At the end of week 10, both plants look great. Hydro IZI has stopped growing vertically and is flowering. The inner shoots were turning pale, so I added another 40W of light—an identical LED fixture.
The plant in coco was moved to a 7L pot. Yesterday, I added PowderFeeding BioBloom; it needs to be reapplied during the 3rd or 5th week, depending on the strain. Today, I prepared 15L of water (pH 5) and mixed in 15g of BioEnhancer (humic acids and seaweed extract).
I’ll be using this solution for watering over the next 24 hours. I completely changed the nutrient solution in the Hydro IZI’s DWC bucket—this is only the second full change of the entire cycle. By this morning, the pH had dropped to 5.2.
After the change, I added the full Hesi lineup according to the schedule for the fifth week of flowering and adjusted the pH back to 6.3—the optimal level for the flowering stage. The DWC plant is currently twice the size of the other; it’s only limited by the grow box itself, and it has very dense branching.
The coco plant received less light and was only moved to the 7L pot with flowering nutrients yesterday, but I think it will catch up to the first one by harvest time.