Few days on...
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Lookin good 👍
You might want to increase your phosphorus and potassium a little. She wants a lot of it right now. Her stems are turned red, and the older, lower leaves are getting a bluish tinge of color.There are 3 things you must check everyday when growing in hydro:
1) Water level (How much h2o is she drinking in 24hrs)
2) pH level (change over 24hrs)
3) ppm/EC level (How much food is she eating in 24hrs)Comment
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Did another round of thinning of the larger fan leaves.
Overview
Day: 80
PPM: 1121
EC: 2.24
PH: 6.0
Couple of pics attached...Comment
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A few more pics...Comment
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I upgraded to a bigger filter. Overkill much? 🤣Comment
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Remember that the air needs longer contact time with the filter to be effective. If your fan has a speed controller, you can try reducing speed to make the filter more effective. 👍
(And keep an eye on the humidity in the room) -
Cheers man 👍 yeah, most of the setup is automated on the temperature and relative humidity front. There are servos connected to a D1 mini and a sensor. Either the whole system goes on or off or it will regulate outflow from each tent through 2 separate 8 inch flaps actuated by the servos.
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Planning to add more automation to the mix.
Full suite of sensors (PH, EC/TDS, Temp, Humidity and water level - but too many analogue pins needed for the D1 Mini alone to handle, so an SPI 4 channel ADC to the rescue.
Waiting on some peristaltic pumps and will get PH control fully automated, and if that works will connect up the nutrients and a larger pump to top up from an RO water reservoir tank.
Will post some more details and pictures when I finish putting it all together.Comment
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For those interested here’s the nutrients I’m using:- TA Tri-Part FloraMicro
- TA Tri-Part FloraGro
- TA Tri-Part FloraBloom
- TA Pro Bloom (Activator used during transition week and first week of bloom)
- TA Bloom Booster (As Directed on bottle)
- Plant Magic (Changing to Ionic when restocking) CalMag (Using this sites PDF guide directions)
- Ionic PK Boost (As directed on bottle minimum spec - Thanks YYCannabis for the tip!)
- PH Up and Down (Used very rarely after initial stabilising each water change)
- Flairform Pythoff (As directed, minimum dosing spec for run to waste setups)
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Some pics a few days on.
I diluted the nutrient water mix to bring it <1500ppm, at 1750ppm I was seeing signs of stress, nutrient burn on leaf tips, less water uptake etc.
Still seeing some red on stems so will keep dosing with PK boost when adding the daily 5L of water.
Going to late bloom nutrient schedule in 5 days.Comment
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Flushed system and changed to late bloom nutrient mix. Also reduced light to 11 hours on time based on some advice I was shared on another thread.
A few pics of the girls. Think towards the end the evaporation caused a slight spike in ppm for the last few days. Definitely some orange spot burns on the leaves and curled tips. Hopefully not too far gone though.Comment
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A few days into Ripening. Leaves have started vamping and buds are looking healthy.Comment
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If I were to stick to my original timeline for these then as I noted in my reply above there’d be 10 days to go. But after some reading and some consideration, I think these girls are pretty much ready. I’ll start topping off with distilled water over the next 2 days to dilute down to below 200ppm (Only TA Final Part Ripen in with distilled water at the moment) @ currently 630ppm.
When it’s under 200ppm for 24 hours I’ll then flush both the DWC tank and Reservoir tank and go to distilled water only @ PH6.2 for 36-48 hours.
For those interested, here’s the PH, TDS and EC log along with nutrient levels per gallon.
/gal Distilled Water Day Week Stage PH TDS EC Micro Gro Bloom CalMag PK Boost Cycle 1 1 Seedling 6.5 852 1.83 1/4 1/4 1/4 1 22HRS 2 1 Seedling 6.4 814 1.78 22HRS 3 1 Seedling 6.4 803 1.72 22HRS 4 1 Seedling 6.3 787 1.57 22HRS 5 1 Seedling 6.4 733 1.46 22HRS 6 1 Seedling 6.5 709 1.41 22HRS 7 1 Seedling 6.5 680 1.39 22HRS 8 2 Vegetation 5.9 820 1.64 1/2 1/2 1/2 1 20HRS 9 2 Vegetation 6.1 882 1.71 20HRS 10 2 Vegetation 6.3 883 1.76 20HRS 11 2 Vegetation 6.2 822 1.61 20HRS 12 2 Vegetation 5.9 904 1.81 20HRS 13 2 Vegetation 6 841 1.68 20HRS 14 2 Vegetation 6.1 617 1.21 1/2 1/2 1/2 1 20HRS 15 3 Vegetation 6 658 1.32 20HRS 16 3 Vegetation 6.1 776 1.55 20HRS 17 3 Vegetation 6.2 798 1.59 20HRS 18 3 Vegetation 6.1 862 1.72 20HRS 19 3 Vegetation 6.2 798 1.59 1/2 1/2 1/2 1 20HRS 20 3 Vegetation 6.1 820 1.61 20HRS 21 3 Vegetation 5.8 904 1.81 20HRS 22 4 Veg+ 6 883 1.76 18HRS 23 4 Veg+ 6.5 1042 2.08 18HRS 24 4 Veg+ 6.1 1003 2.01 18HRS 25 4 Veg+ 6.2 1085 2.17 18HRS 26 4 Veg+ 6.2 836 1.61 1 1 1 1/2 18HRS 27 4 Veg+ 6.2 841 1.68 18HRS 28 4 Veg+ 6.1 904 1.81 18HRS 29 5 Top 1 6.3 1006 2.01 18HRS 30 5 Top 1 6.5 1084 2.16 18HRS 31 5 Top 1 6.2 925 1.81 18HRS 32 5 Top 1 6.2 964 1.92 18HRS 33 5 Top 1 6.3 1082 2.16 18HRS 34 5 Top 1 6.4 1082 2.16 18HRS 35 5 Top 1 6.2 925 1.85 18HRS 36 6 Top 2 6.2 1082 2.16 1 1 1 1/2 18HRS 37 6 Top 2 6.4 1278 2.55 18HRS 38 6 Top 2 6.1 1435 2.87 18HRS 39 6 Top 2 6.2 1435 2.87 18HRS 40 6 Top 2 6.3 1357 2.71 18HRS 41 6 Top 2 6.3 1082 2.16 18HRS 42 6 Top 2 6.4 1121 2.24 18HRS 43 7 Top 3 5.8 1042 2.08 18HRS 44 7 Top 3 6.4 1003 2.01 18HRS 45 7 Top 3 6.4 1160 2.32 18HRS 46 7 Top 3 6.2 1121 2.24 18HRS 47 7 Top 3 6.1 1160 2.32 18HRS 48 7 Top 3 6.1 1357 2.71 18HRS 49 7 Top 3 6.3 1750 3.5 1 1 1 1/2 18HRS 50 8 Transition 6.2 1357 2.71 18HRS 51 8 Transition 6.3 1357 2.71 17HRS 52 8 Transition 6.3 1435 2.87 16HRS 53 8 Transition 6.1 1278 2.56 15HRS 54 8 Transition 6.2 1357 2.71 14HRS 55 8 Transition 5.9 1042 2.08 13HRS 56 8 Transition 6.3 1082 2.16 12HRS 57 9 Early Bloom 6.2 1082 2.16 12HRS 58 9 Early Bloom 6.1 1357 2.71 12HRS 59 9 Early Bloom 6.1 1357 2.71 12HRS 60 9 Early Bloom 6 1121 2.24 12HRS 61 9 Early Bloom 5.9 1121 2.24 12HRS 62 9 Early Bloom 6 1121 2.24 12HRS 63 9 Early Bloom 6 925 1.85 12HRS 64 10 Early Bloom 6.2 904 1.8 1 1/2 1 1/2 12HRS 65 10 Early Bloom 6 925 1.85 12HRS 66 10 Early Bloom 5.9 820 1.64 12HRS 67 10 Early Bloom 5.9 766 1.53 12HRS 68 10 Early Bloom 5.9 733 1.46 12HRS 69 10 Early Bloom 5.7 904 1.8 12HRS 70 10 Early Bloom 5.9 862 1.72 12HRS 71 11 Mid Bloom 6 964 1.93 1 1/2 1 1/2 1/2 1 12HRS 72 11 Mid Bloom 5.8 1082 2.16 12HRS 73 11 Mid Bloom 5.5 722 1.44 12HRS 74 11 Mid Bloom 5.7 1160 2.32 12HRS 75 11 Mid Bloom 5.7 1003 2 12HRS 76 11 Mid Bloom 5.8 1357 2.71 12HRS 77 11 Mid Bloom 6 1593 3.19 12HRS 78 12 Mid Bloom 5.9 1278 2.56 12HRS 79 12 Mid Bloom 5.9 1160 2.32 12HRS 80 12 Mid Bloom 6.3 1121 2.24 12HRS 81 12 Mid Bloom 6.3 1357 2.71 1 1/2 1 1/2 1/2 1/2 12HRS 82 12 Mid Bloom 6.2 1435 2.87 12HRS 83 12 Mid Bloom 6.3 1671 3.34 12HRS 84 12 Mid Bloom 6.3 1750 3.5 12HRS 85 13 Mid Bloom 6.3 1750 3.5 12HRS 86 13 Mid Bloom 6.1 1278 2.56 12HRS 87 13 Mid Bloom 6.1 1082 2.16 12HRS 88 13 Mid Bloom 6.2 1357 2.71 12HRS 89 13 Mid Bloom 6.2 1278 2.56 12HRS 90 13 Mid Bloom 6.2 1435 2.87 12HRS 91 13 Mid Bloom 6.2 1514 3.03 12HRS 92 14 Late Bloom 6.2 904 1.81 1 - 1 1/2 1/2 1 11HRS 93 14 Late Bloom 6.2 904 1.81 11HRS 94 14 Late Bloom 6.2 1042 2.08 11HRS 95 14 Late Bloom 6.2 1200 2.4 11HRS 96 14 Late Bloom 6.2 862 1.72 11HRS 97 14 Late Bloom 6.2 1200 2.4 11HRS 98 14 Late Bloom 6.1 964 1.93 11HRS 99 15 Late Bloom 6.2 542 1.08 1/2 - 1 1/2 1/2 11HRS 100 15 Late Bloom 6.1 594 1.19 11HRS 101 15 Late Bloom 6.1 776 1.55 11HRS 102 15 Late Bloom 6.1 755 1.51 11HRS 103 15 Late Bloom 6.2 862 1.72 11HRS 104 15 Late Bloom 6.1 841 1.68 11HRS 105 15 Late Bloom 6.1 883 1.76 11HRS 106 16 Ripen 6.1 776 1.55 TA Ripen TA Ripen TA Ripen TA Ripen TA Ripen 11HRS 107 16 Ripen 6.2 883 1.76 11HRS 108 16 Ripen 6.2 658 1.32 11HRS Last edited by Kajicky; 03-28-2021, 09:56 PM.Comment
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