What are the benefits of Cal+Mag+Iron?

Cal+Mag+Iron provides a precise balance of calcium, magnesium, and iron, specifically formulated to address potential deficiencies.

Can Cal+Mag+Iron be used with other additives?

Yes, Cal+Mag+Iron can be used in combination with other nutrient systems.

Why do I need this if I'm using coco substrate?

Coco coir naturally absorbs calcium and magnesium, making them unavailable to plants. Using Vivosun Cal+Mag+Iron prevents these deficiencies.

Should Cal+Mag+Iron be used on the soil or sprayed on the plant?

Cal+Mag+Iron can be applied both as a soil drench and as a foliar spray.

What kinds of growing mediums can Cal+Mag+Iron be used in?

Vivosun Nutrients Cal+Mag+Iron is suitable for all growing mediums, including potting soil, hydroponics, aquaponics, and coco coir cultivation.

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- VIVOSUN Cal+Mag+Iron (2-0-0), Calcium, Magnesium & Iron Supplement, Liquid Nutrient Fertilizer for All Plants, Concentrated Plant Food for Soil/Soilless Cultivation, Hydroponics, 1 Quart

- VIVOSUN Cal+Mag+Iron (2-0-0), Calcium, Magnesium & Iron Supplement, Liquid Nutrient Fertilizer for All Plants, Concentrated Plant Food for Soil/Soilless Cultivation, Hydroponics, 1 Quart

Product ID: 638674189

Details

Brand
VIVOSUN
Item Form
Cal
Item Weight
2.56 Pounds
Liquid Volume
1 Quarts
Specific Uses For Product
Plant Growth

🌱56 sq ft coverage per quart

💧100% water-soluble for all mediums

🧪2-0-0 NPK ratio for targeted nutrition

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VT13754

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Unlock your plants’ full potential with every drop!

CONCENTRATED EASY TO USE - Simple dosing for all growth stages—customize your feed for optimal results
TRIPLE POWER NUTRIENT BOOST - Calcium, Magnesium & Iron in one potent formula to prevent common plant deficiencies
MAXIMIZED NUTRIENT ABSORPTION - Enhances uptake of other nutrients for healthier, faster-growing plants
UNIVERSAL GROWING COMPATIBILITY - Perfect for soil, hydroponics, coco coir, and aeroponics—grow anywhere, anytime
PROVEN RESULTS TRUSTED QUALITY - Highly rated with 4.6 stars and praised for revitalizing tomatoes, peppers, and more

VIVOSUN Cal+Mag+Iron (2-0-0) is a concentrated liquid fertilizer delivering essential calcium, magnesium, and iron to prevent nutrient deficiencies and promote robust plant growth. Fully water-soluble and compatible with all growing mediums including hydroponics and soil, it enhances nutrient uptake and supports healthy photosynthesis and fruit development. Ideal for indoor and outdoor plants, this 1-quart formula covers up to 56 square feet and is trusted by gardeners for consistent, vibrant results.

Specifications

ASIN	B0CT8BGPYP
Best Sellers Rank	#48,846 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,335 in Garden Fertilizers
Brand Name	VIVOSUN
Coverage	56 square feet
Customer Reviews	4.6 4.6 out of 5 stars (100)
Included Components	Cal
Item Form	Cal
Item Weight	2.56 Pounds
Liquid Volume	1 Quarts
Manufacturer	VIVOSUN
Model Number	VSN-CAMGIR32
Specific Uses For Product	Plant Growth
Target Species	all plants
Unit Count	32.0 Fluid Ounces

Reviews

J**E

29.01.2026

B**T

4.03.2026

M**L

21.04.2026

N**C

4.11.2025

R**R

18.06.2025

S**E

30.08.2025

J**M

23.11.2025

T**R

24.11.2025

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