Day 19:
3.5 gallon water, 2 tsp maxigro, 1.5 tsp hydroguard, 1 tsp calmag
Resulted in 6.6 PH, 640 ppm
Added 5 ml of ph down
6.1 PH
7.0 in the evening, added 7 ml ph down
Day 20:
6.5 PH, 71 temp, 670 PPM
5th node was nice and visible, topped to 3rd node.
6.5 still in the evening, added 5 ml of ph down
Day 21:
5.3 PH, 73.8 temp, 730 PPM
Notes to self is once PH settles for that 12-18 hour period, less PH down will be needed
Day 22:
5.5 PH, 71.8 temp, 690 PPM
Day 23:
5.5 PH, 75.2 temp, 710 PPM
Day 24:
5.6 PH, 72.6 temp, 690 PPM
Changed out to new Mars Hydro TSW-2000 lights. Set to 18 inches away and running on 50% currently to adjust.
Day 25:
Adjusted light to 55%
5.7 PH, 73.9 temp, 710 PPM.