Tetra Whisper 60 Power Filter Replacement Impeller c2 mechanical frame it may be an indication

it may be an indication that reactive phosphate is being removed too aggressively

The 10-inch gooseneck allows aquarists to choose where specifically they want the light to be aimed and can also useful as an accent light on larger aquariums and terrariums

and biological filtration provided by beneficial bacteria after it begins to grow across the wide surface of the cartridge

Place cubes in a plastic container with enough aged aquarium water to cover and allow to condition overnight

Tetra Whisper 60 Power Filter Replacement Impeller c2 mechanical frame it may be an indicationReplacement Impeller for the Tetra Whisper 60 Power Filter. Tetra Part# 25870.