Hi there! I'm a newb to the forum and to growing, so I've got a lot to learn. Hoping your fine folks could give me a hand. I've got two 19 day old plants that I've started running into some trouble with. The lower leaves have begun to turn yellow and I'm seeing some yellow streaking throughout the leaves. The upper leaves look beautiful and I'm seeing some real growth (on the larger plant) despite the yellowing.
I'm growing in hydro with General Hydroponics trio as my notes. They are under a 300w LED about 18-20 inches away 24 hours a day. I'm using the nutrient schedule provided by Nebula and pretty much designed my entire set-up based on her suggestions in the bubbleponics guide. I've been keeping the temperature about 78 degrees and the humidity around 50-60% but I've found it hard to keep it really stable. I've been using PH test strips to check my PH but since I started seeing the yellowing, I worried that perhaps the strips aren't accurate enough and went ahead and purchased the General Hydroponics PH test kit and am just waiting on it to arrive. So, I'm not 100% sure on my PH but I was thinking it was around 6 based on the strips.. but that could be wrong. I'm using hard water from our well. When I had it tested it had a ph of 7, TDS 250, calcium 84, magnesium 30, potassium 5. The test was taken in 2016 so I'm not sure if those numbers should remain pretty stable?
The larger plant is called 2 Vast 2 Fast Auto from Heavyweight Seeds and the small one is OG Kush Auto from Seedsman. They were staying neck in neck until about day 10 when the 2 Fast 2 Vast took off and the OG Kush really just stopped growing and looked witty. I backed off on the water schedule for the small guy and he seemed to improve but really hasn't grown height-wise much at all.
I hope that's all the info you're looking for. Thanks for the help with my girls in advance!
I'm growing in hydro with General Hydroponics trio as my notes. They are under a 300w LED about 18-20 inches away 24 hours a day. I'm using the nutrient schedule provided by Nebula and pretty much designed my entire set-up based on her suggestions in the bubbleponics guide. I've been keeping the temperature about 78 degrees and the humidity around 50-60% but I've found it hard to keep it really stable. I've been using PH test strips to check my PH but since I started seeing the yellowing, I worried that perhaps the strips aren't accurate enough and went ahead and purchased the General Hydroponics PH test kit and am just waiting on it to arrive. So, I'm not 100% sure on my PH but I was thinking it was around 6 based on the strips.. but that could be wrong. I'm using hard water from our well. When I had it tested it had a ph of 7, TDS 250, calcium 84, magnesium 30, potassium 5. The test was taken in 2016 so I'm not sure if those numbers should remain pretty stable?
The larger plant is called 2 Vast 2 Fast Auto from Heavyweight Seeds and the small one is OG Kush Auto from Seedsman. They were staying neck in neck until about day 10 when the 2 Fast 2 Vast took off and the OG Kush really just stopped growing and looked witty. I backed off on the water schedule for the small guy and he seemed to improve but really hasn't grown height-wise much at all.
I hope that's all the info you're looking for. Thanks for the help with my girls in advance!
