I'm sure you have nothing to worry about. Out of the hundreds that are kept by people here it's really no surprise that I would be the one thats having problems with them.
Snake_Eyes;910568; said:So last night I got the new ac110 up and running and I noticed that there was an grinding sound coming from it, the sound comes and go's every couple minutes (or so) so after about a half hour of this I took out the propeller and put it back together again and started it up. Same thing again but I noticed that if I have the flow fully reduced that it doesn't make any noise.![]()
Any thoughts on whats going on?

MonsterFishOwner;911602; said:i had the same problem i bought 6 from drs foster and smith and all of them did it![]()