I recommend Square Frog's video… don't bother with 'tempering' just use room temp water and go.
http://www.youtube.com/watch?v=Vu0Ul_wsYO8
For the actual film / developer time go to Digtal truth's , Massive Dev Chart
http://www.digitaltruth.com/devchart.php
Works for me. All you need to see, read, and know. Good luck!
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