I know there are probably millions of reviews and comments, but i figured i would share my experience. i have had mine for a few days now and i have to say I LOVE THIS THING. the fact that i was able to get rid of all my hydors and free up space for one pump is just awesome. i have been keeping it on NTM 24/7 and putting it in night mode every night and i think this is exactly how i am going to run it, i played around with all the modes but i don't think any of them compare to the NTM mode. and one last thing i read all the time about how noisy these things are? i totally disagree this thing is dead silent to me and its in my room. maybe people aren't setting theres up properly? or getting bad pumps who knows but i am totally pleased good job ecotech. i don't agree with the price tag but hey i am not going to complain at the same time either.