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Due to the large volume of recent order our turnaround times are delayed longer than usual. We are working around the clock to get your plants the nutrients they need. Your FedEx tracking # will be emailed to you once your order has shipped. Thank you for your interest in getting your plants fed with the blue juice!
Oh SNAP, our Canadian shipping option is broken. If you are looking to place an order to ship to Canada, shoot us an email at or give us a call today and we will take care of it for you!  

Jack's 321

In stock
Product Details

You be the scientist, but let Jack’s help! This kit is designed to allow you to tweak your Nutrients to achieve your balance of Part A and Part B. Some growers follow our Jack’s 321 program with this combination of formulas and achieve the elusive flexibility and stability in many different growing environments.

What’s included:

  • Jack’s 15-6-17 Clone 1 kg bag
  • Jack’s 5-12-26 Part A 1 kg bag
  • Jack’s 15-0-0 Part B 1 kg bag
  • Jack’s 10-30-20 Bloom 1 kg bag
  • Jack’s 7-15-30 Finisher 1 kg bag
  • Jack's Magnesium Sulfate-Epsom Salts 1 kg bag
  • Jack's 3.5 Gallon Mixing Bucket with Lid
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