m0useanswered grow question 3 years ago It's your own personal choice.
I've never used them but will be using a product similar to it this year to see if the hype is justified.
Triggering a plant to thinking its under attack/stress to produce more defensive properties like terps and trichomes.
However Terpinator does have extra potassium in it 0-0-4, so if your nutrients are in need of a K boost it could be useful.
Cheers