I've been using a "brand" to treat my fish and saw what was inside it.
[background=rgb(240, 255, 255)]Malachite Green, Formaldehyde and copper sulphate[/background]
Does Formadlehyde kill the bac on your filters? Clearly this bottle states its safe for "Plants, Filters and Fish".
[background=rgb(240, 255, 255)]Malachite Green, Formaldehyde and copper sulphate[/background]
Does Formadlehyde kill the bac on your filters? Clearly this bottle states its safe for "Plants, Filters and Fish".