Hi there. GD's tech support still can't confirm my account. So I haven't any chance to answer to your comments.
On 85th day I sprayed a plant with fungicide 'cause it's about 75% of humidity in the night. Worried about mold.
It's still green, not purple.
Feeding chart:
Day 84: 2l 6.0ph 919ppm -> 0.35l 6.5ph 675ppm
Day 85: 2l 6.2ph 930ppm -> 0.65l 6.4ph 749ppm
Day 86: 2l 5.8ph 142ppm -> 0.65l 6.2ph 720ppm
Day 87: 2l 5.9ph 791ppm -> 0.5l 6.2ph 702ppm
Day 88: 2l 6.0ph 655ppm -> 0.6l 6.2ph 624ppm
Day 89: 2l 5.9ph 735ppm -> 0.5l 6.2ph 731ppm
Day 90: 2l 6.0ph 675ppm -> 0.5l 6.1ph 779ppm