Calcium Nitrate


The 4# bag is not the same as the Calcium Nitrate used in hydroponic systems. It will not work as a soluble fertilizer.

A non-soluble form intended to be applied in the soil.

A non-soluble form intended to be applied in the soil.

4 lb bag
A $ 14.30 flat rate box holds 3 to 4 – 4# bags  and ships anywhere in the US.

SKU: 773-4 Category:


Calcium nitrate, also called Norgessalpeter, is an inorganic compound with the formula Ca(NO₃)₂. This colourless salt absorbs moisture from the air and is commonly found as a tetrahydrate. It is mainly used as a component in fertilizers but has other applications.

Providing the correct amount of nutrients to your plants is crucial to their health and development. When plants don’t have enough of a certain nutrient, pests, disease and low bearing are often the result. Calcium nitrate fertilizer is the only water soluble source of calcium available for plants. What is calcium nitrate? It works both as a fertilizer and for disease control. Read on to learn how to use calcium nitrate and decide if it will be usef…
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