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Hello. It seems more like phosporus deficiency to me. As I've read lately plants do need phosporus from begining till the end of the life cycle. Cal-Mag or epsom salts are also a must to be sure. I personally use epsom salts. But week one you should't worry, looks like it grows great! Happy grow!
I added a new photo from today - the Blue Dream only, again after one day of watering, looks like it's asking for something more - just can't tell.
I have put a lot of N, I can't believe that is what it needs.
I would worry about the plants that have dark green leaves, not the lighter ones. The front left plant looks like it has Nitrogen toxicity. You are using 3.5 gallon pots with soil, is it a complete / heavy / all mix? or a lighter kind of soil? If it's the first kind, I would stop all feeding 3 gallon of soil should last you for 6 to 8 weeks without feeding (except cal mag if you have soft water). If it is a lit soil I would start a light feeding after 3 or 4 weeks.
Also, do you see those bumpy leaves? that's a sign of overwatering, 1/4 gallon of water per day is too much at this point, maybe try that same amount but every 5 to 7 days and only if you see the soil is dry.
Nothing to report except I sprinkled CAS04 (Calcium Sulfate) around all the plants one time.
The Blackberry Fire is pale pale green, while the others are normal green.
Your plants look fine. Blue Dream is sativa dominant, and sativas (back in the day anyway) are often paler green than Indicas. At 4 weeks in soil (good soil) you shouldn’t need much in the way of supplements, and pale color indicates low nitrogen if anything.
We want just enough N to boost veg growth. Too much gives the leaves that gorgeous dark color we love, but can inhibit flower growth later. As long as she is growing well, I recommend don’t mess with it, and don’t worry, mate!
Our babies came from the same place! I was also blown away with how helpful and awesome people are on this site. It's a lot of fun being a part of it. I wish I wouldve started growing sooner! Lol
There can be many other things not nutrient related that can cause light green/ yellow leaves like, over or Underwatering, ph problems, heat stress, wind burn, low humidity, poor soil quality. If your nutrients don't fix, then perhaps another possible problem you can see that we can't?
Its harder for everyone to help without all the facts and photos, I'm sure that would help us all out. But their your babies and I'm sure you'll get to the bottom of it. :)
Cool Cool - in Redwood City here.
You can't have a consistent Humidity and Temperature unless you have a professional grow room.
Weeds grow outside all Summer and Fall long, and saying that the humidity doesn't go under 30% or over 70% for a day or some week -- I read someone saying you had to have some humidity within 5% range --- how can anyone that isn't in a controlled grow room that turn on devices based on temp and humidity. Even if you put a humidifier in the grow tent (which I did), it will then make it colder and you are fighting back and forth.
I'm just making sure it doesn't stay over x% for too long, and if it does, then air it out, not water as much, spray SM-90, whatever.
I know I'm getting 2.x times airflow turns per minute - that's good enough for me.
I'm in my THIRD week of Flower and I'm just starting to see something today (day 22, which is a lot longer than my brother) but Blue Dream is a bully - trying to push all the other 3 plants around!
I'm really looking forward to seeing if Cookies or Blue Dream win the fight.
Sour Tangie and Blackberry Fire are just little runts watching the fight.
I will say though that the two plants that I grow in Happy Frog soil are the ones competing for the "biggest:" fight.
I'm pretty sure that I'll be using Happy Frog for all my grows going forward.
The other two were different soils, Roots Organic (Sour Tangie) and Fox Farm (Blackberry Fire)
@Cherubino, I'm using root organics now and got fox farm in my garage for my next grow. I'll have to try happy frog after that. I imagine humidity is a real pain in the ass there. I'm constantly unhappy with it and I live in a normally dry climate. Until I started flower. Now Its like a water balloon fight in the Amazon lol.
Cherubino
