yeah new soil each grow, i suspected that might come from 2cm 3cm clay pebbles i reuse bottom of pots , i did rinse them recently without success, i did not sterilize them tho but i think a pathogen issue would not look like that. and lights are rather recent.
yeah new soil each grow, i suspected that might come from 2cm 3cm clay pebbles i reuse bottom of pots , i did rinse them recently without success, i did not sterilize them tho but i think a pathogen issue would not look like that. and lights are rather recent.