I want to know can anyone recognise this yellowish whitish looking stuff in my pots. I hand water in seperate pots using a 50/50 mix of ffof and coco. been at it a couple of years now and this is my first time seeing this. i did have a couple plant show stress signs but pretty much they turned out fine, however after the harvest while emptying the pots i noticed this yellowish looking stuff that appeared to be thousands of eggs or maybe mildew. please help as this may cause unwanted problems in the future!