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

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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?