Just like any other fish, Betta fish need clean water and a good water condition for the well-being, avoid disease and deterioration problems.
The best filter for betta will help to prevent the build-up of harmful microorganisms of organic chemicals from the waste, dead plants, excess food. Due to this, a filter will reduce the effort that you have to pay for cleaning the tank.
In this post, you will walk through the detail of two popular filters: Penn Plax Cascade Hang-on Aquarium Filter vs Aqueon Quietflow Internal Power Filter. Considering these filters, you may get the best filter for your setup.
#1 Flow rate
The first important thing when choosing the fish tank filter is to consider if this filter can work for your tank or not. The filter flow rate that you need also depends on your tank size.
Ideally, for the best result, you should get the filter that can cycle through all of the water in the tank at least 3 times per hour. For example, if you have 5 gallons tank, you may get the filter with a low rate at least 15 gallons per hour.
Penn Plax filter can cycle 20 gallons of water every hour, which means it can handle a small tank up to 7 gallons. Aqueon Quietflow with the low rate is 57 gallons per hour, the manufacturer recommends using it for 10 gallons tank.
#2 Flow power
Betta fish prefer to live with low flow power. In the tank with too strong power rate, betta fish tend to get stress and cannot swim around.
Due to that, it is always better to get an adjustable filter. The best fish tank filters should allow you easy to control the flow power, or you will have to adjust the flow power by some other manual solution.
Penn Plax filter offers the adjustable knob, that you can easily increase or decrease the water flow. It is especially helpful during feeding times. Aqueon QuietFlow even allows users to control the flow rate, direction and height of the water.
#3 Media Filtration
Penn Plax provides three stages of filtration in an aquarium. The first stage of filtration is to use the poly fiber floss to traps any floating particulate matter such as the pieces of dirt and debris that contain in the water.
Then the activated carbon will absorb any impurities that discolor the water and reduces foul odors from your aquarium’s water. There is also the home for the growth of beneficial bacteria that proves the biological filtration for remove ammonia and nitrates.
Aqueon Quiteflow filter also offers 3 stages of filtration. The dense foam will trap all the particles and debris that float in the water. Then the activated charcoal does the task of remove toxins, discoloration and odors. Finally, the patented BioGrid reduces ammonia and nitrates.