Quote Originally Posted by AndreyV View Post
I use reel agitation and it was very interesting for me what is going on inside Paterson tank. Is agitation effective or not?
If you look at the Paterson instructions it suggests that inversion is the best form of agitation and that the twist stick is used just to dislodge air bubbles just after pouring in the developer.

http://www.photomemorabilia.co.uk/Pa...ns/System4.pdf


Steve.