Dophin · Rimless
GT3000 Series Glass Tank
- Volume
- 14.8–57 L
- Dimensions (L × W × H)
- 30–50 cm long
A budget nano or small scape where you plan to choose your own light, filter and CO2.
5 models
SunSun · Rimless
SunSun HRK Series Open Nano Aquarium
Open-top ultra-clear tanks with curved (hot-bent) front corners and 5 mm glass, from a 3.5 litre pico up to 55 litres. Nothing is included, which leaves you free to choose light and filter.
Updated
3.5–55 L6 models
Will it suit my tank?
litres
Best for
Nano scapes and shrimp tanks where you want an open top and your own choice of light and filter.
Worth knowing
Bent-glass corners distort the view slightly at the edges.
What stands out
- Six sizes from 3.5 to 55 litres
- Ultra-clear 5 mm glass
- Polished, curved front corners
- Anti-slip mat included
Models and specs
| Model | Volume | Dimensions (L × W × H) | Glass |
|---|---|---|---|
| HRK-180 | 3.5 L | 18 × 14 × 17.5 cm | 5 mm |
| HRK-230 | 5.5 L | 23 × 16 × 19.5 cm | 5 mm |
| HRK-300 | 8.5 L | 29.5 × 20 × 21.5 cm | 5 mm |
| HRK-380 | 14 L | 38 × 26 × 27 cm | 5 mm |
| HRK-500 | 31 L | 50 × 30 × 30.5 cm | 5 mm |
| HRK-600 | 55 L | 60 × 30 × 33.5 cm | 5 mm |
- Brand
- SunSun
- Glass
- Ultra-clear, 5 mm, hot-bent corners
- Top
- Open
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all aquariums
Dophin · Rimless
GT6000 Cube Glass Tank
- Volume
- 15–18 L
- Dimensions (L × W × H)
- 25 cm long
A shrimp or nano cube with mosses, small epiphytes and a carpet, where the taller GT-6002 gives a little more room for stem plants.
2 models
Oase · Rimless
ScaperLine
- Volume
- 75–250 L
- Dimensions (L × W × H)
- 60–100 cm long
Aquascapers who want an open-top, show-quality tank and cabinet that match, and already know which light and filter they want.
3 models
UNS · Rimless
90-Degree Rimless Aquarium
- Volume
- 3.8–76 L
- Dimensions (L × W × H)
- 16–60 cm long
A first planted tank or a shrimp and betta setup where cost matters more than seamless corners.
12 models
Frequently asked questions
Quick answers about the SunSun HRK Series Open Nano Aquarium, drawn from its specs.
How many litres is the SunSun HRK Series Open Nano Aquarium?
HRK-180: 3.5 L, HRK-230: 5.5 L, HRK-300: 8.5 L, HRK-380: 14 L, HRK-500: 31 L, HRK-600: 55 L. Expect about 15 to 20 percent less water once substrate and hardscape are in.
What filter do I need for the SunSun HRK Series Open Nano Aquarium?
For the HRK-180 (3.5 L), look for a filter rated at roughly 20–40 L/h. Our filter matcher lists the ones that fit.
Who is the SunSun HRK Series Open Nano Aquarium best for?
Nano scapes and shrimp tanks where you want an open top and your own choice of light and filter.
Is there anything to watch out for with the SunSun HRK Series Open Nano Aquarium?
Bent-glass corners distort the view slightly at the edges.
What are the alternatives to the SunSun HRK Series Open Nano Aquarium?
Other aquariums worth comparing: Dophin GT3000 Series Glass Tank, Dophin GT6000 Cube Glass Tank, Oase ScaperLine. Add any of them to the compare table to see the specs side by side.