Sep 30, 2009 #1 Elan Well-Known Member View Badges Joined Jan 29, 2009 Messages 547 Reaction score 3 Location Miami Beach Rating - 0% 0 0 0 They both have the same dimensions except 618 is taller by a few inches but both hold 12 lbs of media. Why are they $100 apart?
They both have the same dimensions except 618 is taller by a few inches but both hold 12 lbs of media. Why are they $100 apart?
Sep 30, 2009 #2 m and m 2500 Club Member View Badges Photo of the Month Joined Aug 22, 2009 Messages 3,705 Reaction score 26 Location Nj Rating - 0% 0 0 0 I belive the 618 holds more media, meaning its for a bigger tank.
Sep 30, 2009 #3 aerius007 Well-Known Member View Badges Joined Jun 25, 2009 Messages 808 Reaction score 14 Location ohio Rating - 0% 0 0 0 the numbers are the size of the reactor I believe, 612 is 6" diameter x 12" height, the 18 is 18" height.
the numbers are the size of the reactor I believe, 612 is 6" diameter x 12" height, the 18 is 18" height.
