ok so i am moving over to a drip recirc system
the guy in the shop (groan now) says never use coco in recirc. coco RTW is his recomendation, but if i demand recirc (i do) then to use hydroton.
who what where when why is it so ?

ps i have used coco alot before and love it.



thats me vegging in coco to about 20cm/8in high, yes i love coco!