StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai
C
Calcium Nitrate 15.5-0-0 Fertilizer

Calcium Nitrate 15.5-0-0 Fertilizer

5(2 ratings)

Best price now

$7.77at AmazonChecked 1 h ago

Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Visit Amazon

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Lowest price today: $7.77 at Amazon (checked Nov 11, 2026).

Calcium Nitrate 15.5-0-0 Fertilizer prices at every store

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $7.77+ $5.47 shippingChecked 1 h ago
    Visit Amazon

Also available at

  • Seven Springs Farm SupplyCheck price at Seven Springs Farm Supply
  • BetterGrow HydroCheck price at BetterGrow Hydro
  • Greenhouse MegastoreCheck price at Greenhouse Megastore
  • PowerGrow Systems & Utah HydroponicsCheck price at PowerGrow Systems & Utah Hydroponics

Store links may earn us a commission.

Calcium Nitrate 15.5-0-0 Fertilizer price history

Lowest price we've seen: $7.77 on Nov 11 at Amazon. Tracked across 4 stores since Nov 11.

About the Calcium Nitrate 15.5-0-0 Fertilizer

Calcium Nitrate is a fantastic 100% water soluble fertilizer that is used by hobbyists and professional growers world wide. It's high nitrogen levels encourage lush vegetative growth, and the water soluble calcium increases cell wall strength in plants and can prevent common calcium deficiencies like blossom end rot in tomatoes.

• 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

• NPK Ratio of 15.5-0-0 + Calcium

HYDROPONIC APPLICATION RATES

It is recommended to use in conjunction with other balanced fertilizers (We recommend MasterBlend). A suggested starting solution consists of 12g MasterBlend 4-18-38 fertilizer and 6g Epsom Salts (Completely dissolve in 5 gallons of water), and finally 12g Calcium Nitrate dissolved in water as the last step.

SOIL & FOLIAR APPLICATION INSTRUCTIONS:

Foliar Application: Mix 2-4 tsp per 1 gallon of water and spray the foliage.

As a Supplemental (Side Dressing) Fertilizer Application: Apply 1 pound per 100 feet of row (1 cup per 50 feet of row or 1 level tablespoonful per plant). Apply to root growing area. Do not place within 2 inches of stalk or crown of plants. Do not allow contact with wet foliage.

On Apples: Ground application broadcast under the tree. Use at a rate of 1/2 pound for each year of tree growth to a maximum of 8 pounds per tree. Apply in February or apply in split applications in February and October.

Questions and answers

Where is the Calcium Nitrate 15.5-0-0 Fertilizer cheapest?
At Amazon, for $7.77, as of our latest check.
What do buyers say about the Calcium Nitrate 15.5-0-0 Fertilizer?
Rated 5 out of 5 from 2 ratings.
Where can I buy the Calcium Nitrate 15.5-0-0 Fertilizer?
5 stores we checked sell it, including Amazon, Seven Springs Farm Supply, BetterGrow Hydro, Greenhouse Megastore, PowerGrow Systems & Utah Hydroponics.

Shoppers also compared

  • Y
    YaraLiva Calcinit (calcium nitrate)
    YaraLiva Calcinit (calcium nitrate)
  • H
    Haifa Multi-K potassium nitrate
    Haifa Multi-K potassium nitrate
  • H
    Haifa MKP monopotassium phosphate
    Haifa MKP monopotassium phosphate
  • K
    K+S KALI Epsom salt (magnesium sulfate)
    K+S KALI Epsom salt (magnesium sulfate)
  • A
    Athena Pro Grow - 10 lb
    Athena Pro Grow - 10 lb
  • D
    Down to Earth OMRI Organic Solution Grade Potassium Sulfate 0-0-50, 1 lb
    Down to Earth OMRI Organic Solution Grade Potassium Sulfate 0-0-50, 1 lb
  • C
    Calcium Nitrate Fertilizer 15.5-0-0 with 19% Calcium
    Calcium Nitrate Fertilizer 15.5-0-0 with 19% Calcium
  • A
    Athena Pro Bloom Dry Soluble Bloom Booster Fertilizer, 10 LB
    Athena Pro Bloom Dry Soluble Bloom Booster Fertilizer, 10 LB
  • More plant fertilizers

    • M
      Manganese Sulfate Fertilizer
      Manganese Sulfate Fertilizer
    • A
      Aluminum Sulfate Fertilizer
      Aluminum Sulfate Fertilizer
    • 5
      5-11-26 Hydroponic Special Soluble Fertilizer
      5-11-26 Hydroponic Special Soluble Fertilizer
    • M
      Milorganite Long Lasting All Purpose Lawn Food, 6-4-0 Fertilizer
      Milorganite Long Lasting All Purpose Lawn Food, 6-4-0 Fertilizer
    • A
      Athena Pro Core 14-0-0 17% Ca
      Athena Pro Core 14-0-0 17% Ca
    • G
      General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca
      General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca
    • P
      Peters Professional 5-11-26 Hydroponic Special Fertilizer
      Peters Professional 5-11-26 Hydroponic Special Fertilizer
    • S
      Sunniland Nitro Green 16-0-8, 33 lb.
      Sunniland Nitro Green 16-0-8, 33 lb.