reverse wet dry?

[convict3]

i thinking of getting a ac110 for my 55 gal cichlid tank and was thinking of makin a small slit in the foam block and inserting a air stone. will this work as a reverse wet dry filter and give the added benfit?

[CHOMPERS]

When the foam is full of trapped air, water will not flow through it.

[convict3]

kk thx chompers