this thread is old .... however ..instead of making a new one ...
there is a difference .. eco aqualizer does not kill good organisms ( zooplankton etc) like a uv sterilizer! .... if any of you knew how ionization works ...then u would understand how awesome this is!!!!
most people are clueless... ive had mine for about 2 months .. and i can see why the company gives such a great guarantee ,, i doubt they get ANY back