Week 1 (31-1 to 6-2)
As for my waterings, i give RO water, with 0.50 grams of Calcium, and 0.2 ml of Atami Rootbastic a liter.
Growdiaries wont let me put my nutrients in grams so i'm forced to choose mililiters.
31-1
Watering: 20 ml.
1-2
Watering: 20 ml.
2-2
Watering: 20 ml.
3-2
Watering: 20 ml.
Heights:
Chemdog#1: 6cm
Chemdog#2: 5cm
4-2
Watering: 40 ml.
5-2
Watering: 20 ml.
6-2
Watering: 60 ml.
Heights:
Chemdog#1: 6.5cm
Chemdog#2: 5.5cm
Your plants look like a nutrient issue. Ph maybe. It should be getting 1700-2100 ec right now. I add 250ec cal/mag lotus nutrients. And 1600 ec lotus grow. Been working great for my plants around that age. Also use RO water always. Don't go off ppm for measuring your nutrient water only use EC.