Please excuse me if i have posted in the wrong place. Has anyone used miracle grow plant food for their plant? Does it cause harsh bud like the soil? My next question is about homemade carbon filters. Has anyone designed one that actually works? I've been looking around and I've almost come to the conclusion that none work for the extended periods that they need to work. If you have designed one that has worked from the time you built it till the time you harvested, i would appreciate it if you shared this information.