Can you put a betta fish in a BiOrb?
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The BioOrb does an amazing job keeping the tank clean and fresh. To help the process even more I bought Marimo Moss balls which I thought were a little gimicky at first, but not only do they provide great coverage for my Betta, but they also help maintain the environment in the BiOrb.
How many goldfish can I put in a 30 Litre BiOrb?
Tetra Fish This is a great fish to go with for the 1 gallon of water per inch of fish example. Based on this, in a Biorb 30 with 7 gallons of space, you could fit up to 9 tetra fish with ease.

How many fish can you have in a 30L BiOrb?
With a mature tank, good water quality and regular maintenance you could keep a community of 20 tiny nano fish in a 30 litre BiOrb, or 15 fish the size of a Zebra danio.
How many cold water fish can I put in a 30 Litre tank?
Whether you are looking for a child’s first fish tank or just an easy to maintain tank for yourself the 30 litre fish tank is a good option. It only has the capacity for five cold water fish but choose the right fish and it could be stunning. It is also a good number of fish for easy maintenance.

What fish can you put in a BiOrb?
A quick list of some suitable fish for BiOrbs include: Tetras, Minnows, Barbs, Danios, Cory Catfish, and Kilifish. When selecting fish, make sure to choose them from clean aquariums with no dead or dying fish.
Are BiOrb’s any good?
The biOrb is a beautiful tank and the lighting makes it look fantastic, especially at night. However, if your interest is in keeping several fish happy and clean, I would not recommend this tank. It’s a great decorative aquarium for one or two fish, but any more than that, you’ll be taxing the anemic filtration system.
Are Biorbs good?
How heavy is a 30 Litre fish tank?
Aquarium Water Weights
AQUARIUM VOLUME | SALTWATER WEIGHT | FRESHWATER WEIGHT |
---|---|---|
30 gal. / 114 liters | 257 lb. / 116 kg | 250 lb. / 113 kg |
35 gal. / 133 liters | 300 lb. / 150 kg | 292 lb. / 131 kg |
40 gal. / 152 liters | 342 lb. / 154 kg | 334 lb. / 150 kg |
45 gal. / 170 liters | 385 lb. / 173 kg | 375 lb. / 169 kg |
Are BiOrbs good?
How many fish can you have in a 30 Litre tank?
30L / 2 = 15 fish points.
What fish can live in a biOrb?
Can you put normal gravel in a BiOrb?
Reef-One advises against putting gravel, sand or small stones in the biOrb. Gravel is likely to reduce filtration and may become lodged in the filter cartridge casing. However, if you do use other gravel of ceramic media in your biorb or biube, make sure it is big enough not to get stuck in the bottom of the aquarium.