drop checker solution turning clear
I bought some 4dKH off of a member here and just started using it since I ran out of my last bit. I mix it in a bottle with my ph drops so that I can use it later and don't have to mix it every time. Overnight the blue has faded in the bottle with the mixed 4dkh and ph drops and has also faded in my drop checker to almost clear. Does anyone know the problem?