yes they said i had to send it back, i guess to see if mine did quit working, there sending me shipping lable with the new one, im running a 900 maxi jet & a 320 pinquin now thats not enough flow for a 75g, but the new one should be here thursday or friday, do you think it would be ok till then/ i only have 2 shrimp & 2 fish in there right now,