Loading... Please wait...
  • Image 1

Potassium Nitrate| KNO3 | 1lb


Product Description

Potassium Nitrate - KNO3  13.7-0-46

Potassium Nitrate(KNO3) provides Nitrogen (N) essential for chlorophyll production as well Potassium (K) necessary for protein synthesis and for plants to metabolize Iron (Fe).

  • Dosing:  1/16th tsp into 10 gallons will add 5ppm nitrate

*Amounts above are for reference only.  Your planted aquarium may need more or less depending on many factors.


Guaranteed Analysis

Total Nitrogen(N) ....................13.7%

13.7% Nitrate Nitrogen

Soluble Potash(K2O) ................46%




Warning:  Store in a cool dark location out of the reach of small children.  Not for human consumption.


Find Similar Products by Category

Product Reviews

Write your own product review

Showing reviews 1-10 of 11 | Next

  1. Great stuff 5 Star Review

    Posted by on Jan 5th 2019

    I've been using this fert for a while now and it's great. It goes a long way.

  2. I LOVE THESE FERTS 5 Star Review

    Posted by on Mar 30th 2018

    Ask me how AMAZING my plants are doing now that I have the goods. The order was processed immediately, and Emails following with updates along the way, with tracking, etc. Great customer service. Great system in place for making it smooth and precise.. very very satisfied.

  3. potassium nitrate 5 Star Review

    Posted by on Mar 26th 2018

    Good product, excellent prices fast shipping

  4. good packaging 5 Star Review

    Posted by on Nov 12th 2017

    The ferts came packed in sturdy plastic, is nicely sealed with a great price.

  5. great product 5 Star Review

    Posted by on Sep 4th 2017

    Great product as always and fast delivery!!

  6. Great Products, Great Prices, Great Speed 5 Star Review

    Posted by on Feb 8th 2017

    Quality products at great prices. I was very pleased with how quickly my order shipped and was received. The bags they come in are a heavy material and reseals perfectly on the first try every time. I use this in my aquariums and it mixes clear. Overall great products!

  7. good quality product 5 Star Review

    Posted by on Dec 8th 2016

    Good quality at an excellent price, with speedy shipping. Bag reseals well. Research shows that at 50 ppm KNO aids begonia seed germination.


  8. Great Products at Best Prices! 5 Star Review

    Posted by on Nov 15th 2016

    Fast shipping, all products are as indicated and prices are great, never had a problem with products.

  9. Great Product 5 Star Review

    Posted by on Sep 9th 2016

    My order arrived fast and in great condition. Love that the ferts are packaged in their own resealable bag so you don't have to go find your own. Product appears very pure and mixes right in.

  10. Dosing Nitrates: Reef 5 Star Review

    Posted by on Aug 1st 2016

    I use this for my reef aquarium -- The product is clean, mixes clear, is devoid of unwanted mineral deposits and harsh metals. Used to raise my Nitrates from 0ppm (undetectable) to 5ppm. Corals have improved in color and Polyp Extension within a week. Very happy with my purchase, highly recommended for reefs.

    - Fast Delivery
    - Clean Product
    - Priced Well
    - Mixes Clear
    - Doesn't cloud water
    - No Precipitation

Showing reviews 1-10 of 11 | Next

Recent Updates

Sign up to our newsletter

Connect with us: Facebook