I was reading the thread about mulching and this came up. I'm sure it has been discussed but how about it RUI growers? Do you put an inch or so of perlite in the bottom?
i tried pebbles on bottom for drainage read the same thing but seen no noticeable differance so i stopped pain in the ass seperating pebbles at end of grow.
Adding a layer at the bottom never hurt but i feel like its unnecessary if your actual mix already has a good percent of perlite in it. Id say its just preferance.