Need some help

What are the environmentals like for her? Temps, air movement, humidity

temps currently at 25 Celsius, have intake and exhaust fan running only when lights on with 2 oscillating fan on wall. Humidity fluctuates from 45 - 60%.

Nutrients is plant prod Mj. Only going to 400-500 ppm, ph is 6.0-6.7. I’ve been adding cal mag when I feed as well. Soil is pro mix.
 
hello

novice grower myself now im struggling to understand why so many people are using calmag with soil. i use ALL mix Biobizz soil which says the soil is loaded with nutrients, enough for the first 40 days. when i went to buy calmag at the start of my grow the shop owner told me i didnt need it. he didnt try to sell me anything else he just said it calmag is used more in hydroponic grows or crap soil. i havent had cal mag issues at all.
 
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