Winterwind,
Try this thread from a couple of months ago. It has some info regarding all of this stuff.
Tony
http://www.aquariacentral.com/forums/showthread.php?t=46438&page=1&pp=15
+++++EDIT+++++++
Ha! I see you participated in that thread!
Oops
++++++++++++++++
Try this thread from a couple of months ago. It has some info regarding all of this stuff.
Tony
http://www.aquariacentral.com/forums/showthread.php?t=46438&page=1&pp=15
+++++EDIT+++++++
Ha! I see you participated in that thread!
Oops
++++++++++++++++