Top 9 Calcium Nitrate 15.5-0-0 Fertilizer – Garden Fertilizers

As an Amazon Associate I earn from qualifying purchases.

1. PowerGrow Systems


Calcium Nitrate 15.5-0-0 Fertilizer Bulk Pricing 5 POUNDS

PowerGrow Systems #ad - 100% agricultural grade fertilizer - Calcium Nitrate 15. 5-0-0 npk. Packed by powergrow systems & sold by BGS Supplies - Made in USA. Calcium nitrate is fully water soluble - easy uptake by your plants! High nitrogen level promotes lush green vegetative growth. Calcium increases plant resilience and prevents calcium deficiencies.
BrandPowerGrow Systems #ad
ManufacturerPowerGrow Systems #ad



ENVY Solution Grade Calcium Nitrate 15.5-0-0 Prevents Rot & Calcium Deficiency in Tomatoes & Peppers 3.0 lb

ENVY #ad - Pure & concentrated - with 19% calcium and 15. 5% nitrogen, envy's cano3 boasts supreme Greenhouse Grade quality and high nutrient concentrations. Keeps hydro systems clean - our calcium nitrate, when used in Hydroponic setups with ENVY Part I Hydro Special, keeps systems and pumps cleaner as no agricultural preservatives are used that leave an oily skim on water.

100% water soluble - using higher-grade ingredients than other manufacturers, we ensure complete solubility and superior solution disbursement. Resealable pouches - all of envy's water soluble line come in resealable pouches and include a measuring scoop for easy long term usage and storage. Great for soil - our greenhouse grade Calcium Nitrate provides an excellent source of Calcium to treat Calcium deficiency and prevent Blossom End Rot.
BrandENVY #ad
ManufacturerNational Liquid Fertilizer #ad
Height8 Inches
Length5 Inches
Width3 Inches

3. Jack's Calcium Nitrate


Part B 1, Jack's 15-0-0 Calcium Nitrate 25 lb. Fertilizer

Jack's Calcium Nitrate #ad - High quality and extremely soluble form of Calcium that is easy to take up by plant roots in a hydroponic environment. This product is used to supplement calcium 18% and nitrate nitrogen with no micronutrients added. Brand new design Same Great Product. Should be used in combination with the 5-12-26 Hydroponic in a two-part system. It can be used to raise media pH and to reduce ammonium, sodium and high micronutrient levels.
BrandJack's Calcium Nitrate #ad
ManufacturerJack's #ad

4. Irrigation-Mart


Calcium Nitrate 15.5-0-0-19 50lb Fertilizer

Irrigation-Mart #ad - For soilless hydroponics, foliar sprays, greenhouse, fertigation. Nitrogen n total - 15. 5% ammoniacal nitrogen n-nh4 - 1. 1% nitrate-nitrogen N-NO3 - 14. 4% cao - 26. 5 % ca - 19%. Fully water soluable Greenhouse Grade.
BrandIrrigation-Mart #ad
ManufacturerIrrigation-Mart #ad
Weight50 Pounds

5. Urban-Hydroponic


Calcium Nitrate Fertilizer 15.5-0-0 2lb

Urban-Hydroponic #ad - Hydroponic Water Soluble Fertilizer. Makes approximately 375 gallons of fertilizer. Promotes the growth of leaves and vegetation. Professional Results. Npk: 15. 5-0-0 .
BrandUrban-Hydroponic #ad
ManufacturerUrban-Hydroponic #ad
Part NumberUH-CN-2

6. Greenleaf Nutrients


Mega Crop 2 Part B 15.5-0-0 Hydroponic Soil Fertilizer Calcium Nitrate 25lbs 11.36kg

Greenleaf Nutrients #ad - Highly soluble and customizable for any crop type or growing setup, including concentrated Fertilizer Injector setups. Includes 19% water soluble Calcium Ca which is the largest available source possible for plants. Should be used in combination with the Part A 5-12-26 as a two-part system. Includes 15. 5% water soluble Nitrogen N suitable for Hydroponics and Soil crops.
BrandGreenleaf Nutrients #ad
ManufacturerGreenleaf Nutrients #ad

7. MasterBlend


MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk 12.5 Pound Kit

MasterBlend #ad - Packed by weight in a 1/1/05 ratio based off the masterblend recipe of 12g MB, 12g, CN, and 6g ES.100% water soluble for easy plant uptake. Masterblend 4-18-38 master Kit 3 Separate Components in correct amounts. Contains masterblend 4-18-38, calcium Nitrate 15. 5-0-0, and epsom Salt Magnesium Sulfate. Used by professionals worldwide for optimum plant growth.
BrandMasterBlend #ad
ManufacturerMasterBlend #ad

8. Southern Ag


5 Pound Bag, Southern Ag Calcium Nitrate

Southern Ag #ad - Prevents Calcium deficiency. Excellent source of Calcium and nitrogen. Contains: 15. 5% nitrogen, 19% Calcium - readily water soluble.
BrandSouthern Ag #ad
ManufacturerSouthern Ag #ad
Weight5 Pounds
Part NumberSAI01405

9. EZ-gro


Calcium Nitrate by EZ-gro has 18% Calcium in Our Calcium Nitrate Fertilizer | Just What You Need to Stop Blossom End Rot in Tomatoes | A Favorite in Hydroponic Nutrients as a Calcium Fertilizer

EZ-gro #ad - Pure form of calcium - is easily taken up by plant roots and is a good source of calcium for plants. Important component - of hydroponic fertilizers in hydroponics nutrients solutions. Used to - in hydroponic kits to raise the media pH and to reduce ammonium and sodium. Calcium supplement - e z-gro 15. 5-0-0 is a calcium fertilizer used to supplement calcium and nitrate nitrogen without micronutrients. Blossom end rot - calcium nitrate for tomatoes with its 18% calcium is used to prevent calcium deficiency that causes blossom end rot.
BrandEZ-gro #ad
Height8 Inches
Length5 Inches
Weight2 Pounds
Width2 Inches