Jun 13, 2017 #1 S SFields1618 New Member Does anyone know what this is? And how to treat it if something needs to be done?
Jun 13, 2017 #2 S Scientific New Member Looks fungal or bacterial. You could probably just strip away the old grow cube (it looks like that's what it is) and reduce the amount of water at the top of your hydroton. (Do you have a top-watering outlet?)
Looks fungal or bacterial. You could probably just strip away the old grow cube (it looks like that's what it is) and reduce the amount of water at the top of your hydroton. (Do you have a top-watering outlet?)
