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winks00
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I do believe I over watered the rockwool initially because I amI will try to be brief, but want to give information so I can get the correct help...I have 2 GG#4 plants at 22 days since the seeds popped... The seeds were germinated in paper towel and placed in rockwool once the tap root emerged... I kept them in a humidity dome in the dark until the sprouts appeared, then turned a LED light on but left in the humidity dome... Once the 3rd set of leaves appeared, I put the rockwool with seedlings into their final homes and started nurrients... They are both in 3.5 gallon DWC pots. I top watered some until the roots t u he' the water and since then have not needed to water...I am using GH Flora trio with a few drops of root boost...I started the nutrients at 100, and increased to 250 the 2nd water change ( it is creeping up to 285 so I will lower to 200 for the 3rd water change tomorrow). I added the recommed dose of Hydroguard yesterday... I have kept the ph at 5.8 to 6.0... The tent temperature has been as high as 82, but not for long.. I am trying to keep it 75, but it is a 2x4 tent and temp rises... The water temp is the same... I an trying to keep it at 75, but it has gotten up around 80 a couple of times... I am keeping the humidity up to 40 to 60% with the help of a very small humidifier. Since the roots hit the water, growth has been a.azing, but about 48 hours ago, I noticed a couple of leaves with a very slight curling on the edge... Then today it is a bit worse... I went through all the checks... water temp, humidity, air temp, ppm, and ph... Overall everything was fine besides a slightly elevated air temp (81 degrees f). Now I am hoping this is fixable and won't her progressively worse!! I have read so ma y possible issues, I don' want to pick wrong and add to the problem... Below are a few pics of the 2 plants... You can see the curling of the very edges... Please help!!!
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What led light brand are you using?
Wattage?
Distance from the plant?
Are you using a heating pad and why?I did a water change today and the PPMs ended up higher than I expected, but I did everything perfect... I am using GH Flora trio and went with the following amounts per gallon of distilled water...
Micro - 2.5ml or 5.0ml total
Grow - 2.5ml or 5.0ml total
Bloom - 0.75ml or 1.25ml total
Cal-magic - 5ml or 10ml total
Hydroguard - 1.5ml or 3.0ml total
(To achieve the correct water level, it takes 2 Gallons of water...)
The pH was good without any adjustment... The ppm was approximately 700... I have read that this is fine for week 2 or 3 of veg... But a couple people said I should be at 250 to 300???
7.5ml-grow, 3.5ml micro, 2.5ml bloom, 2.5ml of rhizotonic, 2.5ml silica- this is total for five gallons, approx 350 to 400 ppms. This is what I like to keep veg at on the GH line, this is at a 80ppm two water prior to addingI did a water change today and the PPMs ended up higher than I expected, but I did everything perfect... I am using GH Flora trio and went with the following amounts per gallon of distilled water...
Micro - 2.5ml or 5.0ml total
Grow - 2.5ml or 5.0ml total
Bloom - 0.75ml or 1.25ml total
Cal-magic - 5ml or 10ml total
Hydroguard - 1.5ml or 3.0ml total
(To achieve the correct water level, it takes 2 Gallons of water...)
The pH was good without any adjustment... The ppm was approximately 700... I have read that this is fine for week 2 or 3 of veg... But a couple people said I should be at 250 to 300???
It's really dependent on your grow environment. For me I rarely run my nutrient strength over 500 ppm (1.0 ec) in full flower, veg feeds 350-400 ppm .I did a water change today and the PPMs ended up higher than I expected, but I did everything perfect... I am using GH Flora trio and went with the following amounts per gallon of distilled water...
Micro - 2.5ml or 5.0ml total
Grow - 2.5ml or 5.0ml total
Bloom - 0.75ml or 1.25ml total
Cal-magic - 5ml or 10ml total
Hydroguard - 1.5ml or 3.0ml total
(To achieve the correct water level, it takes 2 Gallons of water...)
The pH was good without any adjustment... The ppm was approximately 700... I have read that this is fine for week 2 or 3 of veg... But a couple people said I should be at 250 to 300???
Yes... Initially, I was having issues keeping up the water temperature... I added a pad to warm the water... I attached it to a guage and probe in the water that shuts the pad off when it is the right temperature... It rarely comes on anymore... Is it an issue?? I have been trying to keep the water at about 70 degrees...Are you using a heating pad and why?
How are they so huge?? I am at about 23 days since the seed germinated and my plants are still only 4 to 6 inches tall... It looks like I would need to veg for 3 months to get that tall... Is there a trick?? I think I am maxing out my tent size...It's really dependent on your grow environment. For me I rarely run my nutrient strength over 500 ppm (1.0 ec) in full flower, veg feeds 350-400 ppm .
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Here is some Glue's at day 6 since flip.
Those are from cuttings, not seed. They will grow pretty fast once the roots get established.How are they so huge?? I am at about 23 days since the seed germinated and my plants are still only 4 to 6 inches tall... It looks like I would need to veg for 3 months to get that tall... Is there a trick?? I think I am maxing out my tent size...
Lights. Created an account to answer this question. I had the exact same issue running a single Viparspectra 900w reflector series. Growing Gorilla auto's I searched the net to find an answer with little success and found through experimenting with light height that was the issue. Plants were very healthy, no sign of overwatering, temp and humidity were well within range no other sign of distress except the slight upcurling of the edges of leaves without any discolouration exactly as shown in OP's photo's. As the situation continued I was able to keep a close eye on the situation and noticed the slightly taller of the plants had the more pronounced upcurling while the shortest one had virtually none so put two and two together, adjusted the lights upwards and hey presto. As the plants mature they are more resilient to light intensity but not so resilient in the earlier stages of growth so just back off the light a couple of inches, see how it goes, if necessary back them off another couple see how it goes, rinse and repeat. I eventually raised the light some 6 inches or so over 2-3 days and the new leaves had no upcurling at all. Especially for growers like myself more used to growing under HPS lights, the intensity of LED's take a little getting used to. Old thread but posted this up as it's an issue that has a vast range of different answers posted across the net and this hands on experience of mine may help others. Happy growing.
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