1. Home
  2. Fertilizers
  3. Water Soluble Fertilizers
  4. Water Soluble Calcium
  5. Calcium Nitrate fertilizer
  6. Haifa Cal Prime 17-0-0 with 23.5% Calcium
  7. Haifa Cal Prime 20 lb.
Haifa Cal Prime 20 lb.
Haifa Cal Prime 20 lb.

Haifa Cal Prime 20 lb.

Write a Review
Your Price: $38.00
Retail Price:$45.80
You Save:$7.80(17%)
Concentrated Calcium Nitrate 17-0-0 with 23.5% Calcium UPS Ground shipping ONLY! Ships as LIMITED QUANTITY 4 x 11# bags inside a plastic bucket
Part Number: Haifa Cal Prime 20 pound bucket
Availability: -1 Temporary Back Order

Haifa Cal™ Prime™ 20 pound bucket


Concentrated Calcium Nitrate 17-0-0 with 23.5% Calcium

UPS Ground shipping ONLY! Ships as 2 x 10# bags inside a plastic bucket, LIMITED QUANTITY

Haifa's new prime grade of calcium nitrate offers multiple benefits for growers who seek the most precise results in challenging growth conditions. With high concertation and near zero ammonium level this new product sets new standards of calcium nitrate.


Ideal for soilless-grown crops

In advanced greenhouses where soilless growth media and hydroponics are employed, the pH of the nutritional solution must be carefully balanced. Haifa Cal™ prime is virtually free of ammonium, thus ideal for soilless crops.

Best for zones of high sun irradiation

Accelerated uptake of ammonium by the plant due to intense sun irradiation may result in toxic effects.  Haifa Cal™ Prime assures safe supply of essential calcium with no harmful side-effects.


Grants extra-convenience in handling

Haifa Cal™ Prime is 17% more concentrated than other calcium nitrate products*; therefore application volumes can be significantly reduced while the plants enjoys optimal calcium nitrate levels.  Haifa Cal™ Prime extra convenient to apply by Nutrigation™ or foliar spray.


Haifa Cal® Prime (17-0-0 + 33% CaO) is a new innovative calcium nitrate from Haifa. This unique product contains a significantly lower ammonium content (0.3%) than the conventional water-soluble calcium nitrate (that contains 1.1 percent of ammonium nitrogen).

Due to this higher concentration ammonia, the pH is sometimes adversely affected in the cultivation medium. To much ammonia nitrogen can also disrupt the uptake of potassium and calcium. In addition to a lower ammonium, Haifa-Cal® Prime is also higher concentrated. Growers need less kilograms of product to provide plants of calcium. The advantage: fewer transport movements and less storage capacity. Haifa Cal® Prime is excellent water soluble.

Haifa Cal Prime technical specifications
Total Nitrogen (N) 17.0
Nitric Nitrogen (N-NO3) 16.7
Ammoniacal Nitrogen (N-NH4) 0.3
Calcium soluble in water (Ca) 23.5
Calcium Oxide (CaO) 33.0
Insoluble matter 0.03


SKU: Haifa Cal Prime 20 pound bucket
Model Number:

Related Items

Haifa Cal Prime 4 lb.
Back Order.
Haifa Cal Prime 1 lb.
In Stock.
0 Items