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Calcium Magnesium For Plants

10 Best Calcium Magnesium For Plants 2025 in the United States

Name: General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart
Brand: General Hydroponics
Price: 16.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Omri Listed Fish & Kelp Fertilizer for Plants (55 Gallon) - Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants - Hydrolyzed Fish and Seaweed Blend

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Winner

General Hydroponics

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

9.8

score

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Omri Listed Fish & Kelp Fertilizer for Plants (55 Gallon) - Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants - Hydrolyzed Fish and Seaweed Blend

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Bloom City

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)

9.6

score

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Cz Garden Supply

Calcium Nitrate 15.5-0-0 Fertilizer - Made in USA - 5LB Greenhouse Grade Plant Food for Hydroponics, Plants & Gardens – Fruit, Vegetables. Blossom End Rot Tomatoes

9.4

score

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Cz Garden Supply

Organic Dolomite Lime - Made in USA - Garden Soil Amendment Fertilizer for Lawns, Plants & Flowers. Calcium/Magnesium Additive. Safely Stabilize pH. Cures Blossom End Rot in Tomatoes. OMRI Listed

9.2

score

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Cz Garden Supply

Organic Dolomite Lime 5LB - Made in USA - Garden Soil Amendment Fertilizer for Plants. Calcium/Magnesium Additive. Raise & Stabilize pH - Earthbox Tomatoes & Peppers Blossom End Rot. OMRI Listed

9.0

score

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Humboldts Secret

Editor’s Choice

Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 1 Quart

8.7

score

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Cz Garden Supply

Magnesium Sulfate Epsom Salt 5LB - Made in USA - Plant Food Fertilizer for Hydroponics, Plants, Flower Gardens - Fruit, Vegetables, Holistic Herbs. OMRI Listed

8.5

score

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TPS NUTRIENTS

Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients by TPS Nutrients, 1 Quart (32 oz)

8.2

score

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FoxFarm

FoxFarm BushDoctor Cal-Mag (1 Pint)

8.0

score

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#10

GS Plant Foods

GS Plant Foods Cal-Mag 420 Dry Super Concentrate, Makes 420 Gallons of Nutrient Solution, 18 Ounces, Calcium/Magnesium Fertilizer

7.7

score

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Gardenera Premium Kiryuzuna - Elevate Your Bonsai's Performance with This Ultimate Soil Enhancer - 20 Quarts

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Gardenera Premium Nutritional Plant Food Spray for Citron - Balanced Nutrition Plant Superfood | Excellent Growth Booster for Citron Trees - 8oz

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Bud Doublin Micros - All Natural Bud Fertilizer with Humic and Fulvic Acid (1 Quart) - Organic Liquid Fertilizer Suitable for All Plant Types, Bigger Flowers and Jumbo Fruits

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Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

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GARDENERA Premium 20-20-20 All Purpose Water Solubable Fertilizer for All Plant - Promotes Biomass Growth and Vibrant Leaf Color - 10 Quart

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10 Best Calcium Magnesium For Plants 2025 in the United States

Omri Listed Fish & Kelp Fertilizer for Plants (55 Gallon) - Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants - Hydrolyzed Fish and Seaweed Blend

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

Omri Listed Fish & Kelp Fertilizer for Plants (55 Gallon) - Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants - Hydrolyzed Fish and Seaweed Blend

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)

Calcium Nitrate 15.5-0-0 Fertilizer - Made in USA - 5LB Greenhouse Grade Plant Food for Hydroponics, Plants & Gardens – Fruit, Vegetables. Blossom End Rot Tomatoes

Organic Dolomite Lime - Made in USA - Garden Soil Amendment Fertilizer for Lawns, Plants & Flowers. Calcium/Magnesium Additive. Safely Stabilize pH. Cures Blossom End Rot in Tomatoes. OMRI Listed

Organic Dolomite Lime 5LB - Made in USA - Garden Soil Amendment Fertilizer for Plants. Calcium/Magnesium Additive. Raise & Stabilize pH - Earthbox Tomatoes & Peppers Blossom End Rot. OMRI Listed

Turf Perk Garden Perk Organic Plant Food | Outdoor and Indoor Plant Food, Garden Soil and Plant Nutrient | All Natural Amino Acid Liquid Plant Food Formula for Growing Big, Healthy Vegetable Plants

𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Plant Superfood for KALANCHOE Plants with B1 Vitamin, Glucose and Essential Minerals - Organic Plant Food Fertilizer for Indoor & Outdoor KALANCHOE Plant Care - 8oz

𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 All-Purpose 20-20-20 Liquid Fertilizer Spray for Lawns, Grass, Plants, Vegetables, Fruits & Flowers | 20-20-20 Liquid Fertilizer for Indoor and Outdoor Plants (32 OZ)

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 Ultra Pure Professional Grade Cal-Mag Fertilizer Spray - 8oz Bottle - High-Grade Calcium, Magnesium & Iron Plant Supplement - Corrects Common Plant Deficiencies (9-0-0 NPK)

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 All-Purpose 20-20-20 Liquid Fertlizer Spray - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers| Liquid Plant Superfood Mist (8 OZ)

Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 1 Quart

Magnesium Sulfate Epsom Salt 5LB - Made in USA - Plant Food Fertilizer for Hydroponics, Plants, Flower Gardens - Fruit, Vegetables, Holistic Herbs. OMRI Listed

Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients by TPS Nutrients, 1 Quart (32 oz)

FoxFarm BushDoctor Cal-Mag (1 Pint)

GS Plant Foods Cal-Mag 420 Dry Super Concentrate, Makes 420 Gallons of Nutrient Solution, 18 Ounces, Calcium/Magnesium Fertilizer

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Gardenera Premium Kiryuzuna - Elevate Your Bonsai's Performance with This Ultimate Soil Enhancer - 20 Quarts

Gardenera Premium Nutritional Plant Food Spray for Citron - Balanced Nutrition Plant Superfood | Excellent Growth Booster for Citron Trees - 8oz

Bud Doublin Micros - All Natural Bud Fertilizer with Humic and Fulvic Acid (1 Quart) - Organic Liquid Fertilizer Suitable for All Plant Types, Bigger Flowers and Jumbo Fruits

Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

GARDENERA Premium 20-20-20 All Purpose Water Solubable Fertilizer for All Plant - Promotes Biomass Growth and Vibrant Leaf Color - 10 Quart