High quality King kamfa vender

[kelman]

Nirate never gets over 15, if need be ill do a bigger water change on sunday my sump contains 250 ml of purigen, chemipure elite, large media bag if carbon which i change every month. 6.5lbs of biohome ultimate media and a bag of Eheim substrate Pro

Why add carbon?

 

[#.$]

Why add carbon?

Discoloration in the water as well as odor. It also pulls out chemicals (which all tap water contians. I have dirft wood as well as oak leave in the sump.