I used this gifted Greenhouse Feeding as a buffering feed to the media. I think it worked fine for this purpose for me. Not sure how to work with the powder to be honest. If you put too much in when transplanting, you're fucked, meaning, I have found it really easy to over fertilize with powder feedings, and removing it is a bitch.
Flushing it out is risky if the plant is small in a large pot (ie, just been transplanted), and that's the exact time you'd know if you've over-fertilized and needed to flush it out or not. Maybe good with plants that you know very well and know how much they eat, but winging it on the fly with new-to-you genetics will be a finger in the air guestimate.
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6 years ago