im not sure the room never goes above 78 F i am using clay but i rinsed them well! before use. i know its the nutrient.. its dark like the organic plant stimulator. it looks like the stimulator is gunking over the roots.
5 plants in a homemade DWC system
. i found an organic nutrient made for hydrogardens Its the botanicare line. im having a problem with a nutrient build up on my roots that looks like mud covering my roots. i changed the solution and flushed the roots till they were white again. I mixed the...