Best Betta Fish Tank: Fluval Flex 9 gallon VS. Marineland Portrait 5 gallon


Finding the best betta fish tank can be a difficult task to do. You have to invest lots of effort, doing research about what is betta fish requirement. 

If you are a beginner and do not have any experience before, it is better to get started with the fish tank kit.

Fluval Flex 9 gallon VS. Marineland Portrait 5 gallon are two of those kits that easy, convenient, and come with almost all you need to keeping betta fish.

#1 Design

The similar feature of Fluval Flax and Marineland is that they are rounded front and the curved corners which giving them a unique and elegant look. This also allows you to look at the fish from different angles and make the cleaning on the glass walls is easier.

Marineland portrait 5 gallon is vertical; therefore it is quite difficult for you when cleaning since you will have to submerge your aim into the water when cleaning or changing water inside the tank. 

However, the portrait shape also allows you to place your aquarium in the placement that the normal standard aquarium wouldn’t fit.

A Fluval Flex 9 gallon is a square shape that means you can put it at the place that the rectangle tanks couldn’t place.

#2 Size

5 gallons tank size is compact, this size allows you to place your aquarium in the small space such as a desk. Besides, 5 gallon is the minimum tank size that you should provide for your betta fish, that means you should not keep them in the under 5 gallons sized tank. 

However, once you add substrate, decoration, and plant and into the tank, they are also taking the living space of your fish.

In this case, Fluval Flex 9 gallons tank seems to be the better option for your betta fish. 9 gallons will provide enough space for the fish to swim around and also keeping the water conditions stay stable. It won’t require as much effort of maintenance as a smaller gallon tank.

#3 The lights

The advantage of lighting systems in Marineland Portrait 5 gallons is that it reproduces the light that betta has in their natural environment. These LED lights have a white and blue color. 

The white mimic natural sunlight on the water and the blue light mimics the beams of the moon on water at night. However, the drawback is that the amount of light that it emits is not enough to grow plants.

 The light of Fluval Flex 9 gallons gives you lots of benefits. It allows you to adjust the light brighter or dimmer easily, which you cannot do with the light of Marineland Portrait. 

It is also can change the colors from a variety of different colors. The only drawback is that sometimes it seems to be too bright for your fish.