Calcium Nitrate Fertilizer (5 Pounds)
Calcium Nitrate Fertilizer (5 Pounds)
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PowerGrow Systems

Calcium Nitrate Fertilizer (5 Pounds)

4.7 stars out of 83 reviews
(4.7)|
83 ratings

Key item features

  • Essential Nutrient Blend: Features an NPK ratio of 15.5-0-0, enriched with calcium, promoting robust plant development.
  • Versatile Application Methods: Suitable for hydroponic systems, soil application as a side dressing, and foliar spraying for comprehensive plant nourishment.
  • Hydroponic Use Guidance: Recommended for use with other balanced fertilizers, such as MasterBlend, with specific mixing instructions for a 5-gallon solution.
  • Soil & Foliar Directions: Provides precise application rates for both foliar sprays (2-4 tsp per gallon) and soil side dressing (1 pound per 100 feet of row).
  • Apple Tree Specifics: Offers tailored ground application instructions for apple trees, varying by tree age, with a maximum of 8 pounds per tree.
  • Enhanced Plant Vigor: High nitrogen content encourages lush vegetative growth, while soluble calcium strengthens cell walls and prevents deficiencies like blossom end rot.
  • Agricultural Grade Solubility: A 100% water-soluble fertilizer, ensuring easy uptake by plants for efficient nutrient delivery.
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Current price is $15.69
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  • Free 30-day returns

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Columbus, 43215
Arrives between Feb 27 - Mar 3
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Sold and shipped by Fisch Industries USA
4.513513513513513 stars out of 5, based on 222 seller reviews(4.5)
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4.7 out of 5 stars
stars83 ratings39 reviews
How item rating is calculated
  1. 5 stars86% (71)
  2. 4 stars11% (9)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star4% (3)

Reviews summary

Pros
  • : Offers reasonable cost compared to similar products.
  • : Dissolves easily and completely in water.
  • : Restores health and promotes growth.
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Showing 1-3 of 39 reviews

Sep 12, 2025
BON
Top Reviewer
Sold and shipped byFisch Industries USA
5 out of 5 stars review

Verified Purchase

I like it because it easy to use, help for plants which turn to be yellow come back to be green and healthy. Its price ís also reasonable.

Helpful?4AEYU11J2DN5550772190
Feb 12, 2025
VERIFIED
Top Reviewer
Sold and shipped byFisch Industries USA
5 out of 5 stars review

Verified Purchase

Calcium Nitrate

Purchased for a tomato crop that showed signs of lacking nutrients. Added a bit late in the growing season. Actually noticed results. Looking forward to a complete growing season with this its tomato specific partner nutrient.

Helpful?4AEYU11J2DN5550772190
Nov 13, 2024
Donna
Top Reviewer
Sold and shipped byFisch Industries USA
5 out of 5 stars review

Verified Purchase

Calcium Nitrate boosts the calcium in Tomatoes

Using calcium nitrate to boost the calcium in my tomato plants. This prevents blossom rot, and strengthens the roots. Need tomatoes on the plants before the first frost.

Incentivized Review
Helpful?4AEYU11J2DN5550772190