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Does a freshwater aquarium need an oxygenator?

freshwater aquarium
Monkey Chunks asked:


Hi, I just set up my first aquarium. It is 10 gallons size. I filled it with filtered water(brita filter) Installed the mechanical filter (with biobag in it) Installed the heater. The mechanical filter is running and cycling the water.

My question is whether I need to purchase an oxygenator (other name) the submerged device that will keep generating air bubbles.

Later I intend to put guppies, tetras, and a couple shrimp into this aquarium.

Thanks for advice

8 comments to “Does a freshwater aquarium need an oxygenator?”

  1. You don’t HAVE to get an oxygenator.

  2. i would it makes the tank look better when u put them in the graval and plants and caves and its good 4 the fishs health

  3. yes it will help

  4. As long as the output of the filter breaks the surface, there’s no need for any other oxygenation. Oxygen enters at the surface, and wherever there’s a surface at which water and oxygen meet, oxygen dissolves into the water, and surface agitation is essential in this process.

  5. Oxygen products such as air pumps aren’t essential, though they are highly recommended.

    They don’t cost too much so it’s ideal for your fish and pocket.

    Oxygen is needed so that the bacteria needed in the daily life of fish can survive. If there isn’t enough oxygen in the water, the beneficial bacteria may die.

    Best of luck!

  6. I use air in my tanks with fish such as bettas they seem to do better and are more active.

  7. No, that is unnecessary. As long as you have a filter that pumps the air (with the oxygen) through the water.

  8. no you do not need to purchase an oxygenator. Fresh water fish do not need one unless you have a monster tank

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