Yup, the black part is carbon, which is what shewlett was talking about.
But remember I dont think bettas like a lot of flow so make it minimal.... also if there is too much surface agitation he wont be able to build a bubble nest!
I have a tiny one from PetaCetra on my little betta tank... and my little guy loves to sleep stuck to the intake! He's so lazy he could care less.
But remember I dont think bettas like a lot of flow so make it minimal.... also if there is too much surface agitation he wont be able to build a bubble nest!
I have a tiny one from PetaCetra on my little betta tank... and my little guy loves to sleep stuck to the intake! He's so lazy he could care less.