Originally Posted by La Reina
My tank has been up and running for a month now. My tap water is clear for anything other than chlorine. My filter media is an Aqueon cartrige that is poly batting with carbon inside. I use AquaPlus water conditioner and Ammo-Lock. I added two Water Wisterias a week ago but they're in rough shape and aren't helping my water quality any.
Your tank is still cycling, at least that is normal so there is no unusual issue.
The Ammo-lock will detoxify the ammonia; from API's website:
detoxify ammonia and remove chlorine and chloramines. Locks up ammonia in a non-toxic form until it can be broken down by the tank's natural biological filter.
By AquaPlus are you referring to Tetra's AquaSafe? This is where their website says about AquaSafe:
BioExtract formula contains seaweed extracts (natural biopolymers), which support the development of beneficial filter bacteria for healthy and clear water. The added ingredients help to reduce aquarium pollution by strengthening the bacterial bed
I'm a bit uncertain about the "natural biopolymers", no idea if this is good or not. It is a water conditioner that does not detoxify ammonia, unlike the Ammo-lock. You really only need one water conditioner, one that detoxifies chlorine, chloramine and heavy metals, plus ammonia at least for the present. Prime will do this plus detoxify nitrite, so they claim.
These products detoxify ammonia by converting it to ammonium which is harmless to fish but will be used by nitrosomonas bacteria. Test kits usually read ammonium and ammonia as ammonia. So with a water conditioner that detoxifies ammonia, you will still get ammonia readings (until the tank is cycled) but the fish will not be harmed. Nitrite is a different matter; if you have nitrite above .25 a partial water change is recommended. Daily 50% pwc may be needed until nitrite has spiked and dropped to zero. Using Prime as the water conditioner might alleviate this; I've no personal experience with how Prime detoxifies nitrite.
So to get back to your original question in this thread, a second filter would be of no benefit because the cycle has to become established and the bacteria can only multiply so fast regardless of how many filters. Also, the added water current is something I would not recommend.