I tend to make my long winded points in several posts for a good reason. I absolutely HATE writing a 20 page post and then accidently deleting it before it gets to the boards. This way I know for sure my 20 pages makes it to the thread.

So to continue.....there are several things I would suggest to try and hold off root rot but you CANT DO THEM ALL AT once so pick one and use it. I've used hydrogen peroxide to treat root rot successfully. The store bought 3% I use at 2 tsp/gallon and the 35% hydro kind I use 2 mls per gallon every other day. I know others who use stronger doses but that's what works for me.

OR you can use a product like Rhizotonic to help treat and a zyme product (I like Cannazym) to help PREVENT root rot but you can NOT use these products while using
H202 since it will kill off the active enzymes in your Cannazym/Rhizo products.

Most importantly you need more space for the roots and without that nothing else you do will solve the issue. As you have discovered diseases like pythium wilt and such will kill your plant in almost no time at all so prevention is DEFINITELY much better than trying to cure it.

As far as your ppms numbers go......that seems odd to me with such lows ppms numbers but for god sake don't change anything just because I said that. (You probably aren't anyway which is smart but.....) If those numbers are working for you I would HATE to kill off your plants by saying something off the wall like "hey there guy raise your ppms" only to fry your entire crop. So just forget I ever said anything about the ppms there and we'll leave that one at that.

Magnanimous........I'm going to go write that one hundred times on the board. I'm not even sure I spelled it right THAT time. :wtf:

Good luck......hope that info helps