stop using the filter?

[Nauplii]

ok i just read a site on keeping frogs you see and it says they dont need a filter... and i have a betta with mine and i know they dont usually need one.... and i was just wondering if i stopped my filter would it affect my 2 cories?
i have an ehiem (cant spell) 2008 i think in a 5gal (because i got it free)
i have an airpump

 

[Fat Boy]

I would keep the filter, all fish need clean water and your Betta and Cories are no different. True you don't need a filter just for 1 Betta, but you would then have to do weekly 100 % water changes, just my opion though.

 

[Nauplii]

ok, ive been told to make a spray bar to put on my filter to even out the flow

 

[cometcattle]

With the cories, I'd leave it on.

Also, you should try to set in on minimum flow. Bettas hate currant.

 

[Cheese Specialist]

Always keep the filter on. It's where most of the good bacteria (eaters of amonia, nitrite and nitrate) live.

Evening out the flow may be a good idea but depending on the size of the tank it may also be a good idea to have the flow in just one place so the betta can choose to be in it or not.

 

[Nauplii]

its a 5gal hex so... the current is a bit strong

 

[Cheese Specialist]

You have a betta, cories and a frog ina 5 gall hex?

Definatley keep the filter on in that case. It's small volume with a small surface area, you need some movement to encourage oxygenation of the water. Does the betta seem bothered by the current? If not, then leave it as it is.