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PowerGrow Calcium Nitrate is a fully water-soluble fertilizer that supplies nitrogen and calcium together. The nitrogen drives leafy vegetative growth, while the calcium strengthens cell walls and helps head off calcium deficiencies such as blossom end rot in tomatoes and peppers. It suits hobby gardeners and small growers who fertigate or mix their own nutrient solutions, and it is the kind of straightforward single-ingredient salt that hydroponic and container growers pair with a potassium and phosphorus source rather than use alone. Buyers rate it highly, and the main caveat is that it is one part of a feeding program, not a complete fertilizer.
In stockSold by Fisch Industries USAReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $17.59 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
Buyers rate it 4.7 out of 5 and mostly praise how completely it dissolves and how well it performs against blossom end rot. Complaints center on the need to combine it with other nutrients and on clumping when it takes on moisture.
Calcium Nitrate Fertilizer is a 100% water soluble, agricultural grade fertilizer. It is used by hobbyists and professional growers. Because it dissolves fully in water, plants can take it up easily.
Its high nitrogen content encourages lush, green vegetative growth. The water soluble calcium strengthens plant cell walls and increases plant resilience. It can also prevent common calcium deficiencies, such as blossom end rot in tomatoes.
