Learn how to use Cronk Nutrients’ Autoflower Line Basic Feed Chart with full mixing, pH, and week-by-week feeding guidance for autoflower plants.

<h3 data-start="702" data-end="729" style=" text-decoration: none;" id="isPasted"><strong data-start="709" data-end="729"><span style="font-size: 24px;">Program Overview</span></strong></h3><p data-start="730" data-end="1250" style=" text-decoration: none;">The <strong data-start="734" data-end="772">Autoflower Line Basic Feed Program</strong> is designed for growers cultivating autoflowering plants using Cronk Nutrients. This program provides a balanced and easy-to-follow schedule that supports your plants from seedling to harvest.<br data-start="965" data-end="968">The guide outlines how to mix nutrients, maintain pH, and follow week-by-week dosages for strong, consistent growth and high-quality flowers.<br data-start="1109" data-end="1112">This program uses <strong data-start="1130" data-end="1140">Bonnie</strong> during the vegetative phase and <strong data-start="1173" data-end="1182">Clyde</strong> during flowering, with <strong data-start="1206" data-end="1216">CalMag</strong> used throughout the grow cycle.</p><hr data-start="1549" data-end="1552" style=" text-decoration: none;"><h3 data-start="1336" data-end="1366" style=" text-decoration: none;" id="isPasted"><strong data-start="1343" data-end="1366"><span style="font-size: 24px;">Mixing Instructions</span></strong></h3><ol data-start="1367" data-end="1751" style=" text-decoration: none;"><li data-start="1367" data-end="1408"><p data-start="1370" data-end="1408">Begin with clean, pH-balanced water.</p></li><li data-start="1409" data-end="1467"><p data-start="1412" data-end="1467">During <strong data-start="1419" data-end="1426">Veg</strong>, use <strong data-start="1432" data-end="1442">Bonnie</strong> as your base nutrient.</p></li><li data-start="1468" data-end="1534"><p data-start="1471" data-end="1534">During <strong data-start="1478" data-end="1488">Flower</strong>, switch to <strong data-start="1500" data-end="1509">Clyde</strong> as your base nutrient.</p></li><li data-start="1535" data-end="1606"><p data-start="1538" data-end="1606">Add <strong data-start="1542" data-end="1552">CalMag</strong> after the base, then optional additives if desired. Beside if using Armadillo Armour, this would go in first.&#xA0;</p></li><li data-start="1607" data-end="1648"><p data-start="1610" data-end="1648">Stir thoroughly after each addition.</p></li><li data-start="1649" data-end="1692"><p data-start="1652" data-end="1692">Recheck and adjust pH before watering.</p></li><li data-start="1693" data-end="1751"><p data-start="1696" data-end="1751">Recommended water temperature: <strong data-start="1727" data-end="1748">68&#x2013;72&#xB0;F (20&#x2013;22&#xB0;C)</strong>.</p></li></ol><p data-start="1753" data-end="1867" style=" text-decoration: none;">&#x1F4A1; <strong data-start="1756" data-end="1764">Tip:</strong> Never mix Bonnie and Clyde together in the same solution. Use one base at a time based on plant stage.</p><h3 data-start="1554" data-end="1589" style=" text-decoration: none;" id><br></h3><h3 data-start="1554" data-end="1589" style=" text-decoration: none;" id="isPasted"><strong data-start="1881" data-end="1915" style=" text-decoration: none;" id="isPasted"><span style="font-size: 24px;">Autoflower Basic Feed Schedule</span></strong></h3><h4 data-start="1917" data-end="1951" style=" text-decoration: none;" id="isPasted"><strong data-start="1922" data-end="1951">Vegetative Phase (Bonnie)</strong></h4><div style=" text-decoration: none;"><div tabindex="-1"><table data-start="1952" data-end="2410"><thead data-start="1952" data-end="2047"><tr data-start="1952" data-end="2047"><th data-start="1952" data-end="1959" data-col-size="sm">Week</th><th data-start="1959" data-end="1974" data-col-size="sm">Growth Stage</th><th data-start="1974" data-end="1992" data-col-size="sm">Bonnie (ml/gal)</th><th data-start="1992" data-end="2009" data-col-size="sm">Clyde (ml/gal)</th><th data-start="2009" data-end="2027" data-col-size="sm">CalMag (ml/gal)</th><th data-start="2027" data-end="2038" data-col-size="sm">pH Range</th><th data-start="2038" data-end="2047" data-col-size="sm">Notes</th></tr></thead><tbody data-start="2145" data-end="2410"><tr data-start="2145" data-end="2207"><td data-start="2145" data-end="2149" data-col-size="sm">1</td><td data-start="2149" data-end="2160" data-col-size="sm">Seedling</td><td data-start="2160" data-end="2166" data-col-size="sm">0.5</td><td data-start="2166" data-end="2170" data-col-size="sm">0</td><td data-start="2170" data-end="2174" data-col-size="sm">2</td><td data-start="2174" data-end="2184" data-col-size="sm">5.6&#x2013;5.9</td><td data-start="2184" data-end="2207" data-col-size="sm">Start light feeding</td></tr><tr data-start="2208" data-end="2275"><td data-start="2208" data-end="2212" data-col-size="sm">2</td><td data-start="2212" data-end="2224" data-col-size="sm">Early Veg</td><td data-start="2224" data-end="2228" data-col-size="sm">2</td><td data-start="2228" data-end="2232" data-col-size="sm">0</td><td data-start="2232" data-end="2236" data-col-size="sm">2</td><td data-start="2236" data-end="2246" data-col-size="sm">5.9&#x2013;6.2</td><td data-start="2246" data-end="2275" data-col-size="sm">Strengthen roots &amp; leaves</td></tr><tr data-start="2276" data-end="2337"><td data-start="2276" data-end="2280" data-col-size="sm">3</td><td data-start="2280" data-end="2290" data-col-size="sm">Mid Veg</td><td data-start="2290" data-end="2296" data-col-size="sm">3.5</td><td data-start="2296" data-end="2300" data-col-size="sm">0</td><td data-start="2300" data-end="2304" data-col-size="sm">4</td><td data-start="2304" data-end="2314" data-col-size="sm">5.9&#x2013;6.2</td><td data-start="2314" data-end="2337" data-col-size="sm">Build strong growth</td></tr><tr data-start="2338" data-end="2410"><td data-start="2338" data-end="2342" data-col-size="sm">4</td><td data-start="2342" data-end="2353" data-col-size="sm">Late Veg</td><td data-start="2353" data-end="2359" data-col-size="sm">5.5</td><td data-start="2359" data-end="2363" data-col-size="sm">0</td><td data-start="2363" data-end="2367" data-col-size="sm">4</td><td data-start="2367" data-end="2377" data-col-size="sm">5.9&#x2013;6.2</td><td data-start="2377" data-end="2410" data-col-size="sm">Prepare for flower transition</td></tr></tbody></table></div><p><br></p><h4 data-start="2412" data-end="2444" style=" text-decoration: none;" id="isPasted"><strong data-start="2417" data-end="2444">Flowering Phase (Clyde)</strong></h4><div style=" text-decoration: none;"><div tabindex="-1"><table data-start="2445" data-end="3095"><thead data-start="2445" data-end="2540"><tr data-start="2445" data-end="2540"><th data-start="2445" data-end="2452" data-col-size="sm">Week</th><th data-start="2452" data-end="2467" data-col-size="sm">Growth Stage</th><th data-start="2467" data-end="2485" data-col-size="sm">Bonnie (ml/gal)</th><th data-start="2485" data-end="2502" data-col-size="sm">Clyde (ml/gal)</th><th data-start="2502" data-end="2520" data-col-size="sm">CalMag (ml/gal)</th><th data-start="2520" data-end="2531" data-col-size="sm">pH Range</th><th data-start="2531" data-end="2540" data-col-size="sm">Notes</th></tr></thead><tbody data-start="2638" data-end="3095"><tr data-start="2638" data-end="2701"><td data-start="2638" data-end="2642" data-col-size="sm">1</td><td data-start="2642" data-end="2655" data-col-size="sm">Pre-Flower</td><td data-start="2655" data-end="2659" data-col-size="sm">0</td><td data-start="2659" data-end="2664" data-col-size="sm">10</td><td data-start="2664" data-end="2668" data-col-size="sm">5</td><td data-start="2668" data-end="2678" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2678" data-end="2701" data-col-size="sm">Transition to bloom</td></tr><tr data-start="2702" data-end="2767"><td data-start="2702" data-end="2706" data-col-size="sm">2</td><td data-start="2706" data-end="2721" data-col-size="sm">Early Flower</td><td data-start="2721" data-end="2725" data-col-size="sm">0</td><td data-start="2725" data-end="2730" data-col-size="sm">12</td><td data-start="2730" data-end="2734" data-col-size="sm">5</td><td data-start="2734" data-end="2744" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2744" data-end="2767" data-col-size="sm">Build bud structure</td></tr><tr data-start="2768" data-end="2832"><td data-start="2768" data-end="2772" data-col-size="sm">3</td><td data-start="2772" data-end="2785" data-col-size="sm">Mid Flower</td><td data-start="2785" data-end="2789" data-col-size="sm">0</td><td data-start="2789" data-end="2794" data-col-size="sm">14</td><td data-start="2794" data-end="2798" data-col-size="sm">5</td><td data-start="2798" data-end="2808" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2808" data-end="2832" data-col-size="sm">Peak nutrient demand</td></tr><tr data-start="2833" data-end="2893"><td data-start="2833" data-end="2837" data-col-size="sm">4</td><td data-start="2837" data-end="2850" data-col-size="sm">Mid Flower</td><td data-start="2850" data-end="2854" data-col-size="sm">0</td><td data-start="2854" data-end="2859" data-col-size="sm">15</td><td data-start="2859" data-end="2863" data-col-size="sm">5</td><td data-start="2863" data-end="2873" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2873" data-end="2893" data-col-size="sm">Maintain density</td></tr><tr data-start="2894" data-end="2960"><td data-start="2894" data-end="2898" data-col-size="sm">5</td><td data-start="2898" data-end="2912" data-col-size="sm">Late Flower</td><td data-start="2912" data-end="2916" data-col-size="sm">0</td><td data-start="2916" data-end="2921" data-col-size="sm">15</td><td data-start="2921" data-end="2925" data-col-size="sm">5</td><td data-start="2925" data-end="2935" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2935" data-end="2960" data-col-size="sm">Support flower finish</td></tr><tr data-start="2961" data-end="3023"><td data-start="2961" data-end="2965" data-col-size="sm">6</td><td data-start="2965" data-end="2973" data-col-size="sm">Ripen</td><td data-start="2973" data-end="2977" data-col-size="sm">0</td><td data-start="2977" data-end="2981" data-col-size="sm">8</td><td data-start="2981" data-end="2985" data-col-size="sm">0</td><td data-start="2985" data-end="2995" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="2995" data-end="3023" data-col-size="sm">Reduce feed for ripening</td></tr><tr data-start="3024" data-end="3095"><td data-start="3024" data-end="3028" data-col-size="sm">7</td><td data-start="3028" data-end="3036" data-col-size="sm">Flush</td><td data-start="3036" data-end="3040" data-col-size="sm">0</td><td data-start="3040" data-end="3044" data-col-size="sm">0</td><td data-start="3044" data-end="3048" data-col-size="sm">0</td><td data-start="3048" data-end="3058" data-col-size="sm">6.0&#x2013;6.4</td><td data-start="3058" data-end="3095" data-col-size="sm">Use clean, pH-balanced water only</td></tr></tbody></table></div></div></div><div style=" text-decoration: none;"><div tabindex="-1"><br></div><h3 data-start="3102" data-end="3140" style=" text-decoration: none;" id="isPasted"><span style="font-size: 24px;">Mixing Example &#x2013; 10 Gallons</span></h3><p data-start="3141" data-end="3213" style=" text-decoration: none;">To scale your mix, multiply each nutrient rate by the number of gallons.</p><p data-start="3215" data-end="3242" style=" text-decoration: none;"><strong data-start="3215" data-end="3240">Example &#x2013; Veg Week 3:</strong></p><ul data-start="3243" data-end="3307" style=" text-decoration: none;"><li data-start="3243" data-end="3277"><p data-start="3245" data-end="3277">Bonnie: 3.5 &#xD7; 10 = <strong>35</strong><strong data-start="3264" data-end="3275">&#xA0;mL</strong></p></li><li data-start="3278" data-end="3307"><p data-start="3280" data-end="3307">CalMag: 4 &#xD7; 10 = <strong>40</strong><strong data-start="3297" data-end="3307">&#xA0;mL</strong></p></li></ul><p data-start="3309" data-end="3339" style=" text-decoration: none;"><strong data-start="3309" data-end="3337">Example &#x2013; Flower Week 2:</strong></p><ul data-start="3340" data-end="3401" style=" text-decoration: none;"><li data-start="3340" data-end="3371"><p data-start="3342" data-end="3371">Clyde: 12 &#xD7; 10 = <strong>120</strong><strong data-start="3359" data-end="3369">&#xA0;mL</strong></p></li><li data-start="3372" data-end="3401"><p data-start="3374" data-end="3401">CalMag: 5 &#xD7; 10 = <strong>50&#xA0;</strong><strong data-start="3391" data-end="3401">mL</strong></p></li></ul><p><br></p><h3 data-start="3408" data-end="3431" style=" text-decoration: none;" id="isPasted"><strong data-start="3415" data-end="3431"><span style="font-size: 24px;">Feeding Tips</span></strong></h3><ul data-start="3432" data-end="3777" style=" text-decoration: none;"><li data-start="3432" data-end="3501"><p data-start="3434" data-end="3501">Autoflowers prefer a&#xA0;<strong data-start="3455" data-end="3480">steady, moderate feed</strong>&#x2014;avoid overfeeding.</p></li><li data-start="3502" data-end="3555"><p data-start="3504" data-end="3555">Reduce nitrogen (Bonnie) as you move into flower.</p></li><li data-start="3556" data-end="3614"><p data-start="3558" data-end="3614">Check pH regularly; swings can affect nutrient uptake.</p></li><li data-start="3615" data-end="3715"><p data-start="3617" data-end="3715">Feed every watering in coco or soilless media; in soil, alternate feedings if runoff EC is high.</p></li><li data-start="3716" data-end="3777"><p data-start="3718" data-end="3777">Observe plant response and adjust dosage &#xB1;10&#x2013;20% as needed.</p></li></ul><h3 data-start="3225" data-end="3277" style=" text-decoration: none;" id="isPasted"><strong data-start="3232" data-end="3277"><span style="font-size: 24px;">Optional Additives (for Advanced Growers)</span></strong></h3><p data-start="3278" data-end="3340" style=" text-decoration: none;">For enhanced results, you can supplement with Cronk additives:</p><ul data-start="3341" data-end="3544" style=" text-decoration: none;"><li data-start="3341" data-end="3409"><p data-start="3343" data-end="3409"><strong data-start="3343" data-end="3361">Sticky Bandit:</strong> Boosts resin and terpene production in bloom.</p></li><li data-start="3410" data-end="3477"><p data-start="3412" data-end="3477"><strong data-start="3412" data-end="3433">Armadillo Armour:</strong> Adds silica and increases plant strength.</p></li><li data-start="3478" data-end="3544"><p data-start="3480" data-end="3544"><strong data-start="3480" data-end="3497">Monkey Juice:</strong> Improves microbial activity and root health.</p></li></ul><p data-start="3546" data-end="3611" style=" text-decoration: none;">Use additives at recommended rates alongside the base feed chart.</p><p data-start="3546" data-end="3611" style=" text-decoration: none;"><br></p><h3 data-start="3618" data-end="3645" style=" text-decoration: none;" id="isPasted"><strong data-start="3625" data-end="3645"><span style="font-size: 24px;">pH &amp; Maintenance</span></strong></h3><ul data-start="3646" data-end="3851" style=" text-decoration: none;"><li data-start="3646" data-end="3672"><p data-start="3648" data-end="3672"><strong data-start="3648" data-end="3662">Veg phase:</strong> 5.8&#x2013;6.2</p></li><li data-start="3673" data-end="3702"><p data-start="3675" data-end="3702"><strong data-start="3675" data-end="3692">Flower phase:</strong> 6.0&#x2013;6.3</p></li><li data-start="3703" data-end="3782"><p data-start="3705" data-end="3782">Check runoff weekly; target EC ranges from <strong data-start="3748" data-end="3759">1.0&#x2013;1.8</strong> depending on medium.</p></li><li data-start="3783" data-end="3851"><p data-start="3785" data-end="3851">Store nutrients sealed and away from light. Shake well before use.</p></li></ul></div>

Cronk Nutrients – Autoflower Line Basic Feed Chart Guide

Use Cronk Nutrients’ Autoflower Line Intermediate Feed Chart featuring Bonnie for Veg and Clyde for Flower. Includes Bud Booster, Monkey Juice, Sticky Bandit, and pH guidance.

Cronk Nutrients – Autoflower Line Intermediate Feed Chart Guide

Use Cronk Nutrients’ Autoflower Line Expert Feed Chart with Bonnie for Veg and Clyde for Flower. Includes Bud Booster, Sticky Bandit, Monkey Juice, and Armadillo Armour guidance.

Cronk Nutrients – Autoflower Line Expert Feed Chart Guide

Have a question about feeding schedules, product use, or an order? Our grower support team is here to help.

Home 

Shop 

Feed Charts

Grower FAQ

Cronk Nutrients Growers Knowledge Hub

Learn how to mix and feed with the Bonnie & Clyde Autoflower Nutrient System. Get ratios, schedules, and usage tips for vibrant growth and big yields.

Mixing & Usage: Feeding with Bonnie & Clyde – Cronk Nutrients

Cronk Nutrient Lines

Bonnie & Clyde (Autoflower Line)

Mixing & Usage

Choosing the Right Cronk Nutrients for Your Grow

Understanding NPK: What Those Numbers on Your Fertilizer Really Mean

Liquid Nutrients vs. Dry Nutrients: Which Is Best for Your Grow?

What Does CalMag Do for Plants?

Nutrient Basics

Choosing the Right Grow Medium: Soil, Coco, or Hydroponics?

What Size Pots Should I Use for My Plants?

Grow Setup

Top 10 Beginner Grow Mistakes (and How to Avoid Them)

First Grow Tips

Getting Started

pH & Water Quality: Why Balance Matters

pH & Water Quality

Understanding EC & Nutrient Strength: A Grower’s Guide

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

EC/PPM & Nutrient Strength

Understanding Grow Lights for Cannabis: A Beginner’s Guide

Growing Indoors vs. Outdoors: Which Is Best for Your Grow?

Light & Environment

The Science of Growing Vibrant Basil: Choosing the Right Medium, Nutrients & Microbes

The Best Pot Size and Growing Medium for Autoflowers: A Complete Grower’s Guide

Choosing the Right Grow Medium for Cannabis: Soil, Coco, or Hydro?

Grow Mediums & Systems

Photosynthesis & Carbohydrates: Powering Plant Growth and Fruit Quality

How Magnesium Powers Photosynthesis and Plant Growth

Unlock Your Plants’ Potential: Understanding Nitrogen, Phosphorus, and Potassium

The Science of Growing Beefsteak Tomatoes: From Seed to Harvest

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

Plant Science & Nutrition

Grow Science

Grow Guides

Cronk Nutrients – Classic Line Basic Feed Chart Guide

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

Product Guides

Classic Line

Bonnie & Clyde Mixing Guide: Autoflower Nutrients 101

Introducing PuurOrganics: A Cleaner Path to Organic Liquid Fertilizer Success

Cronk Nutrients – PuurOrganics Feed Chart Guidance

PuurOrganics

CalMag Mixing Guide: Strengthen Growth & Prevent Deficiencies

CalMag 2-0-0

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

Bud Booster 0-1-3 (Flower Enhancer)

Sticky Bandit Mixing Guide: Boost Terpenes, Flavor & Potency

Sticky Bandit 0-0-1 (Resin Enhancer)

Additives & Boosters

Feeding Charts for Cronk Nutrients Lines

Feeding & Schedules

Cronk Nutrients SDS Sheets

SDS & Docs

Grower Resources

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?