Who else grows in coco coir? This autoflowering Lemon Haze plant was grown in a 2-gallon smart pot with this coco potting mix (70% coco and 30% perlite). I've been using the General Hydroponics Flora trio nutrients plus CaliMagic.
I was always taught to give nutrients every other watering in coco, but I've also heard growers say plain water feedings can mess up the cation exchange in coco, and therefore it's better to give nutrients every watering. I saw a research paper backing that up, so I knew I had to try it. This grow I gave nutrients at every watering but at even lower levels (about 1/4 strength of recommended Flora nutrients, though still full strength CaliMagic). I honestly haven't noticed much difference between giving 1/4 strength every watering vs 1/2 strength every other watering, so I'll probably go back to giving nutrients every other because it let's me mix nutrients half as often 😊
Here's my question for other coco growers: How often do you water your plants and how often do you give nutrients? Have you experimented with different methods, and what were your results?