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Back to Grow Questions
capteurs sun-141
PapaBlob
started grow question 4y ago
I bought some sun-141 sensors. They're not bad... Despite the connection difficulties... But you can't create an unlisted plant. So... Which plant can I validate instead of an auto?
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Setup. Sensors
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PapaBlob
answered grow question 4y ago
Yes, that's it. A big database. But no cannabis.
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Similar Grow Questions
Solved
Ghosttown
Thermometer with tracking app recommendations?
Can I get some recommendations on a thermometer humidity monitor that can track both.
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6y ago
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RH% and temperature
Hi guys, got the transplant done today as suggested by Burmese. I have an issue after transplant: - My RH doesn't seem to go below 62% - Is this level bad for the plant? - What is the optimum RH and Temp for this strain? - Or average optimum temp and RH in general?
… Show more
Week 3
Other. General questions
Setup. Sensors
6y ago
1
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MTRGG
Hey growers, I'm new to the indoor world, and I'm having trouble learning about ventilation and air extraction. I have a box that's 90 x 90 x 180 with an extractor Ø 12.5CM - FLOW RATE 280 M3/H. I also have a humidifier. How should I set the timers to save energy as well? Thanks!
Setup. Sensors
5y ago
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Sang79
Ph of the soil
Ph of the soil, I checked with this 2 ph meter but I dont know the credibility, if that work.. I see that is around 8.0 but I use water at 6.0ph and soil light mix biobizz, bio grow ,calmag , bio heaven. Are biology shouldn't change the ph.. how is possible? Advise?
Week 3
Setup. Substrates
Setup. Sensors
Feeding. Deficiencies
6y ago
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Solved
nexuscrypto
VPD
Can anybody explain to me the VPD concept? my garden is very cold during night 13.5ºC as the minimum, humidity goes up to 72% During day it usually goes to 21ºC and 52% I´m watering the plants every 3-4 days (when they ask for it) with 0.75L on 6L pots Am I doing OK ?¿
Week 9
Other. General questions
Setup. Sensors
Feeding. Schedule
3y ago
6
4
Solved
Newbiegrower420
I was struggling with low humidity, now I can’t keep it below 70%.
Hi! Since upgrading my 4 girls into new 3 gallon pots & giving them a good water the humidity levels in the tent have soared to over 70% Will this reduce as they drink all the water in the pots? Shld I invest in a dehumidifier yet? Running out of space 😬
Week 3
Setup. Sensors
6y ago
3
5
Solved
NomadGrowDad
Where to measure RH in a grow tent?
When measuring RH within a grow tent where is best location hydrometer to record an accurate reading? I have 3 all calibrated together and placed at canopy, between light and canopy, and above light. There is a 20% difference between all three readings. I’m now in flower.
Setup. Sensors
6y ago
1
4
Solved
JSanchezz
serious question about VPD value in the tent
I'm not sure which values I should consider more important, or both. I have one sensor about 10cm above the Canopy and one sensor directly below it. I am trying to keep the VPD optimal in this grow, but which one is the "right" one?
Setup. Sensors
3y ago
3
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Mooncat
EC/PPM Values for Soil
I just bought some EC/PPM Meter and cant find some Chart about the right values for growing in Soil...i know how and so on but yeah.
Setup. Sensors
Feeding. Other
6y ago
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Puffdamagikchillum
Hygrometer with probe
What is everyone buying for a Hygrometer with probe?
Setup. Sensors
7y ago
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Renco42033
101 Help with build of DIY humidity controller.
High, I am building a mini grow setup in a very small area and want to make my own humidity control system., Not knowing alot about the way to approach it, thusfar I have the parts ready I think but my question is: Do I need CODE to finish the set up? Greetz, Renco.
Setup. Sensors
3y ago
2
Solved
Lala_grows
pH Pen Calibration Frequency?
How often should I re-calibrate my PH pen? I have a cheap Milwaukee pH600 and after 3 months of use it had drifted enough to cause real damage (was reading 5.8 when chemical drops read ~4.0). Alternatively, is there a reasonably priced option that would avoid this?
Week 12
Setup. Sensors
3y ago
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Poppetnewbie
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Week 2
Setup. Sensors
5y ago
1
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Solved
Dillsnills
Prob a dumb question and could prob answer it myself but if you run a warm mist humidifier that will raise the temperature where as cool mist would not as much right? Advice input opinions greatly appreciated. Day 77f 60rh. 70night 60-65rh.
Setup. Sensors
Setup. Ventilation
6y ago
1
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Solved
AliceInChainsmoke
Ph devices
What ph pens/meters/testers do you recommend? Any good digital ones on Amazon?
Setup. Sensors
6y ago
3
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Solved
Mousey
Monitoring pH?
What is your favorite tried and true way of checking/monitoring pH? I am OVER the finnicky pens and the pH kit I have on hand from another hobby doesn't give me the range I need it to.
Week 14
Setup. Sensors
7y ago
6
6
Solved
laberg
Set auto system for VPD or RH
I have AC Infinity set up. I am wondering whether I should have the humidity triggers set up for VPD or continue with RH triggers. So far I have it triggered when humidity gets a tad low. If I trigger for VPD, I think I will have to constantly check leaf temp. Thoughts?
Week 7
Setup. Sensors
Setup. Other
4y ago
1
2
Solved
SanderanderS
Time-r settings.
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Setup. Sensors
5y ago
2
1
Solved
AirDuster
Reducing PPM without changing water in hydro
Thanks all for guidance on my previous question. As a follow up, can PPM be lowered by reducing feeding until they hit the right range? Currently 1500ppm but seems this is too high. Currently following the AdvancedNutrients plan.
Other. General questions
Setup. Sensors
Feeding. Schedule
6y ago
3
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Solved
russrahl
Can I use Smart Water to mix up ph powder calibration solutions?
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Week 7
Setup. Sensors
6y ago
2
2