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Lol Dude, that's why I said - but you wouldn't understand why I would say that if you didn't slowly and clearly read and grasp this part - just remember, TIP burn, it's in the name, the damage will be on the TIPS. those leaves are very very small still yet you can clearly see the tips are fine. the colour is on the inner part of the leaf.

Woah, I'd love to see a light that makes the grow room colder. I thought generally lights give off heat? Or am I wrong? The presence of anthocyanins may be due to many many many things, but I have never heard of a plant turning purple cause of too much light. Sometimes a lack of light yeah, if it's paired with a lack of heat. If light is too intense for a seedling you'll see upward cupping also known as canoeing, forms of necrosis and/or tip burn which is basically just early necrosis. This will be, because when the plant has an excessive amount of photosynthetic active radiation (PAR) on the leaf surface, the excessive amounts will register as heat and the leaves will indicate through one of the responses mentioned earlier. Anthocyanins generally indicate a lack of something. 95% of the time it's a lack of heat. Rest of the time it could be due to either lack of nutrient, ph imbalance which also results in lack of nutrients and lack of light. Outdoor growers will have this experience where they can't move the plant and just the one side grows into the shade and gets a few hours less sun than the rest of the plant, that one branch that's in the shade will turn purple. Never the other way around.

Lol. I'm sure @TheLazyFisherman (and the rest of the peeps that read the comment) understood what I meant.

Lol Dude, I wasn't implying that's its temperature related AT ALL, 3rd Evan mentioned that... - I was implying light stress could be a reason, hence the question... "how intense/ or low are your lights or light source" "Pink or slightly brown? The image to me looks slightly brown" implying exactly that "forms of necrosis and/or tip burn" - The "slightly brown" I was referring to.

The general public rate them highly. I see them mentioned often by casuals.

Pink or slightly brown? The image to me looks slightly brown, anyhow, this might be a dumb question, but how intense/ or low are your lights or light source to the seedling? Seedlings don't like to intense light and will stress easy. If it was a medium issue, it would have shown in the cotyledon leaves, but they look healthy. So, I would look to the light source as a starting point. Good luck

Awesome stuff @AK-47 Gold Arabesque See, the journey IS the magic, the reward is personal and learning experience is quite massive. Remember plants are sentient living beings, the more you connect with each plant in your grow the better all your diagnosis on each individual will become. As you grow new strains, (how many you got going now? lol) you have a better understanding of what's the genetic need vs the plant need. (For example, in my experience Sour Diesel didn't mind lower light levels, where cookies and cream could not get enough light, but like the Psychonaut said, "a healthy plant makes the best end product" that is ultimately each grower's measurement of what you have done right, and the best way of determining how well your grow is doing. Lol I have to update my page, My Malawi Gold's are midway through flower, the Northern Lights auto is ready for harvest and has been pollinated by a Malawi Gold male, also kept the strain pure by pollinating the healthiest female and so keeping that Malawi strain pure. I also have those cookies babies from the Swazi pollen and 2 of the 3 grown are genetically dominant autos, so they are in 1st week of pre-flower and ofc I won't know how what the flower result would be like but I am quite excited, because those particular cookies, is currently my favourite smoke. So I am sure you will be growing even more fiya on your next run, if you are not already busy with one. Well done fellow mystic!

Thanks for the input guys. Looks like I'm gonna have to wait until I can try one out before buying. Either that or just try a 0.5ml disposable pen. They not too pricey and if I don't like it I haven't made much of an investment. Anybody have any experience with 420monkeys? Might give them a try.

Anyone know what this is

Cure it good!

Pink/purple colours are usually signs of cold, but shouldn't appear so early.

Final update for this diary bud shots of the Amnesia Haze My Critical's I wet trimmed, so with the Amnesia I chose dry trim to experiment. I also did the whole 2-3 days of darkness before harvest this time, just to try it. Not sure if it contributed, but these are for sure frostier than the Criticals. To be fair these did flower a lot longer, as needed with Haze strains. 15 days controlled dry in the dark tent, whole plants with leaves. Long and slow. Dry trimmed now, and time to cure. Quite "fluffy" bud, a fair amount of leaves and not very dense. But for a first attempt I'm happy.

None, checked with loupe. The pink colour of the new growth is my concern.