Hello I'm. Doing flood and drain and I have all healthy plants in week 4 and just the past 2 weeks 1 wilted and died then about 6 days ago another one did the exact same thing, now today another one has done it and a 4th is showing signs of doing it, the pistils go from white to brown when it happens. All were super healthy, the plants around them are fine. The water is being.chilled to 19 degrees celcius, air temp is a bit warm it's hot here, 30 degrees celcius but there's a fan moving lots of air and sucking lots out too, ambient temps are hot, they get flooded once an hour for 15 minutes, the ec is between 1.8 and 2.0 ph is between5.8 and 6.3 it drifts everyday, the grow medium is clay pebbles, the water isn't slimey or anything. I have missed a few lights off watering but there is always a it of feed left in the bottom of the flood trays. Man I really don't want them all the go down one at a time I don't know why this is happening.
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