The fish tank filter cannot replace the aerator. Filters can only maintain water quality, although they can also increase a small amount of dissolved oxygen, but the increase of oxygen is limited, for some larger fish, oxygen pumps are still needed to increase dissolved oxygen. In addition to filtration, regular water changes can also increase dissolved oxygen, partly because the new water has enough oxygen, and partly because some oxygen will be brought in during the water change process.
1. Arowana: Arowana is a large ornamental fish with a body length of about 65 centimeters. It has a relatively high demand for oxygen, so it needs to be oxygenated with an aerator at all times. This kind of fish has a ferocious temperament, mostly feeding on meat, usually feeding small fish and shrimps, feeding two to three times a day, and regularly changing water for it.
2. Siraitia grosvenorii: Siraitia grosvenorii, also known as color bream, is an artificially cultivated ornamental fish with a bulging head that looks like an arhat. This kind of fish belongs to high oxygen fish, which needs a lot of oxygen, so it needs to use an aerator to supply oxygen. It has a high requirement for temperature, which is generally kept at about 28 C. It can be fed with natural or artificial feed at ordinary times.
3. Parrot fish: Parrot fish is small in size, but this kind of fish has a natural disadvantage, that is, the mouth can not be closed, can not control the flow of water, so it must be in an environment with high oxygen content to survive, if artificially raised, it is best to use an aerator to oxygenate all day.
