Water Chemistry

So I finally decided to take the plunge into bio-pellets even though there are mixed reviews out there. I had been debating it for months and trying to read up on the best way to go about it but could not make a decision. There were just too many options and the reactors seemed endless. Then I saw the larger pellets that didnt need to tumble, so I figured I would give it a shot and ordered two 500 ml Reef Interest bags with a Phosban reactor 550. The reactor had nice large grates to allow good flow ...