freezeland2
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Do you have equipment to control temps & rh? For example humidifier or dehumidifier as needed, heater if needed, temp and humidity controller, and an exhaust fan?
Clamup1
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I have 2 fans(plugged in), a oil filled heater(plugged in), and an exhaust fan. The exhaust fan isn't hooked up yet. I'm hoping it's quiet, I've never plugged it in.
Clamup1
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@freezeland2 I got the rh down. Tuesday will be 14 days but i wanted to make sure the temp and rh were good before hand. I dont know if i can get the low rh any higher without a humidifier. Notnsure i want to get that involved. Let me know
Tuesday will be the girls first run of nutes. I'm using the Fox farm 3 bottle nute combo. From what I've read on here I need to stay away from the tiger bloom.
The girl:
Tuesday will be the girls first run of nutes. I'm using the Fox farm 3 bottle nute combo. From what I've read on here I need to stay away from the tiger bloom.
The girl:
freezeland2
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They look good. If you can get the temp to around 78 or 79ish even better. Good job on the rh. If you do bring temps up a couple degrees the rh will respond with a corresponding decrease. Temps go up and rh comes down. Temps go down and rh goes up. Anyway these parameters are important because it effects vapor pressure deficit, commonly known as vpd. He is link to a chart for vpd. The reason vpd is so important is it directly effects the plants transpiration rate. Which in turn drives nutrient uptake. It’s like a spigot for a plant….turn it up turn it down. https://vpdchart.com/#F,77,72.5,72.5,0
Clamup1
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I saw the posts on vpd. It's very interesting. I'll see if I can get the temp up. Thanks
Clamup1
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The vpd chart is cool. How important is leaf temp? I adjusted the leaf temp to the air temp. I can't check leaf temp.
Clamup1
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Here's my vpd
Clamup1
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Good evening farmers. The girl is 14 days old and recieved her first feeding. 1/2 gal of fox farms liquid nutes and a 1/4 tsp of Epson Salt.
VPD- 1.2
DLI- 20
She's starting to smell a little. Mmmmmm good
VPD- 1.2
DLI- 20
She's starting to smell a little. Mmmmmm good
420smokefairy
- 4
- 3
are you skipping the paper towel part after scuba diving?Well, 3 days scuba diving and only got a little white bump coming out the seed case. Threw her in the dirt with a wide mouth Mason jar over her. Hopefully she comes up.
This is getting annoying
Clamup1
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I never put them in paper towels, just threw them in the dirt. I may of accidently skipped a step lol. They still pop so I guess I'm doing something right
freezeland2
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If you don’t have one invest in a IR thermometer and measure the leaf temp to plug in to that chart tool. Leaf temps under LED are usually 4 degrees lower than ambient and possibly more cooler then 4 degrees at times. Especially after watering. Your vpd is probably closer to .8 kPa if I had to guess. Which is still good for that growth phase. It would help to bump those temps up a few degrees while maintaining that 60% rh. Plant looks to be otherwise happy. Get an IR gun, cheapest tool in your toolbox and one of the most helpful.
Clamup1
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Ok thanks
Clamup1
- 138
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Ir thermometer is on the way.
Clamup1
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@freezhey hey my light is about 12" above the plant. Do i need to raise my light? Its looking squatty.
freezeland2
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Maybe. How many ppfd are hitting it now or do you know?
Clamup1
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The DLI is at 20. I don't know what the ppfd would be.
freezeland2
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How are you measuring the DLI?
Clamup1
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With the photone app
freezeland2
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You should be able to switch to ppfd reading in that app.
freezeland2
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You just swipe your finger across the screen to go from DLI to ppfd or lux or kelvin
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