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 class="gorgias-file-attachment__anchor-name" href="https://attachments.gorgias.help/0e8PW74oXnN2DnpG/hc/JEmYL2naJZy6oMgQ/2025100618-51e91446-a3f2-481c-8e12-0e17cd453541-cronk%20nutrients%20bud%20booster%200-1-3%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Bud Booster 0-1-3 SDS.pdf</a> <span class="gorgias-file-attachment__span-size">221.1KB</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-c8296ee5-2649-4ac0-bacf-4960b5476792-cronk%20nutrients%20armadillo%20armour%20sds.pdf" target="_blank" rel="noopener noreferrer">Cronk Nutrients Armadillo Armour SDS.pdf</a> <span class="gorgias-file-attachment__span-size">241KB</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/2025100618-400aba37-60dd-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" rel="noopener noreferrer">Cronk Nutrients Monkey Juice SDS.pdf</a> <span class="gorgias-file-attachment__span-size">225.9KB</span></div><i class="material-icons gorgias-file-attachment__close-icon">close</i></div><p><br></p><p><br></p><p><br></p><script type="application/ld+json">
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Cronk Nutrients SDS Sheets

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Bonnie & Clyde Mixing Guide: Autoflower Nutrients 101

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Introducing PuurOrganics: A Cleaner Path to Organic Liquid Fertilizer Success

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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?