All feeds with nutes use either a whole ratio, or combination, of "Veg Mix" and "Bloom Mix"concentrates. These are/will be DILUTED in water until a total ppm of add-in is reached using a (Total Dissolved Solids) TDS Meter measured in PPM (parts per million). The "Veg Mix" concentrate will eventually be added-in larger, then smaller, ratios while the "Bloom Mix" concentrate will eventually replace the "Veg Mix" concentrate entirely. The ppm and ratios will be listed when I feed. Veg mix recipe is on week 3. Bloom Mix recipe is on week 5.
Day 91/21
Replaced the small modified tomato ring with a full size 3 ring tomato support ring so I could support every branch. I made this decision on seeing a lot of my 90 degree breaks from yesterday as still mostly 90 degrees.
I also removed the tape from around the split and placed a wire tie under that trunk to ensure it was secure. After that I also placed a tie on each cola split just past my breaks and another higher up as an upper support.
VPD was great aagain today. 74F/55%RH/ Auto ILV but raised the fan setting from 4 to 5 so it didnt have run as long to get it back into range.
PPFD was a bit off yesterday and today from all of the sudden changes, But I raised my lights today and returned the settings to 750 max and 550 lowest.
This meant that I needed to move my fans as well. They are now on medium setting and all were checked for movement to as many branches as they can hit.
Day 92/22
Watered for salt flush today. Used 3 gallons of purified water at 7.1ph water no additives. PPM was about 70 after ph'd. Ended up with ~ 1.25 gallons of runoff that showed 5.95 and 5.98ph on two meters. Top soil tested at 6.44, 6.63, 6.36, and 6.47ph for an avg of 6.475. Runoff also showed 1540 ppm
VPD was controlled with having the door open for a few hours. Temps and humidity are 72F and about 50%RH with the door open, and about 75F and 55%RH with it closed. ILV still on auto fan setting 5.
PPFD was adjusted to 820 max and 600 lowest - I used 1 hour total of IR at mainlight on/off with 15 minutes before and after switch. She got another 45 minutes of UV today as well. I plan to increase to 1 hour tomorrow.
Day 93/23
Week 3 of flower and most all is well. I did however find some light burn. I say light burn because the only conditions that changed was 15 minutes more UVA today and the spots are on the leaves closest to the light. Feed yesterday was plain ph water and it improved both the topsoil and bottom runoff ph so I dont think it's a nute issue. My solution is to take control pics and reduce UVA back to 45 for another day or two to see if the condition persists or advances. Otherwise PPFD was about 820 down to 600. I used 1 hour of UV and 1 hour of IR at lights on/off
Other than that it was a lazy football day while I just leave her alone. VPD was normal with humidity easy to control at 55%RH or less and temps ranging from 74-76F during the day and down to 66-68F at night.
Day 94/24
Checked in on "light burn" control leaves and took pictures. My analysis is to reduce lights a little more so now max is 795ish. Went ahead with 45 minutes of UV light at mid day and 1 hr IR on the same standard I have been using.
Fans still on medium and since I dont believe the spots are related, I plan to leave them on that setting. Overall I dont see much need to change anything at the moment with the spots not getting much worse or at least not that noticeable other than what has happened already and I already reduced the lights a little. If I can identify any more new spots today or tomorrow I will reduce by another 25ppfd. And if not, then the next day I will try 1 hour of UVA again.
Temps and Humidity are controlled at the same 74-76F and 55%RH or lower. My plan is to keep RH that level throughout and possibly try to reduce again to as close to 45% as I can get. (edited)
Day 95/25
Reviewed suspected light burn and didnt see any progression either yesterday or today against my control pics from the day before. So I went with running UVA for 1 hr at mid day again today. Still using 1 hr IR on the same standard I have been using.
VPD was good today with same settings of 73-76F and 55% or lower RH.
Day 96/26
No issues to report today. She still has what looks like light burn on the older upper leaves, but doesnt really look to be getting worse and the lights are not getting brighter by growth anymore so I plan to leave them where they are and back them down if I see it get more progressive.
Conditions in the tent are the same as yesterday... like little to no vertical growth in two 2 days and no need to change anything. I 'do' adjust the ties daily to ensure they are not creating a pressure point. Most aren't even supporting anything and some are just pushing the cola back or out from others.
PPFD is 800 max and lowest is about 580. I ran 1 hr UVA midday with the same 1 hr IR at 30/30 with main light schedule that I have been running.
Temps steady. 73-76F in the day and 66-68F after lights out. RH% is 55 or less with the fan on auto.
97/27
Watering day. Started by testing /calibrating meters. Used 2.5 gallons of de-chlorinated tap water with starting ppm of 227, added ~700ppm of 100% Bloom Mix concentrate (actually 686ppm added) and ph balanced feed to ~7.0 tested on two meters. Fed until bottom drip began and got ~7cups in runoff after about 10 minutes of drain. Runoff produced 2 meter tests of 5.8ph with 1520ppm. Top soil was tested 4 times for an avg of 6.3752. Next feed will be sooner, thinking like in 4 days instead of 5 and I can adjust if she seems to dry out again. I'll be looking for ~1/2 gallon of runoff to estimate next feed from.
Light burn doesnt seem to be getting any worse. UV lights are doing 1 hr a day, midday, for the rest of the week and then I will increase a little per day each week until harvest. IR is still doing the same settings until harvest as well. 1 hour with 15/15 before and after main light schedule and 1 hr total.
VPD is controlled with no issues of temps or RH exceeding set limits. 73-76F and 65-68F overnight with no more than 55%RH while the ILV is set to auto.