How to setup beta fish tank with no filter, heater, CO2, fertilizer:
Betta is a beautiful fish showing
its vivid colors & amazing fins. It needs a home where it can live a stress
free & healthy life.
People usually keep betta in a
little bowl which does not mean that it is living a good life because betta in
such environment can become ill. Don’t put betta in a tank lower than 5 gallons.
If you use a bigger aquarium, then it is better for betta.
Betta needs space for swimming in
the aquarium & needs caves where it can hide. Also if your tank has live
plants then it is a bonus for this fish. Plants can convert betta’s waste (which
is toxic as it releases ammonia in the water) into nitrite (still toxic &
can cause death of fish) & further converts it into nitrate which is less toxic
for fish & can be removed by changing water regularly. Hence plants provide
a natural filter for betta & adds to the beauty of the tank too. Betta likes
lounging on plant leaves & it feels more secure & comfortable to hide
in the plants & take rest. Plants can also provide a natural environment
for betta.
Watch video below which shows how to setup betta aquarium with no heater, no filter, no CO2 & no fertlizer.
Setup betta aquarium with no filter
A filter will keep the water clean but a betta tank without a filter, heater, CO2, fertilizer is possible and I will share in this article how you could setup a betta tank with low tech.
Tank Size:
Betta Tank Size
A betta fish should not be kept
in a 1-gallon tank; size should be at least 5-gallon or 20 liters. In my opinion,
bettas need larger aquariums because they need more space to swim & bigger
tanks can hold plants which can act as filter. Also little tanks are not preferable
because you won’t be able to maintain water quality because ammonia spikes can
happen very rapidly. Also you won’t need more maintenance if your tank size is
big. You can keep betta fish in a nano tank without filter, heater, CO2 &
fertilizers if the tank is heavily planted.
Mates:
Betta fish are considered semi
aggressive but every betta has its own nature. Some of them are aggressive
& they fight with mates but others are so calm that they are stressed by
mates. So in my opinion, it is better to keep betta alone. But if you want to
keep other species with betta then you must notice your fish for 3 days &
remove the new mates if you see any aggression. Listed below are fish species
that can hopefully live in peace with betta.
Betta Tank Mates
- Mystery Snails
- Ghost Shrimp
- Feeder Guppies
- Cory Catfish
- Harlequin Rasbora
- Neon Tetras
- Ember Tetras
- Clown Plecos
- Kuhli Loach
No Filter:
Plants act as a natural filter in betta tank
Bettas need an environment that
has enough oxygen & you can add live plants which will help you in
achieving this objective. Also you need to do regular water changes if you are
not using any tank filter. We recommend a 40% water change after every 3 days
in a no filter aquarium. Also filters can make a water flow which is very harsh
for bettas.
In order to have a betta fish
tank setup with no filter, no heater, no CO2 and no fertilizer, the tank must
be kept at room temperature and it should be heavily planted.
No Heater:
No need of heater if tank is kept at room temperature
If you live in a place where
water temperature does not fall below 24 degrees Celsius then you do not need a heater. Also if the tank is kept inside the house at room temperature,
then a heater is not required either. Monitor your tank temperature using a
thermometer.
No Fertilizer:
Betta waste is fertilizer for plants
If you want to keep plants
healthy then you will need fertilizers which can help them grow. However, fish
waste can act as fertilizers for plants & no external fertilizers are
required if you have fish in your aquarium because the wastes are consumed by
plants.
Betta fish waste settles in the
substrate of the aquarium where it is decomposed and release ammonia in the
tank. In the presence of light, plant will utilize all this waste (nitrate bi
products) to grow and in return give betta fish a clean tank to live in.
No CO2:
Plants inhale CO2 expired out by fish
Just like humans breathe oxygen,
plants inhale CO2. Most of the tank plants do not need extra CO2 because most
of CO2 they require is expired out by fish in your aquarium. If you are planning
to keep bettas & plants in one aquarium, then in my opinion a no supplemented
CO2 tank is a good option.
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