Fluval C3 Hang On Power Filter (75L-190L) updated Hign levels of nitrate are

Hign levels of nitrate are a food source for unwanted algae and indicate poor water quality and health problems for fish

For tank size: 5 feet

The product not only contains iron (II)

Retains nutritional benefits

and TOXIC to about 0

Fluval C3 Hang On Power Filter (75L-190L) updated Hign levels of nitrate areFluval C3 Power Filter features 5 stages of filtration: 2 mechanical, 1 chemical and 2 biological filtration for great performance. An integrated trickle chamber filled with C Nodes is where biological filtration is super charged for fast and efficient nitrification. Mechanical filtration is performed by a dual layer of foam and polyester and is easily removed for quick cleaning. The patented recirculation grid enhances mechanical filtration when the