Nutrient question for growing seedlings out of Rock wool cubes!!

K

Kushaholic88

Member
I currently have 3 seedling in rock wool cubes under 125 watts CFL's on a 18/6 rotation one of the plants has been germinating since June 22nd so its been growing 17 days the other two have been germinating since June 27th 12days. The 17 day old plant is growing nicely and it already has its second set of leaves I want to know when to start using nutrients on this specific plant?100_1350.jpg I was told to start watering them with nutes as soon as the second set of leaves starts showing. I was gonna mix Thrive B-1 Green, Sugar Daddy, Root 66... I have a picture at the bottom.
 
Vindicated

Vindicated

Well-Known Member
I'm not that familiar with those nutrients, but you can start feeding when the first set of baby leaves turn yellow and fall off. In soil I can go a month without feeding but with a nutrient free medium you start feeding a lot sooner. I would stay away from b vitamins though.
 
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