1) Temp fans kick on: probably 105C. Probably will not hear them but should see the temp drop fairly rapidly.
2)VFC tropical: check this thread:
http://www.peachparts.com/shopforum/showthread.php?threadid=43792 and this one:
http://www.peachparts.com/shopforum/showthread.php?threadid=48223
3) Water Wetter: check my page (www house below),
menu #16. Distilled water with 40/60 MB AF/water is the 'best'.