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Item #:
22230269
PowerGrow Systems 15.5-0-0 Calcium Nitrate Organic Fertilizer, 1 lb
85% of respondents would recommend this to a friend
Item #:
22230269
LKR 9728
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Only 12 items left in stock.
Order now and get it around Friday, October 09
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Calcium Nitrate is a fantastic 100% water soluble fertilizer that is used by hobbyists and professional growers world wide.
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What Stands Out
Organic Composition
This fertilizer is entirely organic, ensuring safe use for plants and the environment, promoting sustainable gardening practices without harmful chemicals.
Calcium Enrichment
Rich in calcium, it effectively supports strong cell walls in plants, helping to prevent blossom end rot and improve overall plant health.
Versatile Application
Perfect for various plants, including vegetables and fruits, this fertilizer adapts to multiple gardening needs, providing essential nutrients for optimal growth.
Product Details
- Calcium Nitrate Fertilizer (1 Pound) 100% Agricultural Grade Fertilizer
- Fully water soluble - easy uptake by your plants!
- Promotes lush green vegetative growth
- Calcium increases plant resilience and prevents calcium deficiencies
- Suitable for hydroponic, soil, and foliar applications
- Careful handling is advised: may be harmful if swallowed, avoid contact with eyes
| Npk ratio | 15.5-0-0 |
| Fertilizer type | Synthetic |
| Form | Crystals |
| Rec. use | Plant |
| Brand | PowerGrow Systems |
| Rec location | Indoor, Outdoor |
| Plant category | Trees |
| Plant name | Tomato |
| Size | 1 lbs |
| Weight | 1 lb (450 grams) |
| Product net content uom | Pound |
| Manufacturer | PowerGrow Systems |
Who Should Buy?
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Home Gardeners
Ideal for home gardeners looking to enhance plant growth and yield through organic calcium nitrate supplementation.
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Hydroponic Systems
Perfect for hydroponic setups requiring a reliable source of nutrients to promote healthy plant development.
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Fruit & Vegetable Growers
Beneficial for growers of fruits and vegetables needing extra calcium and nitrogen for optimal crop health.
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Inexperienced Users
Not suitable for users unfamiliar with fertilizer application, as incorrect usage may harm plants.
Product Description
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Customer Questions & Answers
-
Question:
Is this fertilizer safe to use?
Answer: Yes, it is safe to use. However, it is important to avoid contact with eyes and avoid swallowing. -
Question:
What is the suggested application rate for hydroponic systems?
Answer: It is recommended to use a starting solution consisting of 12g MasterBlend 4-18-38 fertilizer, 6g Epsom salts, and 12g Calcium Nitrate dissolved in 5 gallons of water. -
Question:
How should I apply this fertilizer to soil or foliage?
Answer: For foliar application, mix 2-4 tsp per 1 gallon of water and spray the foliage. For soil application, apply 1 pound per 100 feet of row or 1 cup per 50 feet of row.
PowerGrow Systems Organic Fertilizer Editorial Review
PowerGrow Systems 15.5-0-0 Calcium Nitrate Organic Fertilizer is an effective synthetic fertilizer formulated specifically for promoting healthy plant growth. With an NPK ratio of 15.5-0-0, it provides essential calcium, which is highly beneficial for plants like tomatoes, particularly in preventing leaf yellowing. Many users note that the product has worked well when used as directed, although it may take time to see its full effects, especially if applied before planting or as a foliar spray. It’s important to follow application directions closely to maximize benefits for your crops, whether grown indoors or outdoors.
Customer Reviews & Ratings
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Pros
- Effective for increasing calcium in plants
- Prevents yellowing in tomato leaves
- Works well if directions are followed
- Suitable for indoor and outdoor use
- Contains crystals for easy application
Cons
- Packaging could use clearer directions
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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LKR 9728
Order now and get it around Friday, October 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 12 items left in stock.
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Features & Benefits
- 100% water soluble fertilizer
- Promotes lush vegetative growth
- Increases plant resilience and prevents calcium deficiencies
- NPK Ratio of 15.5-0-0 + Calcium
- Recommended for use with other balanced fertilizers
- Suitable for hydroponic, soil, and foliar applications
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