i may be wrong but all hydroponic applications call for consistent contact with nutes and the medium...in this case hydroton...even bubble buckets require moist hydroton for the roots to grow down and thru and into the bucket...i just top fed by hand just to make sure im on top of everything...once the roots hit the bubbling nutes ...there was CRAZY growth...the new hydrohut deluxe they gave me looks just like the old one but the light blocker for the top zipper is on the inside of the hut ...the poison one i had had the zipper cover on the outside.

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"The avatar is from my very first grow ...many moons ago....i dont have a green thumb , but its only gotten better from there..!!"