sodium thiocyanate. I have about 1LB available...willing to sell smaller quantities $45 for the pound
I used this to make GP1 gold toner
Hydroquinone can sell up to 1LB $16. 250 gms $12. use to make your own developer
plus shipping
I used this to make GP1 gold toner
Hydroquinone can sell up to 1LB $16. 250 gms $12. use to make your own developer
plus shipping