FishForums.com - View Single Post - How do you know if your sponge filter is working?

Ringo · 09-07-2006, 05:41 AM

I have no clue, I have the same thing you have (only the triangle one) and I have that in my 10G hospital tank.

I've never really questioned whether the sponge filters actualy work, just kinda figured that they must work in there own way

09-07-2006, 05:41 AM	#2
Ringo I'm just a Twig Join Date: Apr 2006 Location: The Sticks Age: 16 Posts: 964	I have no clue, I have the same thing you have (only the triangle one) and I have that in my 10G hospital tank. I've never really questioned whether the sponge filters actualy work, just kinda figured that they must work in there own way