hey guys, I want to try some colloidal silver treatment for some fem seeds, my friend gave me some ionic silver 16-20ppm which supposed to be the equivalent to 50-60 PPM Colloidal silver, does anyone know if this will work?
The Info on the bottle reads:-
"Colloidal Silver manufactured...
I have a question. Is it possible to refill a carbon filter bought form a store with new active carbon or do i have to buy a whole new carbon filter?