Aquatop Forza PFE-4 Replacement Cartridge fish food the chemical basis for this

the chemical basis for this test assures that interference from other substances is highly unlikely

and black silicone

Limestone Ground

as directed on their label

which may deplete or alter the oxygen levels of your aquarium as a side effect

Aquatop Forza PFE-4 Replacement Cartridge fish food the chemical basis for thisThe FORZA 25 40 replacement cartridge insert is made of strong poly fiber and collects organic debris for easy removal. Filled with AquaTop's Premium Activated Carbon, these replacement pads are extremely easy to install and help keep aquarium water crystal clear and free from odor. NOTE: AquaTop recommends replacing the Filter Insert filled with Activated Carbon every 4 6 weeks. Aquariums with heavier livestock loads may require more frequent