We've built the Jack’s Nutrients collection of formulas to give your plants the exact nutrient balance they need according to the crops requirements from start to finish. Start here and use our How-To-Grow guides to dial in your grow, and maximize plant potential. 

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START

Like a shotgun start for your new plants.

Formula

15-6-17

CLONE

All the nutrients essential for vigorous plant growth. 

Choose a Formula Based on Water Quality

5-12-26

PART A

15-0-0

PART B

+

12-4-16

RO

or

15-5-20

TAP

or

18-8-23

OUTDOOR

Need a boost of flower power?

Choose a Formula Based on Needs

5-50-18

ULTRAVIOLET

10-30-20

BLOOM

or

Finish strong with the optimum nutrient ratios.

Formula

7-15-30

FINISH