picked up cal-mag and some gravity bud hardener and mixed up an ultimate reservoir for mid-flowering goodness it is 1150ppm. 600ppm floranova bloom, 300ppm cal-mag, 100ppm koolbloom, and the remainder was the gravity bud hardener.
cal-mag replaces the gh micro for a good source of calcium, magnesium and nitrogen.
$18/quart, ~30 ml added
gravity bud hardener has sea kelp (a great organic tonic) and B Vitamins which are reportedly helpful in reducing and preventing root rot, general root health, and bud density.
$38/cup, 10ml added