m0useanswered grow question 2h ago I don't see any calcium issues on the plant. it does looks lime green and has some pigmentation that might be from cold temps or at least its mimicking that.
https://420life.com/wp-content/uploads/2021/10/Marijuana-Leaf-Deficiency-Chart-scaled.jpg
Here's a leaf chart that can help solve some problems. You have a multiple stage issue with a few different things. I'd suggest monitoring PH to confirm its on point, and if its ok it might just need more feed as its looking hungry overall.
Good to start a diary so others can try and troubleshoot it a bit better.