11.8 × 11.8 in) aquarium, about 27 L (7 gal) to the rim. Its footprint is 30 × 30 cm and the water stands about 24 cm deep once a 6 cm substrate layer is in — the two numbers that decide what you can plant in it and what you can stock it with.
At a glance
| Size | 30 × 30 × 30 cm (11.8 × 11.8 × 11.8 in) |
|---|---|
| Volume | 27 L (7 gal) |
| Water after substrate | About 20 L (5 gal) with a 6 cm substrate layer |
| Footprint | 30 × 30 cm (11.8 × 11.8 in) |
| Water depth | 24 cm (9.4 in) |
| Substrate needed | About 5 L for a 6 cm layer |
Before it goes in
- 30C Cube is 30 × 30 × 30 cm (11.8 × 11.8 × 11.8 in) — about 27 L (7 gal) to the rim, and roughly 20 L (5 gal) of actual water once a 6 cm substrate layer and the hardscape are in.
- That layer takes about 5 L of substrate, which is what you order by.
- 15 of the 160 animals in this library list a minimum tank at or under 27 L (7 gal). The biggest of them that still fit are Amano Shrimp and Crystal Red Shrimp. Ember Tetra and Chili Rasbora need more than this.
- The water sits about 24 cm (9.4 in) deep over the substrate. Plants that get taller than that — Hygrophila corymbosa 'Siamensis' and Water Sprite — reach the surface and start growing along it, which is a look you either want or trim.
- Its footprint is 30 × 30 cm, and that is the area a carpet has to cover — the number that decides how many pots you buy, not the volume.
What are its dimensions?
30 × 30 × 30 cm (11.8 × 11.8 × 11.8 in).
How much water does it hold?
About 27 L (7 gal) to the rim, and roughly 20 L (5 gal) of actual water once the substrate is in. Stocking works off the second number; minimum-tank-size advice works off the first.
How much substrate does it take?
About 5 L for a 6 cm layer.
What fits in it?
15 of the 160 animals in this library list a minimum tank at or under its volume, and the water depth of about 24 cm sets which plants can grow without reaching the surface.
What fits in it
- Animals this size will hold: Crystal Red Shrimp, Pea Puffer, Mystery Snail, Ghost Shrimp and Amano Shrimp.
- Plants that stay under its water line: Anubias nana 'Petite', Cryptocoryne wendtii, Dwarf Hairgrass Mini and Frogbit.
Often compared with
| 30C Cube | Dennerle Nano Cube 30L | 60F Shallow | |
|---|---|---|---|
| Size | 30 × 30 × 30 cm | 30 × 30 × 35 cm | 60 × 30 × 18 cm |
| Volume | 27 L | 30 L | 32 L |
| Footprint | 30 × 30 cm | 30 × 30 cm | 60 × 30 cm |
| Water depth | 24 cm | 29 cm | 12 cm |