These girls are fattening up nicely!
Upgraded my reservoir this past weekend, 50L per week just wasn’t cutting it, had to mix an extra 30L towards the end of the week. 200 L should do nicely as I add more plants in future grows.
This started 2 days ago and at first it was subtle, I assumed it was light burn so I raised the light and turned it down to about 700 PAR from around 900 PAR on the center of the canopy. It has continued to spread I have again turned the light down to about 600PAR.
Could be the start of phosphorus defiency . I see you have just starting budding which is when it usually shows up . Can also be calcium and phosphorus defiency as they interact with each other .
If you feel you are feeding at the correct amounts just make sure your run off PH isn't increasing to much . Around 6.2 to 6.8 is usually optimal , phosphorus is best absorbed by the roots at ph 6.2 in Coco.
Your EC looks quite high at this stage , bring it back a bit you don't want to end up with nutrient lockout(check run off EC). Maybe add some calcium to help the uptake of phosphorus . Good luck 🌱
Techie_Grower
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