Flowers are really starting to get some size to them. The tops are about quarter sized to start week 4 of flower. Also starting to show more trichomes across all flowers. Purple starting to form on the flowers.
@Bluedreamlove, so the style of growing is called “High frequency fertigation”. My coco is very airy and my perlite makes it even more airy. So with my plants, there medium is always went with nutrient water and the medium being so airy, they don’t have to worry about over watering.