Grow More® Mendocino Producer's Choice All Purpose 20-20-20 — 25 lb

True 1:1:1 Balanced Powder Built to Simplify Nutrition Across Mixed Crop Programs

Running a different formula for every crop variety or growth stage adds complexity that mixed-variety operations often can't afford. Grow More Mendocino Producer's Choice All Purpose 20-20-20 delivers a perfectly balanced 1:1:1 macronutrient ratio in a 100% water-soluble powder, eliminating the guesswork of stage-specific nutrition while supporting healthy growth from seedling through early flowering.

As part of the advanced Producer's Choice series, the 25 lb bag dissolves completely, leaves no residue, and is compatible with virtually every growing system and irrigation method used in commercial and boutique indoor growing.

Key Features & Benefits

• Perfect 1:1:1 Macronutrient Balance: Equal 20-20-20 NPK ensures no single macronutrient is deficient or excessive across any crop type or growth stage.
• Universal Crop Compatibility: Suitable for fruits, vegetables, flowers, herbs, and specialty crops, simplifying nutrient management in mixed-variety environments.
• Full Nitrogen Spectrum: Drives vigorous shoot growth and chlorophyll production without overdriving vegetative growth at the expense of reproductive development.
• High Phosphate for Root Strength and Flowering: Supports root development, ATP energy transfer, and the onset of flowering.
• Potassium for Quality and Resilience: Regulates stomatal function, water-use efficiency, and cell wall integrity.

Who Should Use This

Commercial growers managing multiple crop varieties or mixed growing environments where a single versatile formula is more practical than stage-specific switching are the direct fit, along with propagation and early growth stages where balanced nutrition establishes uniform plants.

About Grow More Inc.

Grow More Inc., in business since 1918 as National Chemical Company in Hollywood, California and now headquartered in Gardena, California, positions All Purpose 20-20-20 as the balanced, universal option in its Mendocino Producer's Choice powdered line.

Frequently Asked Questions

When is a 20-20-20 formula most useful?

A perfectly balanced 1:1:1 formula is most useful when a single product must serve multiple crops or growth stages. It's also strong during propagation and early vegetative growth, establishing a solid root and shoot foundation before transitioning to targeted formulas.

Can I use All Purpose 20-20-20 through flowering?

Yes, though stage-specific formulas are optimized for the higher phosphate and potassium demands of flowering crops. The 20-20-20 can be used through early flower or blended with a bloom formula to shift the ratio gradually.

Is this product suitable for foliar feeding?

Yes, the 100% water-soluble formula dissolves cleanly without residue, making it suitable for foliar application. Apply in dilute solution during the lights-off period or low-light conditions to avoid leaf burn.

Can I use this alongside a liquid vegetative formula?

Yes, the concentrated dry powder with its balanced 1:1:1 ratio can be blended with or alternated against a liquid vegetative product, and both serve complementary roles within a broader nutrient program. Many growers find blending the two products lets them fine-tune both the macronutrient ratio and the delivery format to match their exact program.