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Calcium Supplement For Plants

10 Best Calcium Supplement 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.

GS Plant Foods Seaweed Fertilizer - Omri Organic Liquid Kelp Fertilizer (55 Gallon) - Liquid Kelp Seaweed Concentrate for Farms, Gardens, Greenhouses, Lawns & Soil

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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

9.9

score

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GS Plant Foods Seaweed Fertilizer - Omri Organic Liquid Kelp Fertilizer (55 Gallon) - Liquid Kelp Seaweed Concentrate for Farms, Gardens, Greenhouses, Lawns & Soil

View on Amazon

New Chapter

New Chapter Calcium Supplement - Bone Strength Organic Calcium with Magnesium, Vitamin D3+K2, 70+ Trace Minerals for Bone Health, Gluten Free, Easy to Swallow - 120 Slim Tablets

9.8

score

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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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Garden of Life

Garden of Life Raw Calcium Supplement for Women and Men - Vitamin Code Made from Whole Foods with Magnesium, K2, Vitamin D3 and Vitamin C, for Bone Strength, Probiotics for Digestion, 120 Capsules

9.4

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

9.2

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

8.9

score

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New Chapter

New Chapter Calcium Supplement - Bone Strength Tiny Tabs Organic Calcium with Magnesium, Vitamin D3+K2, 70+ Trace Minerals for Bone Health, Gluten Free, Easy to Swallow - 240 ct

8.7

score

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NATURELO

NATURELO Calcium Supplement - Bone Strength with Calcium 600mg, Vitamin D3, K2, C, Magnesium Zinc - Plant-Based, 120 Vegetarian Capsules, Non-GMO, Soy & Gluten-Free

8.4

score

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Cz Garden Supply

Gypsum Granules - Made in USA - Calcium Sulfate Dihydrate - Garden Soil Amendment Fertilizer for Lawns, Plants, Calcium & Sulfur Additive. Cures Blossom End Rot in Tomatoes & Peppers. OMRI Listed

8.1

score

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#10

Cz Garden Supply

Oyster Shell Flour – Made in USA Soil Amendment Fertilizer for Indoor/Outdoor Plants & Gardens. High Calcium Supplement for Chickens, Reptiles, Worm Compost Bins, Mushroom Cultivation. OMRI Listed

7.9

score

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More products we considered

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)

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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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𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 Grade Organic Cal-Mag Plus Growing Fertilizer Concentrate: Calcium, Magnesium, Iron & Micronutrients Supplement for Plant Deficiencies (9-0-0 NPK) - 32oz Bottle (Quart)

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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 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 Supplement For Plants 2025 in the United States

GS Plant Foods Seaweed Fertilizer - Omri Organic Liquid Kelp Fertilizer (55 Gallon) - Liquid Kelp Seaweed Concentrate for Farms, Gardens, Greenhouses, Lawns & Soil

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

GS Plant Foods Seaweed Fertilizer - Omri Organic Liquid Kelp Fertilizer (55 Gallon) - Liquid Kelp Seaweed Concentrate for Farms, Gardens, Greenhouses, Lawns & Soil

New Chapter Calcium Supplement - Bone Strength Organic Calcium with Magnesium, Vitamin D3+K2, 70+ Trace Minerals for Bone Health, Gluten Free, Easy to Swallow - 120 Slim Tablets

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

Garden of Life Raw Calcium Supplement for Women and Men - Vitamin Code Made from Whole Foods with Magnesium, K2, Vitamin D3 and Vitamin C, for Bone Strength, Probiotics for Digestion, 120 Capsules

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

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

Professional Grade Organic 𝐂𝐚𝐥-𝐌𝐚𝐠 Growing Fertilizer Concentrate: Calcium, Magnesium, Iron & Micronutrients Supplement for Plant Deficiencies (9-0-0 NPK) - 32oz Bottle (Quart)

Premium Potting Mix for Olive Trees by Gardenera - Maximized Nutrient Retention and Growth Potential - 5 Quart

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

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

New Chapter Calcium Supplement - Bone Strength Tiny Tabs Organic Calcium with Magnesium, Vitamin D3+K2, 70+ Trace Minerals for Bone Health, Gluten Free, Easy to Swallow - 240 ct

NATURELO Calcium Supplement - Bone Strength with Calcium 600mg, Vitamin D3, K2, C, Magnesium Zinc - Plant-Based, 120 Vegetarian Capsules, Non-GMO, Soy & Gluten-Free

Gypsum Granules - Made in USA - Calcium Sulfate Dihydrate - Garden Soil Amendment Fertilizer for Lawns, Plants, Calcium & Sulfur Additive. Cures Blossom End Rot in Tomatoes & Peppers. OMRI Listed

Oyster Shell Flour – Made in USA Soil Amendment Fertilizer for Indoor/Outdoor Plants & Gardens. High Calcium Supplement for Chickens, Reptiles, Worm Compost Bins, Mushroom Cultivation. OMRI Listed

Calcium Supplement For Men

Plant Based Calcium Supplement

Calcium Supplements For Women

Supplement For Plants

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)

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)

𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 Grade Organic Cal-Mag Plus Growing Fertilizer Concentrate: Calcium, Magnesium, Iron & Micronutrients Supplement for Plant Deficiencies (9-0-0 NPK) - 32oz Bottle (Quart)

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