There are a few tips I can give you to help with crystal clear aquarium water. I will show you how to load your FX6 cannister filter with poly-fil.
Crystal Clear Aquarium Water - (Easier than you think)
Aquatic Experts Aquarium Filter Floss for Fish Tank
Poly / Polishing Pad Filter Media Mod for Spec Aquariums - Spec-Tanks
How to setup an AQUARIUM! 220 GALLON
Does poly fil pillow material make a cheaper but great aquarium filter floss??
HOW TO REMOVE ALGAE FROM A FISH TANK
Poly-Fil for Aquarium - (HOW TO USE IT) #shorts
Poly / Polishing Pad Filter Media Mod for Spec Aquariums - Spec-Tanks
Does poly fil pillow material make a cheaper but great aquarium filter floss??
POLISH YOUR AQUARIUM
Selecting The Backing, and Filter Medium for an Aquarium