From the Prochem Data Sheet:
For direct stain removal, dilute 200ml. B175 per litre of water (1 to 5)
For carpet rotary and upholstery shampoo application, add 100ml. B175 per litre of
ready-to-use B105 Fibre Shampoo solution (1 to 10).
Apply to affected area by sprayer, leave for 5 to 15 minutes, then rinse extract with
clean water.
For severe stains, dilute B175 with an equal part of water and leave for a longer
period before rinsing.