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10 bestFertilizer For Marijuanasof October 2025

112M consumers helped this year.

1

MARPHYL Organic Liquid Fertilizer – Indoor & Outdoor House Plant Fertilizer - All-Purpose Nutrient-Rich Plant Food - Soil Enhancer for Garden, Flowers, Vegetables, Succulents, Bamboo, Hydroponics
MARPHYL Organic Liquid Fertilizer – Indoor & Outdoor House Plant Fertilizer - All-Purpose Nutrient-Rich Plant Food - Soil Enhancer for Garden, Flowers, Vegetables, Succulents, Bamboo, Hydroponics

MARPHYL

9.7

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6% off

2

Hydroponics Nutrients (800ml in Total), Plant Food A & B Hydroponics Supplies, Indoor Plant Fertilizer for Hydroponics Growing System, Growing System Accessories for Vegetables Fruits Flowers Thrive
Hydroponics Nutrients (800ml in Total), Plant Food A & B Hydroponics Supplies, Indoor Plant Fertilizer for Hydroponics Growing System, Growing System Accessories for Vegetables Fruits Flowers Thrive

Haligo

9.4

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27% off

3

Advanced Nutrients Bloom, Micro & Grow, 1 L Each
Advanced Nutrients Bloom, Micro & Grow, 1 L Each

Advanced Nutrients

9.1

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4

General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 1 Litre 1 Quart
General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 1 Litre 1 Quart

General Hydroponics

8.8

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5

General Hydroponics FloraGro Fertilizer, 1-Quart
General Hydroponics FloraGro Fertilizer, 1-Quart

General Hydroponics

8.5

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Cronk Nutrients CalMag 2-0-0 - Calcium, Magnesium and Iron Plant Fertilizer – Compatible with Soil, Soilless and Hydroponic Garden – Correct Common Deficiencies for Indoor & Outdoor Plants - 500mL

Cronk Nutrients CalMag 2-0-0 - Calcium, Magnesium and Iron Plant Fertilizer – Compatible with Soil, Soilless and Hydroponic Garden – Correct Common Deficiencies for Indoor & Outdoor Plants - 500mL

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General Hydroponics GLCMBX0009 Calimagic & Flora GRO, Micro & Bloom Combo, 1 Quart Fertilizer

General Hydroponics GLCMBX0009 Calimagic & Flora GRO, Micro & Bloom Combo, 1 Quart Fertilizer

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Reefertilizer All-in-One Nutrient Kit - Easy to Use Dry Powder Fertilizer for Soil, Veg, and Flower - Bigger Tomatoes, Peppers, Autoflowers, Indoors or Outdoors

Reefertilizer All-in-One Nutrient Kit - Easy to Use Dry Powder Fertilizer for Soil, Veg, and Flower - Bigger Tomatoes, Peppers, Autoflowers, Indoors or Outdoors

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Cronk Nutrients 3-Part Kit: Micro, Grow & Bloom Base Fertilizers for Optimal Indoor & Outdoor Plant Growth - Hydroponics, Soil, Soilless Gardens - Supports Abundant Blooms - 3X 500ml

Cronk Nutrients 3-Part Kit: Micro, Grow & Bloom Base Fertilizers for Optimal Indoor & Outdoor Plant Growth - Hydroponics, Soil, Soilless Gardens - Supports Abundant Blooms - 3X 500ml

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6

Advanced Nutrients pH Perfect Hydroponic Nutrients: Bloom, Micro and Grow 1-Liter PACK OF 3
Advanced Nutrients pH Perfect Hydroponic Nutrients: Bloom, Micro and Grow 1-Liter PACK OF 3

UOOTPC

8.2

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5% off

7

Advanced Nutrients Bloom pH Perfect Fertilizer, 1-Liter
Advanced Nutrients Bloom pH Perfect Fertilizer, 1-Liter

Advanced Nutrients

7.9

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8

Advanced Nutrients Big Bud and Bud Candy Fertilizer for Hydroponics and Garden, 250ml Set with City Garden Conversion Chart and Pipette
Advanced Nutrients Big Bud and Bud Candy Fertilizer for Hydroponics and Garden, 250ml Set with City Garden Conversion Chart and Pipette

Advanced Nutrients

7.6

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9

Green Rush Nutrients Organic Double Pack - Leafy Green Grow & Beefy Bud Bloom Combo for Veg & Bloom (500g Each)
Green Rush Nutrients Organic Double Pack - Leafy Green Grow & Beefy Bud Bloom Combo for Veg & Bloom (500g Each)

Green Rush Nutrients

7.3

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10

General Hydroponics Flora Grow, Bloom, Micro Combo Fertilizer, 1 Gallon Each, Pack of 3
General Hydroponics Flora Grow, Bloom, Micro Combo Fertilizer, 1 Gallon Each, Pack of 3

General Hydroponics

7.0

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