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ulysees
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I've been growing in hydro for some time. Had some very successful grows, some not so much.
I use RO water, until recently I used the FloraGrow series, this grow I switched to Advanced Nutrients for the PH balancing feature. I'm using LED grow lights kept the proper distance from the plants, 24 light cycle. I check my PH daily and keep it close to if not in the proper range: 5.5-6.5. I consistently get older leaves that look like below. The plants grow well and produce fairly well but consistently throughout the grow cycle the oldest leaves start to turn like this and get dry and crispy. Always older leaves, whether the plant is six inches or two feet. The tops and younger leaves look green and healthy. This always starts with bottom leaves and works up so I think that hints at a mobile nutrient but I've no idea what. Seems like I've tried everything. I've looked through dozens of troubleshooting charts without seeing anything that looks like this.
Anyone have any hints?
I use RO water, until recently I used the FloraGrow series, this grow I switched to Advanced Nutrients for the PH balancing feature. I'm using LED grow lights kept the proper distance from the plants, 24 light cycle. I check my PH daily and keep it close to if not in the proper range: 5.5-6.5. I consistently get older leaves that look like below. The plants grow well and produce fairly well but consistently throughout the grow cycle the oldest leaves start to turn like this and get dry and crispy. Always older leaves, whether the plant is six inches or two feet. The tops and younger leaves look green and healthy. This always starts with bottom leaves and works up so I think that hints at a mobile nutrient but I've no idea what. Seems like I've tried everything. I've looked through dozens of troubleshooting charts without seeing anything that looks like this.
Anyone have any hints?