I have an eheim canister thats made for tanks up to 65 gallons. Would my tank benefit with this filter or should i get a bigger one.
It would help but ideally a bigger one would be better. Im still a bit dumbfounded. You may have a bad test kit. Cant see anything that would cause that much NH3 unless it was a brand new tank or you were overfeeding. Doesn't seem to be the case, unless something happened recently that caused your bio to fail and cycle over again. You lose power or have the tank off for an extended period of time?