Perhaps we weren’t that far apart after all. I suppose I didn’t make myself clear enough.
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You’ve no experience with colour negative development yet and are asking whether you’d be able to manage with the Rollei kit. Of course you will; with so many different concentrates, you just need to work very carefully. However, the “ready-to-use” kit from Rollei with “ready-to-use” solutions should be much easier to handle, and I would recommend it to beginners who just want to “have a go”.
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Tetenal: I haven’t spent much time looking, but at a quick glance (e.g. here too) I can’t find a small kit anymore, and the Tetenal website doesn’t list any “amateur” sets at all. That doesn’t sound good to me; perhaps there are only remaining stocks left in the clearance sale.
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Homemade solution: I don’t want to try the host’s patience here, so I’ve posted something about it on an English-language forum:
http://www.filmwasters.com/forum/index.php?topic=8224.0
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In my opinion, processing at room temperature offers nothing but advantages; Rollei provides processing instructions for 45, 38 and 25 °C in the data sheets, and I have [s]inter[/s]extrapolated the curve down to 20 °C, with excellent results – see the link above. All that fuss about 38 °C was and is for commercial labs, where things have to be done quickly ‘come hell or high water’.
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Regards – Reinhold
PS: Blix/Bleichfix doesn’t keep for very long, whereas a pure Bleach bath lasts almost indefinitely and can be regenerated simply by shaking it to mix in atmospheric oxygen. The fact that it’s no longer available in this form is probably down to business considerations. Even my old Bleach bath won’t last forever, as it’s naturally subject to some degree of dilution as a result of the wet film every time it’s used. But you can probably use it roughly 10 times as long as a Blix.
