If I recall correctly a *guideline* for hydro is:

first 2 weeks, no nutrients
third week (or first set of true leaves) - 1/4 strength
fourth week - half strength
fifth week - full strength


These are five weeks old already, ppm around 300 (it raises) which is only 100ppm higher than the highest rated tap water i've seen. (Im using reverse osmosis water with ppm of 25)



Here are two shots from 14 days ago
Illusion Reviewed by Illusion on . Progress? I've noticed that the very tippy tip tips of the roots are kind of shriveling and turning brown, besides that they look nice and happy. I would love to know how old these are. I know they are well over a month old. Have I stumbled upon the world's slowest growing strains? Overall, for those of you who remember the pictures from my last post- How is my progress? PH Drifts from 5.5 - 6.1 I haven't added any more nutrients in the past week. I had it around 250, and It's raised to 320! Rating: 5