Bromoil Workshop Notes.pdf - Primrose Park Art & Craft Centre

P r i m r o s e P a r k P h o t o g r a p h yB r o m o i l W o r k s h o p N o t e sb y T o n y P e r iBLEACHING THE PRINT (Continued…)1. Super Dry the print2. Soak the print in water for 5-10 minutes at 20˚-24˚3. Bleach the print in Bromoil Bleach solution diluted at 1 + 3 for 5-20 minutes. Agitate continuosly or any air bubbles will show up later as white spots. The image should almost disappear and be a faint green colour in the shadows. If it is a reddish colour you have not fixed the print properly.4. Rinse for 30-60 seconds5. Wash bleach out of print for 15 minutes6. Two bath fixer (2 + 2 minutes)7. Rinse/wash for 30-60 seconds in fresh water (not in bleaching wash)8. Hypo clearing agent (agitate continuously for 3 minutes)9. Wash print for 20 minutes minimum and then dry.“Bromoil Bleach Formula” Stock solution★★★★★Copper Sulphate - 60gPotassium Bromide - 60gPotassium Bichromate or Potassium Dichromate - 3g7% Acetic Acid - 14 mlDistilled Water (if water is ‘hard’) to make 2 litres.Use 1+3 with water and use a fresh batch for EACH print. Only a small amount needed per tray but agitateconstantly. Eg: A 16 x 20 print needs only 800ml of bleach (ie 200ml bleach + 600 ml water).