Kevnep, this is slightly off topic but I have to mention something along with your quest to find out the 'perfect' fungicide for root rot...
Not many have had root rot and thus dont know what is effective
I have killed dozens of nepenthes during my second year of growing
Nepenthes due to root rot, whether it be from over watering or as what you have said, fungus attack on the roots. I have never used fungicides due to a few reasons:-
a) they're chemically dangerous to plants and humans alike (you never know what they could do in long term)
b) need lots of research etc. to find the correct fungicide with the right chemical ingredients
c) some brands are just plain hard to get here (Malaysia) but I don't know about you over there
I have come down with one conclusion:-
If the roots are unhealthy and poor, root rot will definitely occur even if you treat it with fungicide or other methods. So my advice here is, better change your media for your plants or make sure your growing conditions for the particular plant is proper. I remember you mentioned in the other forum that your watering schedule and system is not the issue but what about other conditions? And the plants affected are the recent ones from EP, if my memory serves correctly, right? Plants are sensitive when acclimatizing to any different environmental changes, so check on other factors too eg. humidity, temp. There is no point if you treat your neps with a fungicide and kill off the fungus only to have it attack again due to the poor, unhealthy root system.
That being said, I would like to hear other member's opinions regarding fungicide contents and their effectiveness. Please do note, this is
JUST my
opinion and my friendly advice to you as a grower who has encountered root rot before. Good luck!