Potassium Nitrate

Seed Barn

99.8% Pure Potassium Nitrate Powder (Saltpeter)

Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Produces wonderful nourishments for plants and promotes healthy and efficient plant growth as well. Providing nutrients is a vital part of the metabolic process in the plant's cell that acts as a water management source for the plant, ensuring a healthy style of living.

Characteristic Ratings

  • Colorless and Odorless
  • Water-soluble and chloride free
  • Protect chloride sensitive crops (strawberries, lettuce, beans, etc.)
  • Produce Fertilizer Blends
  • Greenhouse Grade

Customer Reviews

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Based on 17 reviews Average Rating 4.9 stars out of 5
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  • D
    Dennis Hylton D. H. Dennis H.

    Potassium Nitrate

    Things were great

  • C
    Craig Dremann C. D. Craig D.

    Good price for a good product!

    Very reasonable price for a good quality product!

  • H
    Heath Dougherty H. D. Heath D.

    Good quality Came as described!

    Potassium Nitrate - 8 Oz.

  • S
    Svetlana DeGrey S. D. Svetlana D.

    Prompt shipment and the product is good.

    The product arrived promptly. Thank you!

  • D
    Don Greene D. G. Don G.


    Exactly as advertised. We’ll order again.

  • A
    Alex Greer A. G. Alex G.


    I got it before there was an issue

  • R
    Russell Clusman R. C. Russell C.

    Seed World is fast

    Very efficient no delay and oroduct exactly as ord.ered

  • J
    John Anschutz J. A. John A.

    Seed World is the best!

    I recently ordered potassium nitrate for my pecan trees. It was delivered as expected in great shape and on time. So glad seed world can supply things that I often cannot find locally.

  • E
    Eric Woomer E. W. Eric W.

    Another excellent transaction.

    Great price as always and at my door in no time thanks again

  • G
    Gary S Moore G. S. M. Gary S. M.

    Potassium Nitrate 8Oz

    I do not know if products works yet, however it comes in a small self enclose bag, I would have preferred a container of some sorts for this. It is what I expected

  • g
    greg MITCHELL G. M. greg M.

    Potassium Nitrate order

    Thank you, everything was Great.

  • B
    Bill Gunter B. G. Bill G.


    Quick ship!

  • B
    Bill Gunter B. G. Bill G.


    Very quick ship!

  • S
    Scott Deppe S. D. Scott D.

    Good deal

    Just when I needed to get my plants the boost they needed.

  • D
    David Comardelle D. C. David C.

    It was shipped fast

    It was shipped fast and correct. Will order again.

Ask your Question about this product

Category: Potassium Nitrate

Type: Chemicals

Brand: Seed Barn

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