Quote Originally Posted by Photo Engineer
Just remember that 13 rolls for 15 mins vs 4 mins for 1 roll represents a different level of concentration of ingredients and a different change in concentration over time, so that range of times vs rolls may not be a good predictor. Using 15 mins for 1 roll might be like driving in a penny nail with a sledgehammer.

Point taken PE but in respect of Mike Lyons' concerns about over-blixing, I think my paragraph, 3rd from end and based on Tetenal's instructions, suggests that a 33% overblixing is well within Tetenal's safety margin. Of course, it's Mike's call.