I have setup the lights PPFD at 284 after noticing that was at over 400
I have also noticed that I have been having the PH 6 and maybe I will lower the PH to 5.8
Also I have been under watering, I think that before I have overwater and that has caused me loosing my first grow, on top of other issues.
runoff water 3.7 EC and PH 8.0
Burnt tips is a sign of nutrient toxicity. You probably have build up in your soil. You can either flush your soil with 6.2 pH'd tap water, or just do a watering or 2 with just 6.2 pH tap water. Flushing will be the quickest way to remedy it. I'm a big advocate of flushing your plants at least once in a grow. Especially after week 2 of flowering.
Honestly I am surprised you have not had a chemical reaction to adding different company products together. Growing in coco it is high irrigation or Hydro in a potter. If your ph is climbing then your feed is not strong enough or you are not using proper ratios for your plants needs.
They are looking prey good!
I see this is your first grow on this profile, I don't assume you have never grown before but if you have not, your going a great job.
Some of the leaves are showing a slight N tox, dark green glossy leaves and tips that point downwards aka the claw.
You might want to lessen up on the N a bit so it can recover from this.
Good Luck!
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