Access official Cronk Nutrients Safety Data Sheets (SDS) for all products. View handling, storage, and safety information for compliant plant nutrition use.

<h2 id="classic-line-sds-sheets"><strong>Classic Line SDS Sheets:</strong></h2><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-5920d262-122a-424f-b2a0-3e5c9a2f8cde-cronk%20nutrients%20grow%202-1-6%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Grow 2-1-6 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.8KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-7d7b405b-1183-4ec1-a8e8-db16a64f563c-cronk%20nutrients%20micro%205-0-1%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Micro 5-0-1 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.8KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-9e2676a7-b56b-4d75-ae69-209b4b8c95ef-cronk%20nutrients%20bloom%200-5-4%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Bloom 0-5-4 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.7KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><p><br></p><h2 id="autoflower-line-bonnie--clyde-sds-sheets"><strong>Autoflower Line (Bonnie &amp; Clyde) SDS Sheets:</strong></h2><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-4e4c566c-0199-4df6-8aa0-f073779c2348-cronk%20nutrients%20bonnie%206-5-4%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Bonnie 6-5-4 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.7KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-74e4f94c-f446-4f23-9ddc-552e76f8e4b2-cronk%20nutrients%20clyde%203-6-5%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Clyde 3-6-5 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.6KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><p><br></p><h2 id="puurorganics-sds-sheets"><strong>PuurOrganics SDS Sheets:</strong></h2><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-0cd93fe6-5f37-428e-bca5-87d867e88cc8-cronk%20nutrients%20puur%20nitro%208-0-0%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Puur Nitro 8-0-0 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">222.1KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-c94c33ef-fdb5-4302-9a5f-a9b0ee04edb6-cronk%20nutrients%20puur%20phos%200-12-0%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Puur Phos 0-12-0 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">219.8KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-2d1b05e4-a578-4f30-9163-95179467a62b-cronk%20nutrients%20puur%20k%200-0-15%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Puur K 0-0-15 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">219.9KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-84f10ed5-50ba-405c-a8c7-9ce9a7ba5a57-cronk%20nutrients%20puur%20calmag%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Puur CalMag SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.1KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-cbe6cec5-45f5-4f98-8fd8-a0faac99dca7-cronk%20nutrients%20puur%20balance%202-0-0%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Puur Balance 2-0-0 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">239.9KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><p><br></p><h2 id="additives-sds-sheets"><strong>Additives SDS Sheets:</strong></h2><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-092de991-1c2c-4087-bf08-575b69596999-cronk%20nutrients%20calmag%202-0-0%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients CalMag 2-0-0 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">219.8KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a 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gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-400aba37-60dd-46ea-91d0-d8a84ba8c6ce-cronk%20nutrients%20sticky%20bandit%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Sticky Bandit SDS.pdf</a> <span class="gorgias-file-attachment__span-size">220.5KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><div class="fr-deletable gorgias-file-attachment__wrapper" contenteditable="false"><div><i class="material-icons">attach_file</i> <a class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-57b32873-6a40-4af7-9153-d9939cb570ff-cronk%20nutrients%20monkey%20juice%20sds.pdf" target="_blank" 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Cronk Nutrients SDS Sheets

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Access Safety Data Sheets (SDS), product documentation, and handling info for Cronk Nutrients. Stay compliant, informed, and grow with confidence.

SDS & Docs: Safety Data Sheets & Product Info – Cronk Nutrients

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Choosing the Right Cronk Nutrients for Your Grow

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EC & PPM in Organic vs Salt-Based Nutrition: What Every Grower Must Know

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The Science of Flowering Nutrition: Choosing the Best Fertilizer for Bloom Growth

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Understanding EC, pH, and Nutrient Uptake

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Plant Science & Nutrition

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Cronk Nutrients – Classic Line Basic Feed Chart Guide

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Cronk Nutrients 3-Part Base Mixing Guide: Master Feeding for Maximum Growth

Cronk Classic 3-Part Kit: Complete Guide to Professional Plant Nutrition

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Product Guides

Classic Line

Cronk Nutrients – Autoflower Line Basic Feed Chart Guide

Cronk Nutrients – Autoflower Line Intermediate Feed Chart Guide

Cronk Nutrients – Autoflower Line Expert Feed Chart Guide

Bonnie & Clyde Mixing Guide: Autoflower Nutrients 101

Bonnie & Clyde: The Complete Autoflower Nutrient Guide | Cronk Nutrients

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Cronk Clyde 3-6-5: Complete Guide to Autoflower Flowering Nutrition

Cronk Bonnie & Clyde Kit: Complete Guide to Autoflower Nutrition

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Bonnie & Clyde (Autoflower Line)

Introducing PuurOrganics: A Cleaner Path to Organic Liquid Fertilizer Success

What Is PuurOrganics?

Why Use PuurOrganics?

Cronk PuurOrganics Kit: Complete Guide to OMRI Organic Nutrition

Cronk PuurNitro 8-0-0: Complete Guide to Organic Nitrogen Nutrition

Cronk PuurPhos 0-12-0: Complete Guide to Organic Phosphorus Nutrition

Cronk PuurK 0-0-15: Complete Guide to Organic Potassium Nutrition

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CalMag Mixing Guide: Strengthen Growth & Prevent Deficiencies

Cronk CalMag 2-0-0: Complete Guide to Calcium & Magnesium Supplementation

CalMag 2-0-0

How to Use a Bloom Booster to Increase Bud Size and Yield

Cronk Bud Booster 0-1-3: Complete Guide to PK Bloom Enhancement

Bud Booster 0-1-3 (Flower Enhancer)

Cronk Monkey Juice: Complete Guide to Beneficial Bacteria Inoculation

Monkey Juice (Beneficial Bacteria)

Sticky Bandit Mixing Guide: Boost Terpenes, Flavor & Potency

Cronk Sticky Bandit 0-0-1: Complete Guide to Carbohydrate Supplementation

Sticky Bandit 0-0-1 (Resin Enhancer)

Cronk Armadillo Armour: Complete Guide to Monosilicic Acid Supplementation

Armadillo Armour (Mono Silica)

Additives & Boosters

Cronk Nutrient Lines

The Best Autoflower Nutrients: Highigan’s Massive Grow with Cronk Nutrients Bonnie & Clyde

Best Organic Fertilizer for Cannabis 2025: HomeGrowTV Tests Cronk Nutrients PuurOrganics

How HomeGrowTV’s Greenhouse Thrived with Cronk Nutrients PuurOrganics

HomeGrowTV’s Late-Flower Play: Sticky Bandit for Terpenes, Resin & Aroma

Grower Community

Feeding Charts for Cronk Nutrients Lines

Feeding & Schedules

Grower Glossary – A

Grower Glossary – B

Grower Glossary – C

Grower Glossary – D

Grower Glossary – E

Grower Glossary – F

Grower Glossary – G

Grower Glossary – H

Grower Glossary – I

Grower Glossary – J

Grower Glossary – K

Grower Glossary – L

Grower Glossary – M

Grower Glossary – N

Grower Glossary – O

Grower Glossary – P

Grower Glossary – Q

Grower Glossary – R

Grower Glossary – S

Grower Glossary – T

Grower Glossary – U

Grower Glossary – V

Grower Glossary – W

Grower Glossary – X

Grower Glossary – Y

Grower Glossary – Z

Grower Terminology

What order should I mix Cronk Nutrients in?

When should I start feeding my plants Cronk Nutrients?

Can I mix all Cronk Nutrients together?

How often should I feed my plants Cronk Nutrients?

Do I need to use CalMag with Cronk Nutrients?

Which Cronk Nutrient system should I use for my grow?

Can I use Cronk Nutrients with other brands?

Can I use Cronk Nutrients in DWC or hydroponics?

Can I use Sticky Bandit and CalMag with PuurOrganics?

Is there anything else I should buy to help my plants thrive?

How can I prevent nutrient lockout when feeding my plants?

Can I use Cronk Nutrients in a drip irrigation or auto-watering system?

Can I foliar feed with Cronk Nutrients?

How do I transition from vegetative to flowering nutrients?

Should I use plain water between feedings?

Why are pH and EC important in plant growth?

Feeding & Mixing FAQ

Why are my plant leaves turning yellow?

Why are my leaves curling up or down?

My plants have brown spots on the leaves—what’s happening?

Why is my plant’s growth uneven or stunted?

Why are my buds small and airy?

My plants look pale even though I’m feeding—what’s wrong?

Why are my plants drooping after watering?

My pH keeps fluctuating — how do I fix it?

Why are my stems purple or red?

Troubleshooting & Deficiencies

How should I store Cronk Nutrients?

Can I store Cronk Nutrients in my garage or shed?

Can Cronk Nutrients go bad if not used for months?

What is the shelf life of Cronk Nutrients?

How long can I store pre-mixed Cronk Nutrient solution?

Storage & Product Safety

Is there a feed chart for Cronk Nutrients?

How do I know which Cronk Nutrients feeding chart to use?

How do I measure nutrients accurately for my grow?

What EC and PPM levels should I target with Cronk Nutrients?

How can I adjust Cronk Nutrients feed charts for smaller or larger plants?

How do I use Cronk Nutrients in coco coir vs. soil?

Do I need to flush when using Cronk Nutrients?

Can I use Cronk Nutrients with compost teas or organic boosters?

How do I convert Cronk Nutrient dosages from liters to gallons?

What do the numbers mean on the Cronk Nutrients feed charts?

Feeding Charts & Measurements

What products does Cronk Nutrients offer?

Can I use Cronk Nutrients on non-autoflowering plants?

Can I use Cronk Nutrients on any type of plant?

What do the numbers on the bottles mean?

General Product FAQ

What should I do if my package is delayed or tracking hasn’t updated?

Can I get a discount code for Cronk Nutrients?

How can I apply for a Cronk Nutrients sponsorship?

My Cronk Nutrients arrived frozen — what should I do?

How long does it take for my Cronk Nutrients order to ship?

My tracking number says “Label Created” but hasn’t updated — what does that mean?