D Das Salz Zwei May 30, 2015 #1 Thoughts on using foam for mechanical filtration in a three chamber sump/refugium vs using bio balls of some sort with no foam? I've heard the foam can turn biologic and increase the nitrates.
Thoughts on using foam for mechanical filtration in a three chamber sump/refugium vs using bio balls of some sort with no foam? I've heard the foam can turn biologic and increase the nitrates.
E Eckolancer Membership Expired May 30, 2015 #2 I would go with the bio balls or the big bio ball block. The block can be easy removed and rinsed off if it's dirty. Sent from pay phone in the airport.
I would go with the bio balls or the big bio ball block. The block can be easy removed and rinsed off if it's dirty. Sent from pay phone in the airport.
