subcool

So first time using organic and I went to rotate the fabric pot and found this there were some on top just wasn't like this and I removed it this thing is big should I get something that kills fungus and and bennies back or wat. If this happened to you wat would you do or do I leave it alone

I was considering using biotabs and biobizz on my next grow, but since I’m in the US it might be more cost effective to use this organic super soil concentrate from Amazon with roots organic soil.: Organic Super Soil Concentrated Strength . Was wondering if anyone has tried this before Or...