Description
Boost Growth and Prevent Deficiencies with Calcium Nitrate 15.5-0-0
Support strong, healthy plant development with this fast-acting calcium nitrate fertilizer. Delivering 15.5% nitrogen and 19% calcium, this fully water-soluble formula provides essential nutrients that promote vigorous growth, strengthen cell walls, and help prevent common issues like blossom end rot.
Ideal for soil, hydroponic, and foliar applications, calcium nitrate is a go-to solution for growers looking for reliable performance and fast nutrient uptake.
Why Growers Choose Calcium Nitrate:
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15.5% nitrogen for rapid vegetative growth
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19% calcium to strengthen plant structure and cell walls
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Helps prevent blossom end rot in tomatoes and peppers
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100% water-soluble for easy mixing and fast absorption
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Suitable for soil, hydroponics, containers, and foliar feeding
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CDFA registered and professionally formulated
Ideal Applications:
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Tomatoes & Peppers: 3–4 lbs per 100 sq ft
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Cucurbits: 2–3 lbs per 100 sq ft
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Leafy Greens: 1.5–2 lbs per 100 sq ft
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Brassicas: 3–4 lbs per 100 sq ft
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Tree Fruits (Foliar): 2 tbsp per gallon
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Hydroponics: 1–2 tsp per gallon
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Containers: 1 tsp per gallon of water
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Foliar Spray: 1–2 tbsp per gallon
Fast, Reliable Performance:
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Quickly delivers nutrients where plants need them most
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Improves nutrient uptake and overall plant health
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Ideal for high-demand crops and intensive growing systems
Important Compatibility Notice:
Do not mix calcium nitrate directly with phosphate fertilizers (such as MAP, DAP, or MKP). In hydroponic systems, always add calcium nitrate and phosphate sources separately to prevent calcium phosphate precipitation.
Quality You Can Trust:
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CDFA registered
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Made in the USA
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Backed by a 90-day satisfaction guarantee
Built for Growers:
Whether you’re feeding heavy-producing crops or optimizing your hydro system, calcium nitrate delivers the essential nutrients needed for strong growth, higher yields, and healthier plants.
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