Here's a tip on growing DWC, change the res wekkly, watch the res temp, and don't mess with your PH more than necesary. PH will climb in the res. It doesn't matter. when you do a res change, get the ph between 5.7 and 6.1 and your good. I never had any problems or deficiencies doing this.
Here she is 18 days from sprout. Leaves are displaying some heat stress related leaf curling. I switched the lighting schedule to allow for dark cycle during warmest part of the day. Luckily in a month or so it won't matter as much.
She is doing really well and has grown considerably this week. Still have her on 1/3 strength GH flora nutes, three part series (Veg recipe, 3-2-1). I have not added anything else including Cal/Mag. Her top leaves got a little close to the CFL which explains the brown tips. Very happy with her!
Here's a Monday update. 28 days from start. Preflowers are starting to emerge. I wish I could have got some pics of them but they are literally just coming out so it is next to impossible to get a good shot with my camera. I would imagine next week's update will have some showing pretty well.
For size I placed a soda can in the shot for reference:
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