It's very hard to tell, and give advice......on lots off things, without knowing more about your situation, the soil, your watering, your light, feeding if any, etc.......it looks like your plants are in a small pots but it's hard to say.I had a similar problem with my plants, spent some time going through the plant food etc, I gave them some Epson salt, because there was a low amount of magnesium in my dry plant food.
One of my plants. View attachment 1989164
Does your leaves look like this?
Those leaves look a bit more strained than mine, mine start out a light but then turn a lush deeper green as they grow out. But the tips show a little nutrient burn like yours, but just the tipI had a similar problem with my plants, spent some time going through the plant food etc, I gave them some Epson salt, because there was a low amount of magnesium in my dry plant food.
One of my plants. View attachment 1989164
Does your leaves look like this?
I agree its hard to tell and give advice, reading the comments and looking at the plants makes me think it could be "magnesium deficiency"It's very hard to tell, and give advice......on lots off things, without knowing more about your situation, the soil, your watering, your light, feeding if any, etc.......it looks like your plants are in a small pots but it's hard to say.
Best is to start a new thread of your own, where you can add lots more info.......you'll get good answers and help.
The light was 24" at 60%, I tried more and less distance, light. Even at 40% and 30" inches they reacted the same. More water has helped.Your plants just reached their DLI for the day. If they are looking droopy for more than an hour or two before lights out, adjust your light so that they aren't receiving as high of a ppfd. If your light has dimming capacity, lower it 10-20% otherwise raise the light off the canopy 12 inches
What did you do that gave improvement?....if anything...I agree its hard to tell and give advice, reading the comments and looking at the plants makes me think it could be "magnesium deficiency"
other things could be the cause.
My plants have recovered and the new growth is looking good.
If light strength was the issue......it's not instantly fixed. If a little damage was caused it's going to take a few days, maybe more for the plants to get through the damage done, even if it was very minor......and the new growth to be happy with the reduced light.The light was 24" at 60%, I tried more and less distance, light. Even at 40% and 30" inches they reacted the same. More water has helped.
I prefer the pick up method, I also keep a hydrometer inside the canopy, started to notice when I see the hydrometer go from 50% to 48% it’s time to water, was a guess at first but seems to be right on with bucket weightThat's good. It is a source of silica. As for critters, it's usually used at the top layer of the soil. It controls insects because it scratches their bodies and legs, which releases moisture from their bodies. That loss of moisture kills them. It only controls critters that crawl, though, like ants. I learned about that when I killed an ant hill with it.
They do look healthy, except for the purple coloration on the stems. That can indicate one or more problems. I'm not sure what might be causing it. Some nutrient deficiencies can cause it (magnesium), as can temperature or pH. If they were mine, I think I'd just focus on giving them proper care and letting them grow. A tablespoon of Epsom Salts in the water, for magnesium, might be worth a try, though.
65º is a bit cold for them. I didn't see a heater in the tent. It might help to keep the temperature above 72º or so. 85º is fine. I set my controllers to increase the exhaust fan when the temperature is 82º.
I don't recommend watering based on a schedule. My preferred method is to use a soil moisture meter to check the moisture level at or near the bottom of the pot. That's where it matters most. I water when the meter reads near the bottom of the scale. I also look at the plants and compare what I see them doing with the reading on the meter.
Proper watering techniques are probably the largest amount of grow fails for new growers, knowing how to watch the leaves make a massive difference in decision, like I said above the RH is a big tell all (especially once humidifiers are removed and the plants produce their own humidity) I see that Rh drop and boom it’s a no brainer, plant isint transpiring enough, she’s thirsty, it’s also important to note, if you’re using leaf pray (I do this as well) is to make sure that it’s at the same time each time you use that indicator,I still find the right time to water difficult, after decades of growing, so I look at the humidty, to see if that's gone down, keep a diary of the last time I watered, check the top 2-3" of soil and then slide a thin stick in the soil just to make sure the soil dry.
Water, and the plants tells me.
within 5 minutes the fan leaves tips drop(claw down), the more effectived leaves the more I have overwatered, if the leaves don't do anything, good timing, best timing is when the leaves slitly lift and the plant looks happy, taking about 1/2" praying.
Imo getting this right has a massive impact on the final crop size as it directly effects the plants health and uptake of nutes/water.
I forgot to say, I kind of tip the pot in mid/ late flower instead of lifting it vertical, find it easier to tell.Proper watering techniques are probably the largest amount of grow fails for new growers, knowing how to watch the leaves make a massive difference in decision, like I said above the RH is a big tell all (especially once humidifiers are removed and the plants produce their own humidity) I see that Rh drop and boom it’s a no brainer, plant isint transpiring enough, she’s thirsty, it’s also important to note, if you’re using leaf pray (I do this as well) is to make sure that it’s at the same time each time you use that indicator,
Learn what the plant normally does at that time of the day is it praying when watered and happy? Is it normally getting ready to sleep leaves drooping down time related instead of water related. So you walk in at that time and your RH is down 2% and your leaves are drooping SLIGHTLY then you know it’s time to water
I’ve found the combo of
RH
Observations of current plant status
Leaf droop
And the ol pick up method
its never steered me wrong yet lol, problem with pick up method is, i scrog so I can pick the plants up about 1/2” but it’s enough to be able to tell if they are thirsty
Agreed, it sure if it was here or another topic I just read lol, but someone else was saying if the plants met their DLI they will start to drop back,I forgot to say, I kind of tip the pot in mid/ late flower instead of lifting it vertical, find it easier to tell.
maybe the plant can handle 38 moles and at this stage the leaves drop, guess this can also do the plant damage(if i get too much sun I can head for the shade) but that's another topic.
Your plants just reached their DLI for the day. If they are looking droopy for more than an hour or two before lights out, adjust your light so that they aren't receiving as high of a ppfd. If your light has dimming capacity, lower it 10-20% otherwise raise the light off the canopy 12 inches
Just seen this, I brought some Epson salt, added 1 tsp to warm water, mixed well, and sprayed the under side of the leaves, I could see improvements the next day, top dressed each pot with 2 tsp and watered when they need it.What did you do that gave improvement?....if anything...
I agree its hard to tell and give advice, reading the comments and looking at the plants makes me think it could be "magnesium deficiency"
other things could be the cause.
My plants have recovered and the new growth is looking good.
I meant the op, Dannyo and the drooping tops.........this thread is so confusing.....ha!!Just seen this, I brought some Epson salt, added 1 tsp to warm water, mixed well, and sprayed the under side of the leaves, I could see improvements the next day, top dressed each pot with 2 tsp and watered when they need it.
I will top dress again in 7-10 days, IMO less is more.
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