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Back to Grow Questions
CO2 and PPFD
DutchGuy01
started grow question 3y ago
Grow schedule per week: Which CO2 ppm in relation with light PPFD?
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Other. General questions
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DutchGuy01
answered grow question 3y ago
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Selected By The Grower
Ctrellis90
answered grow question 3y ago
Generally only use co2 if you're using HPS bulbs because of the amount of heat stress they put your plants under.
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Ctrellis90
answered grow question 3y ago
Co2 correlates with temperature not light conditions. 85-90 degrees F. 1200-1500 ppm co2
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Similar Grow Questions
Solved
BadGrower
Plants look good, PH runoff low??
Growing in soil, Regular Happy Frog, nothing added (other what was already in the bag) and the PH runoff is low. Does PH runoff really matter? It’s super low like 4.5! My water in is filtered and 6.5. I just adjusted it to 6.5 late last week after discovering this. Originally 6.0
Other. General questions
4y ago
1
1
Solved
HillsideManor
Harvest time??
How long till harvest? Already been 9 weeks, unsure if i should be started flushing now or now :(
Week 9
Other. General questions
4y ago
6
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Solved
buddhi_coop
Co2, temp
Are these okay levels? Been kind of hard to manage the heat in my tent. Weather here is super hot right now.
Other. Mold
Other. General questions
Setup. Ventilation
4y ago
1
Solved
Rogar13
Hello, could someone help me? I wanted to switch the plant to flowering but as you can see it has spots on the leaves, the spots are only dark and on some large leaves without chlorosis or burnt leaves. I was watering with water at 6ph, it has some guano and soil all mix
Other. General questions
7mo ago
5
Solved
Floryx
Ready to harvest?
I took these pictures of the trichomes today. I heard trichomes should be 2/3 milky and 1/3 orange. On my pictures i dont see much milky trichomes but a lot of orange ones. What does that mean? Are they ready to harvest or should i wait? Side note: I fertilized the last 2 days
Week 12
Other. General questions
1y ago
3
2
Solved
Faegrows
What would you advise I do with my harvest/dry/cure?
I got 2 weeks untill I am away for 2 weeks. Should I start flushing now and harvest it next week so she can start curing while I am away for 2 weeks I have no one to mind it or help me out so she will be unattended for 2 weeks and I don't want to fuck up my buds.
Week 19
Other. Harvest - Drying
Other. Harvest - Curing
Other. General questions
4y ago
5
4
Solved
Komar85
Preflowers ?
First signs of flowering ? Outdoor plant which been kept in greenhouse most off a day and couple hours at home under t5 50watt last two days been totally crap weather outside I was at work could do nothing and now I see this I wanna veg bit longer
Other. General questions
4y ago
4
4
Solved
DFWmd
Dehumidifier recommendations
Any recommendations about a dehumidifier for the 4x4 grow tent? I think even with vacuuming run-off more frequently, I won't be able to get humidity consistently down below 60%. Amazon has some in the 45-90 USD range...
Other. General questions
Setup. Ventilation
2y ago
2
3
Solved
GrowsephandtheTechnicoloredDreamBud
When do you know when's good to harvest? What do you look for?
This is my first grow that's reached this stage of flowering... we're only on about week 8 I think (wasn't tracking like the last 1) but what's the best way of knowing when they're ready for harvest? I don't think they are , but I want to know what to look for so I never ruin it!
Week 8
Other. General questions
5y ago
2
4
Solved
Back_woods_buds
Green light
How bad is it if I left The green light that I have in my grow room just like a light for me to see when it’s dark because they say green is the one the years I left it on during the dark 12 hour dark. Should I keep them in dark and literally just do a full 24hr darkness or what?
Other. General questions
4y ago
2
Solved
Xavierfourtwenty
When do I lollipop?
Hello everyone, just curious since I'm getting 2 different answers online. When is the correct time to lollipop you plant, some said before Flowering but most I've seen says 2-3weeks into Flowering?
Other. General questions
4y ago
2
2
Solved
Appoldro420
Daily updates Diary
How can I split up my weeks in days on this Diary? Because I take pictures every day and the pictures of 6 days ago are way different then today
Week 14
Other. General questions
5y ago
2
2
Solved
El3mental115
The main stem of one of the Gorilla's had to be bent down. I have noticed that the buds seem abit small for the age and that her main stem is really bendy. Is it abit early to tell if they will get bigger with time or is it because of the stress?
Week 1
Other. General questions
7y ago
3
3
Solved
TheNextGanjaMan
High humidity
Hello. Even with a dehumidifier and a 24-hour extractor, the humidity is still above 70% and one of the plants is almost in the flowering period. Can I add expanded clay on top of the vase to see if it lowers the humidity or putting more perlite will solve this? Thanks.
Other. General questions
Setup. Ventilation
3y ago
3
Solved
DogterB
About how long for trichome maturing?
Since I am seeing some cloudy trichomes, what kind of timeframe am I looking at moving forward? I'm thinking I want to harvest when I'm between 20-50% amber trichomes, so when I start to see some amber, about how long do I have before I need to chop? Days? Week?
Week 11
Other. General questions
5y ago
3
2
Solved
awwwwwwwwwww
Are these amber trichomes? When will she be ready?
Hey everyone. I just took this picture and I think I see amber trichomes on the lower right. Is this true? If not, how much longer do you think it will be? Please download the pic and zoom in if you don't see them at first.
Other. General questions
2y ago
2
2
Solved
Thumbnail83
Re veg, worth it?
Took three good clippings while lollipopping my Dutch 47 they had already started to develop buds but I thought wth. Now they look horrific, are they worth growing?
Other. General questions
5y ago
2
2
Solved
dillande3
Seedling looks so sad, Whats missing?
Hello, L Haze seed sprouted successfully, planted directly to grow media (compost+coir+psoil) seedling came up successfully too, i coverd it with cup dome, after just 12 hrs it just bend , didnt give any light yet. What should i do guys pls sup, shall i put some small light?
Other. General questions
Setup. Seedling
3y ago
10
6
Solved
PurpGod
Canna coco (bag)
can I use it on the first day of getting it bag to pot? Should I pre water before planting? Or do anything extra to it? First grow trying to keep things simple as possible. Ordered canna a&b also
Other. General questions
Plant. Other
Setup. Other
6y ago
5
5
Solved
Medicrexcellence
purple pheno of strawberry nuggets?
Is this the purple phenotype? the purple color is bleeding into the fan leaves on the upper/more mature buds. it's beautiful with the orange pistils. thanks for your insight!
Week 8
Other. General questions
3y ago
6
6