Jack's® Nutrients 15-0-0 Calcium Nitrate Part B Fertilizer - 25lbJack's Nutrients 15 0 0 Calcium Nitrate Part B Fertilizer 25lb Promotes Calcium uptake and strong leaf growth. BOOST 15 0 0 is a pure combination of a calcium and nitrate Nitrogen allowing growers flexibility to boost their levels according to different crops or stages of growth. Used in combination with Jack's Part A FeED, these two products combined to make a totally available nutrient solution.

most "go anywhere" growler yet

Its unibody housing and aluminum board host a row of full-spectrum Samsung LM301H white LEDs while also dissipating heat to extend the diodes’ lifespan

BPA and lead-free rubber

a potassium silicate supplement from Emerald Harvest®

• Contains Custom Blend of Soil Microbes

#725677 is best used for up to 15 gallon pots and #725679 is best used for up to 20 gallon pots

Brackets included for wall or ceiling mount

sawing rope

Benefits of Cease:

Smooth Transitions from Veg to Bloom

Do not use with other pesticides

Use in small amounts to add complexity and warm color to lighter colored ales and lagers