[Thatgrimguy]

Originally Posted by salty joe

First, you might want to see where you are and go from there.

http://www.marinedepot.com/ps_search...20kit&parsed=1

Well. I guess I should have phrased that better. What levels are acceptable? Do they differ from a system not running a scrubber? What are the actual benefits and disadvantages? What is used to dose iron (is there a specific brand I should be looking for?)