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No it is not.
Search "nutrients" on this site, it will tell you this.
Its' primary ingredient is potassim sulfate, which is not an organic compound, but an artificially manufactured mineral salt.
According to their FAQ on their website: "Terpinator is a proprietary blend of organic inputs and plant extracts with an NPK Ratio of 0-0-4."
https://www.terpinator.com/faq
But I've found a lot of sites that say it is NOT... unfortunately, since they say it's a "proprietary blend..." you're not going to find out exactly what is in it!