Wolverine97 Well-Known Member Feb 5, 2011 #21 Almost certainly Cal/Mag related, but could stem from overfeeding and not supplementing cal/mag if using ro water. It could also be the result of an over-moist medium or your ph drifting too high.
Almost certainly Cal/Mag related, but could stem from overfeeding and not supplementing cal/mag if using ro water. It could also be the result of an over-moist medium or your ph drifting too high.