Jack's Nutrients PART B CAL NIT (15-0-0) Size:11.3KG (25LB) Massive Bloom is formulated with

Massive Bloom is formulated with L-form amino acids

and should be used with FloraFlex 16-17MM tubing pipe fittings

The seedling mat’s steady 80-87°F (27-31°C) temperature range heats the rooting area by up to 20°F above the ambient air temperature

according to whether or not they are thirsty and come rain or shine

75″ H (Cannot be used as trays in this size)

Jack's Nutrients PART B CAL NIT (15-0-0) Size:11.3KG (25LB) Massive Bloom is formulated withAn essential "Part B" provides a very soluble and available source of calcium in a two part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources. And don't forget Part A (5 12 26) of this two part system!