Fotospeed BT20 Blue Toner 150ml (to make 1.2 Ltrs)

Fotospeed Blue Toner Kit BT20 is an Iron Blue Toner which comes in three parts to make a single working solution. Equal parts 1,2&3 are diluted with water. Full instructions supplied (with each kit)on mixing ratios and timings to achieve shades, depth and brilliance of blue tones required.