Which is best!!!!

my rockwool as now rooted like mad and its time to go hydro and im wondering what to do im putting the rock well in 5 ltr drain pots but unsure weather to use CLAY PEBBELS or GRAVEL any advice on which to use

open to sugestions 2 as these plands ate now 10 inch wit some roots a foot long need transfering asap as ther currently only in 6 inch containers on 2 inches of pebbels

also once i go hydro how often do i water n how much


cheers

Isnt the point of hydro so you woudnt need to water it?
I would suggest going with a hydro setup suggested by your local hydro shop.

i know i dont ater it manualy anymore with hydro but do i set a timer to the water pump or leave it on 24/7 cheers