yeah it probabli be that cuz im growing in hidroton rocks and i water em mi self but i tink is heat strees because the fan leaves tips are curlingh doown
i got two flurecents one of 105w and the other of 150 w and the temp is 78 but the other day i was doing someting and the temp went to 90 but i have it on 78 always am giving a normal dose of earth juice grow