My two are daisy chained together off of the same unrestricted Maxi-jet 400. I run about a cup of fine lignite carbon in the first and a cup of rowaphos in the second. Both medias I change monthly. My 270gal system always has very clear looking water, phosphate is undetectable now after a year. Originally when I started running the two I would receive .75 on an elos phosphate kit. Only now after a year am i finally seeing the bryopsis in my system going into remission. Originally I had perhaps a square foot of bryopsis and now all I have are just two very small patches.
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