So I was running back and forth from my room and when I come in again I realize my filter had stopped. The filter had drained all the water from it and it was trying to run without any water. So I filled it up and found that the tube wasn't totally in so I pushed it in and it wouldn't start. I unplugged it and plugged it back in and it would not start. The past week it has been making this sputtering noise like it is trying really hard to get water up. I didn't think anything of it until now. I tried again this morning and nothing. What would be great is any tips on fixing it. But I doubt there is anything I could do to revive it, so what do I do now? How do I go about putting in a new filter, and what do I do until I can get a new filter? Help is most appreciated.