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Humic acid is an additive that will break down the nutrients in your soil. Right now it's okay, but dont give it every watering. Give it every 7 to 10 days. For now i dont see any problems in the pictures, but problems come slowly also, so like i said keep and i on it and plan your schedule. Hope this helps ! 🚀
The leaves begin to turn yellow because I have watered too much nutrients, right? How to remedy this situation? I think Cal Mag will help this, that right?
Hi @huyngoquang12! Indeed, your plants have burnt because of a nutrient toxicity, so from now on you should avoid any nutrients but sugar/molasses to increase the terpene profile and maximize resin production. She should be done very soon, so any NPK nutrient you add now will probably remain into the buds, resulting in poor taste and bad smoke. At this stage, focus on the flush, give it only plain pH'd water until the harvest, make sure not to flood the medium, and you should be fine. Let me know in the comments section if you need any further information, and happy growing! 👊
No if u think you overfeed u need to flush. And start at 1/2 strength nutes of what you where using till she recovers. Week 7 or 8 yellow leaves are normal. Hope I can help
If you are worried that you have over fed your plants and are experiencing nutrient burn, you probably don’t want to just add CalMag into the mix. Most brands of CalMag that I have come across, have additional Nitrogen added into the mix and I don’t think a lack of Nitrogen is your issue. Based on your pics, there are no obvious signs of a Calcium/Magnesium deficiency so adding CalMag into your feed would most likely make your possible nutrient burn worse. I have used the Advanced Nutrient line before with many of my auto’s and very rarely fed above half strength nutes throughout the grow. I see that you are using them full strength with all the extra’s (big bud, bud candy, etc) and that’s alot of food for small/medium sized auto’s. Consider a good flush of the medium with PH’d water, cut back on the nutes a bit and relax. Your plants look pretty good overall and keep in mind that yellow tips are usually the 1st indication from your plant that you’ve reached the plant’s limit. She’s still healthy but she’s got everything she needs- she’s almost red lining so you can’t push her any further. Just my opinion, hope it helps!
@huyngoquang12, most of your white pistils have dried and turned orange. You should be checking the color of the trichomes right now. I use a 40x led lighted jewelers loupe(Amazon.con) A coin collectors shop may sell something like this also. Your looking for mostly cloudy/milky and 5% to 30% amber colored trichomes. You will a few clear trichome also as long as it most cloudy/milky with ambers you are good to harvest. At this point you should be flushing with plain water. To flush as many nutruents out of her as possible .You should be close theres no way for me to tell you to harvest without seeing the trichome color.
Hi @huyngoquang12! Indeed, your plants have burnt because of a nutrient toxicity, so from now on you should avoid any nutrients but sugar/molasses to increase the terpene profile and maximize resin production. She should be done very soon, so any NPK nutrient you add now will probably remain into the buds, resulting in poor taste and bad smoke. At this stage, focus on the flush, give it only plain pH'd water until the harvest, make sure not to flood the medium, and you should be fine. Let me know in the comments section if you need any further information, and happy growing! 👊
Hello!
It's ok, don't worry. Seaweed and humic acids promotes roots development and stimulates micriobiota (life in soil). Keep the EC on lower values to avoid burning those young plants; they don't need too much fertilizer on first three weeks.
Have a nice cultivation.
huyngoquang12
