All feeds with nutes use either a whole ratio or combination of "Veg Mix" and "Bloom Mix"concentrates 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 smaller ratios and "Bloom Mix" concentrate what will eventually replace the "Veg Mix" concentrate entirely with the ppm and ratios listed when I feed. Veg mix recipe is on week 3. Bloom Mix recipe is on week 5.
Day 49
VPD is okay now - temps at 75F RH also now at 65% with ILVent at 50% = VPD of 1.04 -
ppfd also same as yesterday mostly 480 to 490 around the ring with 510 and 520 in the center
Took ph readings as well - 3 readings 6.43, 6.48, and 6.37 to avg 6.426
Which is good because she's starting to show signs of stress after the topping and defoliation from a couple days ago. The leaves are starting to curl at the tips and the bronze color stripping is happening again - however this time seems to be a slower progression so Im hoping that having the correct ph this time will help while she's re-routing her resources. I 'did notice also that the growth tips seem to be growing at a slower rate than before - I think she's at her limit in colas and the roots are having to find more space to spread, may even be too big for the 5 gallon pot. I have no plans to change her out just yet, but will monitor.
Soil is drier today - so I will be watering tomorrow with de-chlorinated water at 6.4ph
Day 50
VPD was good at 74/64 with the tent open while I feed that I left it open for a bit and took time in feeding and cleaning - after all that still good at 74F/61%RH/50%ILV
ppfd was checked after water and setting back - same as yesterday as most of the newest growth is still coming from the new colas - most seem to be adjusting 1 at a time in each split but both are showing growth now on all cuts.
Started feed by making new ph buffer solutions, calibrating/testing both meters. The have about a .15 variance between the two.
Checked weight and made 1.5 gallons of feed. started at 228ppm added 450ppm veg and 150ppm bloom for a total of 833ppm feed/epsom salt - splashed h2o2 and ph'd to about 6.4- I fed via watering can and spray and fed the whole amount slowly since I was feeding until bottom drip and she took it all before starting to bottom drip. Afterwords I let her drain (about a quart came out) and checked ppm from runoff at 2500 (telling me she's okay but isnt eating as much as before her topping yet) ph is a mystery - I show 3 readings from top level of 6.62, 6.57, and 6.57 for an avg 6.586 but 2 separate readings from 2 meters (4 readings total) on the bottom runoff showed 5.3 and 5.6 then confirmed later. I expected a variance since the wood ash probably stuck to the top side of the soil - but I didnt expect that much of a difference. I will monitor but honestly dont know what I should do, if anything other than watch.
made a video of the fan movements and runoff drip
Day 51
What I am calling "stress burn" is progressing as expected. I am monitoring the ph from the top as I did before, but again, not much I can do other than over water, so I'll just watch for now and compare rate of spread until she fixes her resource pathways. It seemed to take about a week to clear up after the ash treatment last time, so I am on day 3 of 7 for now with no treatment. Looking for a spurt of new growth to show and then I'll know she's better.
Adjusted the lights to accommodate a week 6 level of 500 to 600 ppfd - that means I can raise the lights to the top of the tent and increase power. So now set at 3 tick up and 37 inches from the soil or 26" from the plant top. Now her ppfd reads about 540 on both of the center colas and 500 to 510 on the surrounding ring.
Adjusting lights meant I had to adjust the fans up to medium power and re-directed them to blow at the edges of the pot; made a video.
VPD is steady, but still warmer than typical (only by a couple degrees nothing too much) 76F/61%RH/50%ILV for 1.15 kpa on room VPD
Day 52
VPD is higher now that I have the lights to the top of my tent and the fans on the lights blowing down at the pot. I moved the IL Vent to the top sucking out with the motor and vent outside the tent now.
I also opened two lower air holes with my heater set for fan on the opposite side of the tent than the vent. Currently, I am at a max of 1.2 room VPD and ranging down to 1.0 so I'll take it until it does something else. 74F/65% RH/75%ILV - I will monitor to ensure it's stable.
ppfd is same as yesterday as there's little growth still.
Spots are still progressing on the oldest leaves at the same rate as before - however the newest leaves are not showing signs yet, so I will continue to monitor.
Day 53
ppfd was a little changed today, showing that there's growth coming back now. lowest on outer ring was 500 with most at 520 and 530 highest, center colas were tested at 540 and 560ppfd. VPD was stable as I watched it most of the day since I made changes yesterday. Temps were 74 to 76 and RH was 61% to 68%. ILV was set to 33% with the bottom heater on fan to draw in air.
lockout continues on the oldest fan leaves at the last top nodes. New growth is already marked in a couple of spots. I have about 6 gallons of tap water burning off chlorine now and will use about 2 gallons to flush at 8ph. I plan to dunk this weekend with feed so this will allow time to dry out and hopefully reset the ph and lower my ppm readings at the lower part of the pot before then.
Day 54
Took Control pics measured VPD and ppfd
Lights are at the top of the tent and second tick from highest power level. Lights to soil is 37 inches and lights to plant is 12 inches shorter so 25 inches leaves to light. currently ranging 530 to 550 around the ring and 575/580 ppfd at center (after feed and replaced).
Moving the lights (day 51) made the tent hotter so I changed my ILVent to suck out at the top and fresh air in at the bottom - I have been fighting to keep temps under 78 managed to hit 74 to 75 with the heater being set just to fan for the bottom air vents- I did also raise humidity to a setting of 65% a day before moving the lights, so Im hitting 61 to 68% between power cycles on the humidifier. Overall Tent VPD is 1.0 to 1.2 as max.
Took controls for feed. Weight 16lbs 11oz. tested and calibrated 2 meters and took 4 ph readings of 6.55, 6.77, 6.53, 6.85 to avg 6.675. from top of soil (last runoff measured 5.6 and 5.3 on two meters)
prepared 2 gallons of feed at 500 ppm over tap. (burned chlorine off overnight) starting ppm was 217 - added 75/25 veg/bloom ratio. ph balanced to 7.8 and 7.63 on separate meters (rinsed and retested to be sure got 7.79 and 7.63 again)
I used 4 knitting needles in the soil about 3 inches from the plant center. Poured feed water over the needles until it pooled slightly on top of the soil, I then pulled the needle out a little to allow the water to drain into the holes better. I did this in 8 different spots. As soon as she started dripping water from the bottom I poured a little on the leaves and then moved the plant to another drip pan to finish pouring the rest over the top of the soil without dripping any over the sides. Took videos of the drip and waited 10 min before putting her on another clean drip pan and back in the tent.
Runoff from second drip pan was measured twice at 5.8ph and 2410 ppm - and first pan 5.85 and 2670ppm (expected higher ppm since I moved perlite on the bottom with the needles)
Defoliated the oldest leaves before lights out.
Day 55
She mostly looks like she appreciated the clippings and ph balance from yesterday - slower progression of the lockout issue and largest new growth since topping day.
So speaking of new growth, I plan to use LST in the next few days to set these colas in what will hopefully be their last bind around the ring.
VPD is steady at 75F to 77F and RH is between 63 and 68%. My ILV have been set to 33% and the lower fan blowing rather than heat.
top soil ph was measured with 3 readings, on a tested and calibrated meter. 6.47, 6.7, 7.12 to avg 6.763 (kinda wild in those readings so I double checked them all twice and got the same in each hole)