Samoa Kush DWC with Electric Sky ES300

I gave the plants a 24 hour dark period before switching to 12/12 light schedule. Day 1 -1:30pm: ph 5.9, ppm 399, 8.5" water level Day 2 -12am: ph 6.1, ppm 406, 8.25" water level -1am: rez change. 13g @ 5.9ph, 590ppm, water level 8.5" -Previous ppm was 450-480 and plants would eat to below 400. Seeing some potential nute deficiency, so increasing ppm to 590 wit rez change to evaluate uptake. -9am: ph 6.5, ppm 635, 8.3" water level, Added 1.5g water @ 555ppm, 6.0ph, 9" water level -12pm: ph 6.2, ppm565, Added 1g water to bring ppm down @ 533ppm, ph 5.9, water level 9.2" -1:30pm: ph 6.1, 528ppm -5:30pm: ph 6.2, 522ppm, 9.1" water level -11pm. ph 6.2, ppm513, 8.9" water level. Added Added 1g 1x nutes @ 535ppm, ph 5.8, 9.125" water level Day 3 -8:30am: ph 5.9, ppm 560, water levelt 8.6". Added 1g water @ 519ppm, 5.9ph, 9.2" water level -2pm: ph 5.9, ppm 515 -4:20pm: ph 5.9, ppm 513 -10pm: ph 5.9, ppm 508, water level 8.75" Day 4 -8am: ph 5.8, ppm 490, 8.4" water level. Added 1g water + calmag @ 484ppm, 5.8ph, 8.8" water level. -1pm: ph 5.8, ppm 481 -11:30pm: ph 5.8, ppm 465, 8.6" water level. Added 1g water + calmag + 1tsp of micro, grow, bloom @ 525ppm, 6.0ph, 9.125" water level Day 5 -9:30am: ph 5.8, ppm 512, 8.6" water level -9:45pm: ph 5.8, ppm 490, 8.4" water level -10pm: added 1g 2x nutes @ 556ppm, 5.9 ph, 9.1" water level -Noticed a mg deficiency, so added 2 tsp of CalMag to Rez. New ppm 605. Day 6 -9am: ph 5.7, ppm 603, 8.5" water level. Added 1g water + calMag @ 582ppm, 5.7ph, 9" water level. -1:30pm: ph 6.1, ppm 667, 8.9" water level -9:45pm: ph 6.0, ppm 576, 8.7" water level -10pm: Added 1/2 g water with calmag. Reduced ppm to 563ppm, 6.0ph, 9.1" water level. Day 7 -1am: ph 6.0, ppm 563, 8.8" water level -8am: ph 5.9, ppm 563, 8.5" water level. Added 1/2g water with calmag @ 551ppm, 8.8" water level. -11am: ph 5.9, ppm 551, 8.75" water level. -1:30pm: ph 5.9, ppm 551, 8.65" water level -10:45pm: ph 5.9, ppm 550, 8.4" water level