Skittles plant with brown spots

I am thinking calcium deficiency..........as well as other macro nutrients........due to not starting with nutes until week 7............the issues are not humidifier related as you stated in your diary, but your plants are basically starving.

Hey Growmie, just n my opinion it’s not Calcium or magnesium, it’s a Manganese deficiency. When a manganese deficiency occurs in plants, their leaves will start to turn yellow. The leaves will then turn spotted and brown and eventually die. If left untreated, the deficiency could destroy the entire plant. A manganese deficiency can be difficult to spot, as it looks similar to other cannabis growing deficiencies. Manganese plays an important role in photosynthesis and the uptake of Nitrogen in your plant. Despite being a micro nutrient, it’s vital. There are several ways to fix a manganese deficiency. The first step for those growing in soil is to flush the roots, if possible. This will wash away any nutrient salts and ensure there is no buildup of other minerals. After flushing the roots with ph-balanced water, they should be dried out as much as possible. But not entirely. This will bring the growing medium back to neutral, so the you can start from scratch. Then the ph level in the soil or coco coir can then be adjusted to the proper levels. Happy Gardening Growmie 🇨🇦👊❤️

Hey Growmie, These kinds of spots generally tend to be caused by a magnesium or calcium deficiency Hopefully, this was helpful, and remember ... "Happy Growing" and "Free your mind one puff at a time"