Aqua Clear Filter Q's

[Invigor]

neither will work in a sw environment. ammo-rid and zeocard both has ammonia absorbing properties, but just get plugged up almost instantly with other minerals found in saltwater.

also, zeocarb is simply 1/2 ammo-rid and 1/2 carbon. You'll be fine with just the sponge and carbon..make sure to clean it though..doesn't take long for the sponge to plug up