Why is it not for sale in california ? 😭

Because California claims everything causes cancer

Do you think that they’re adding the wrong amount of nutrients that’s why it’s killing some plants?

depends on what medium you are using. Most people don't use washed coco. or use pre-amended soil and have no idea how much nutrients are already in it. or aren't watering enough or don't have ideal humidity so the plant drinks more and gets burned. if there isn't enough water it will become more concentrated. there are 100 reasons why growers make mistakes. Almost every single nutrient line could be amazing if used properly and at the right doses for what the plant genetics ask for. Most of the time it's grower's error. Better to go lighter on nutrients then too heavy. Plants will hurt less and bounce back faster with a deletion rather than abundance of nutrients.

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Humboldts Secret Starter Kit Pack | Indoor and Outdoor Plant Fertilizer and Hydroponic Nutrients | Base A & B, CalMag and Iron, Golden Tree, Flower Stacker, Plant Enzymes | Complete Garden System

Humboldts Secret Starter Kit Pack | Indoor and Outdoor Plant Fertilizer and Hydroponic Nutrients | Base A & B, CalMag and Iron, Golden Tree, Flower Stacker, Plant Enzymes | Complete Garden System

Product ID: 47409987

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Details

Brand
Humboldts
Item Weight
16 Ounces
Item Form
Liquid
Coverage
Covers a area
Liquid Volume
152 Fluid

🌱Feeds up to 150 gallons nutrient solution

💧152 fl oz liquid volume

⚖️Balanced NPK + CalMag & Iron formula

Description

🌿 Unlock your plants’ full potential with the ultimate nutrient system!

FULL CYCLE SUPPORT - Optimized for both vegetative and flowering stages to boost yield
EFFORTLESS PLANT CARE - Simplify your routine with easy mixing and reliable daily feeding
VERSATILE FOR ANY SETUP - Hydroponics, soil, or coco coir—indoor or outdoor, no limits
ALL IN ONE GROWTH POWERHOUSE - Six essential formulas for seedling to harvest mastery
MAXIMIZED NUTRIENT EFFICIENCY - Concentrated liquid feeds up to 150 gallons for bulk, consistent results

Humboldts Secret Starter Kit Pack delivers a complete, concentrated liquid nutrient system with six specialized formulas—including Base A & B, Flower Stacker, Golden Tree, Plant Enzymes, and CalMag & Iron—designed for seamless use across all grow mediums and stages. Covering up to 150 gallons of nutrient solution, it ensures balanced feeding from seedling to harvest, supporting vigorous growth, root strength, and vibrant flowering for both indoor and outdoor plants.

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TrustScore 4.5 | 7,300+ reviews

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Humboldts Secret Starter Kit Pack | Indoor and Outdoor Plant Fertilizer and Hydroponic Nutrients | Base A & B, CalMag and Iron, Golden Tree, Flower Stacker, Plant Enzymes | Complete Garden System

Details

Description

Specifications

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Common Questions

Liquid Volume	152 Fluid Ounces
Item Weight	16 Ounces
Mixing Ratio	1:1
Specific Uses For Product	Hydroponics,Potting
Target Species	Plants
Coverage	Covers a larger area or more plants with bulk purchases
Item Form	Liquid