Bix22
Aquarium Advice Freak
- Joined
- Mar 1, 2013
- Messages
- 211
I was on angelsplus.com looking at the sponge filters for an "instant cycle" of my 3 month old uncycled tank. I had a question for them since I have a HOB filter, he said I could hook the sponge on the HOB uptake, is that possible? How else can I use the sponge filter?