This is a calcium reactor that is 3 and a half feet tall 4 inchs in diameter. it includes the main chamber,secondary chamber also is 3 and a half feet tall, co/2 tank 10lbs., dual gauge regulator, selanoid,and bubble counter [is broken].This item is home made from a DIY web sit. It has been in use for 1 year and good for a tank up to 400 gals. The reason for the sale is that it is not large enough 4 my tank.price is $350 local pic up only because tank is full of co/2.Pics always avail.
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