yes...my test were the plants loved fish emulsion and or kelp, add 1/4 teaspoon to a pint water bottle fill and shake ...spray 2x times per day
best done at lights on and then 10 minutes b4 lites off, if inside?
studying up foilar puts you in good stead, great trainer to consider Neem Oil ..use in your water each watering, kills bugs and molds due after the solstice!