@Christifer, I do a normal water change and let bottles 3,4,5 dose. Then I wait for bottles 1,2 to adjust the pH. I usually give it about an hour to let the water aerate before I add any additional nutrients.
I use advancednutrients nutrient-calculator to help me with dosing. Yes, I do add them all at the same time.
For some reason, I cant post the link. But, it’s easy to find from the main website.
So far, adding everything according to the dosing calculator doesn’t raise the ppm enough to cause any problems.
As for the lights, this is a good rule of thumb, but I wouldn’t go above 600 micromoles/m2/s until flower stage:
To Maximize growth, we suggest ordering an inexpensive Par Meter and/or use this guide:
Bottom threshold for optimal growth and photosynthesis is a DLI of 22:
24/0 schedule: 254.6 micromoles/m2/s-1
18/6 schedule: 339.5 micromoles/m2/s-1
12/12 schedule: 509.25 micromoles/m2/s-1
The Top threshold for optimal growth and photosynthesis is a DLI of 65 moles per day.
***Extremely important notice, only go up to these amounts if you are using supplemental CO2, do not go this high if you are not using supplemental CO2 as you will actually slow down photosynthesis and waste energy.
24/0 schedule: 752.31 micromoles/m2/s-1
18/6 schedule: 1003.08 micromoles/m2/s-1
12/12 schedule: 1504.6 micromoles/m2/s-1
The generally accepted guidelines for artificial light PPFD in flowering during 12/12:
PPFD of at least 510 micromoles/m2/s-1 for the low end of optimal intensity
PPFD of at least 800-1100 micromoles/m2/s-1 for optimal lighting WITHOUT additional CO2.
PPFD of at least 800-1500 micromoles/m2/s-1 for optimal lighting WITH additional CO2.