I picked up a small one of these to turn the sand in my chalice tank. I have two Vortech MP40Ws in this tank (turned down to 50%) and it looks like a dust storm in the tank when he is out sifting. Substrate never looked better though.
I guess be careful what you wish for, you just may get it!
Dave
I guess be careful what you wish for, you just may get it!
Dave