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Best way to use Jack’s Classic Fertilizer

Tinker Greenly
Member

I’ve heard so much about Jack’s Classic I just had to get some. It just arrived in the mail today, so now what do I do? Should I just follow the directions or are there other recommendations out there? I feel like I’ve been over fertilizing my girls (1100 ppm with each watering in a soiless mix) but I’ve also gotten pretty good results and am hesitant to use way less which is what I’d be doing if I follow the directions.

I’d love to hear any advice you old pros may have.

Tinker Greenly
Member

I found this interesting post:

These two products will enable you to get the most out of all your outdoor plants in your garden as well as indoor foliage and flowering houseplants.

Designed to give you greener healthier leaves, more flowers and brighter colors.
USE ON: All outdoor and indoor plantings — for better flowering and vegetative growth
Feed Your Plants Every 10-14 Days–Basically Every Other Week
Your plants need food just like you do! To grow vigorously, they need to be fed and watered cosistently with a high quality plant food–Jack’s Classic®.

Start with Blossom Booster 10-30-20 as you water in your plants to develop a vigorous, prolific root system.

After a week, feed your plants with All Purpose 20-20-20
to increase their size and keep the leaves green and healthy. Continue to alternate feedings every two weeks to keep your plants blooming and showing bright, beautiful colors.
Try “The Dynamic Duo” in Combination
Instead of alternating products, try All Purpose and Blossom Booster in combination! In a typical TWO-gallon watering can, add 1 TBL. of All Purpose and 1 TBL. of Blossom Booster.

IDEAL FOR CONTAINER GARDENS!
Recommended by Jack Peters himself

I've heard so much about Jack's Classic I just had to get some. It just arrived in the mail today, so now what do I do? Should I just follow the…

Thread: Jacks Professional Schedule?

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    Jacks Professional Schedule?

    Anyone else using Jacks? During bloom and transition phase do you also include the Calcium Nitrate?

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    I got an answer to this so for the sake of sharking knowledge I will answer it.

    Run both until about 10 days before harvest.Then drop the Calcium Nitrate.

    My source is a chemist and engineer. His name is Fatman.

    Last edited by Sativa; 03-05-2013 at 12:33 AM .

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    Bo’s First Growing Journal – First Grow to the Seventh!: Learning New Things!!
    Bo’s Grow 2016-2017 – Alot of New Stuff, New Home, New Op, New Equip, New Spirit!
    Bo’s Grow 2019-2020 – Clear Mind, Turning My Experiences Into Action!
    Bo’s Awesome Random Videos!! – Videos I Feel Like Sharing

    “I like that boulder. That is a nice boulder.”

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    Horticulture grade fertilizer. Its the highest standard for your plants. Bascically instead of spending $500 on “nutrients” from companies you can spend pennies and not need to buy any additives. Jacks professional 5-12-26 combined with Jacks calcium nitrate 15.5-0-0 gives you everything Cannabis needs. (give or take depending on your water source) Im talking mixing batches for pennies. Faster than pouring the liquid nutrients too. Jacks also does fertilizer testing for your nutrient solution. I think of nutrient companies as those instant rice and instant food. Its way overpriced for the quality your getting.

    You can buy 25lb bags for about $35. So an example is you use 2 tablespoons per gallon.

    I jumped off the “nutrient” bandwagon recently after reading some comments online about not using bud boosters because 95% of them are just sulfur and magnesium. After digging around and visiting a LARGE scale commercial hydroponics farm. When I asked what nutrients they used I got laughed at. Jacks professional will give you a very close ratio to what cannabis requires and has everything in really nice amounts. Pot growers get ripped off by nutrient companies.

    My Jacks arrived today. 5-12-26 15.5-0-0 Anyone else using Jacks? During bloom and transition phase do you also include the Calcium Nitrate?