need a prefilter sponge now

[1 LARA]

I just got 4 big emerald green corydora and 1 of them kept getting stuck
I decreased pump flow and want to fix the situation
What kind of prefilter sponge is proper for cascade 300 hob?
Imediat respons appriciated

 

[1 LARA]

I just ordered this
13.44 shipped

 

[Terrance]

If you need it fast, then head over to petsmart and buy this product: Amazon.com: Fluval EDGE Pre-Filter Sponge: Pet Supplies

 

[1 LARA]

Here it is