I have used Tetenal C41 kits in the past and had very good luck with them, even with reusing the chemicals to get more life from them (as per the directions). The last set of C41 chems I bought were the Kodak 1 gallon dev and 1 gallon fix and bleach. As you know these small sizes seem to have been discontinued. From all the threads I have seen recently on mixing your own C41 I suspect many others are in the same boat as me in not wanting to spend $250 on bleach in the 12 gallon size. Is there a good reason not to use the Tetenal 5L kit? I can't remember why I switched, but I think it was comments about their 3 bath E6 kits that made me move to all Kodak. No I am thinking I will go back to Tetenal for C41 unless someone gives me a good reason not to. One bonus is you can get it shipped from B&H.