Quote Originally Posted by Zandor
I know a lot of people like to use only ½ strength nutrients and that puzzles me. If you use the proper nutrients at the proper cycle in the plants life you grow huge stress free plants.
Zandor,

Do you think that the Flora Series Weekly Feeding Program that GH gives with their systems is good for this type of plant? What i mean to ask is will i over fert by going the recommended strength?

Puff
puff4twentynow Reviewed by puff4twentynow on . Hey Zandor........ How much Cal-mag do you add to supplement your hydro grow? Bottle says 5-10 ml. per gallon of reservoir. I've been adding a bit less than that in fear of over-nute. I have a few older leaves on only two plants that are a bit yellowing but with some necrotic spots and patches. It looks kinda like the pic and description of Mg deficiency or Potassium deficiency. PLants are only at three weeks veg so I don't want to overload them. WOuld Silica Blast (Potassium Silicate) help if it was an Rating: 5