SKU: 12074050612

Haifa Multi-K | Greenhouse Potassium Nitrate | Saltpeter KNO3

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Description

Haifa Multi-K | Greenhouse Potassium Nitrate | Saltpeter KNO3Haifa Multi K Greenhouse Potassium Nitrate Saltpeter KNO3 Available in these sizes: 1 Pound 5 Pounds 20 Pounds 50 Pounds 1 Ton Haifa Multi K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is a fully water soluble potassium nitrate fertilizer and a highly efficient source of nitrogen and potassium for plants. Haifa Multi K is a fully water soluble fertilizer for Nutrigation and foliar feeding of all crops. Being a highly efficient source of

Haifa Multi-K | Greenhouse Potassium Nitrate | Saltpeter KNO3

Available in these sizes:

  • 1 Pound
  • 5 Pounds
  • 20 Pounds
  • 50 Pounds
  • 1 Ton

Haifa Multi-K | Greenhouse Potassium Nitrate | Saltpeter KNO3 Fertilizer is a fully water-soluble potassium nitrate fertilizer and a highly efficient source of nitrogen and potassium for plants.

Haifa Multi-K is a fully water-soluble fertilizer for Nutrigation and foliar feeding of all crops. Being a highly efficient source of potassium and nitrogen for plants, Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is recommended for use in all phases of the growth season. Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer can be tank-mixed with other fertilizers to meet crop nutritional needs throughout the growth cycle.

Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is suitable for preparation of fertilizer blends and for production of liquid fertilizers.

Advantages

The Advantages of Haifa Multi-K

  • Fully water-soluble.
  • Consists of 100% plant nutrients.
  • Free of chloride, sodium, and other detrimental elements for plants.
  • Safe for plants and humans: has a moderately low pH and low salt index.
  • Non-volatile; easy to apply with no nitrogen losses to the atmosphere
  • Suitable for the Nutrigation, foliar application, and production of fertilizer blends and nutrient solutions.
  • Wide-range compatibility with all types of fertilizers and agrochemicals

The presence of nitrate in Multi-K enables the plant to minimize its uptake of chloride whenever this deleterious anion is present in the soil solution or in the irrigation water. This makes Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer a necessity for chloride-sensitive crops

Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer for hydroponic or greenhouse farms is preferred since it's highly water soluble, it's great for foliar application, and it's used to help boost nitrogen and potassium during the flower and vegetative periods.

Benefits of Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer:

Due to its roles in many plant systems, potassium improves plant durability and improves yield quality:

  • Improved drought resistance
  • Increased winter hardiness
  • Better disease resistance
  • Improved yield quality
  • Longer storage life
  • Necessary for formation of sugars and starch
  • Activator of enzymatic reaction
  • Maintains turgor
  • Regulates opening of leaf stomata
  • Build cell walls
Composition

Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer Nutrient composition is approximately:

Nitrogen:
N-N03 = 13.5%
Total N = 13.5%

Potassium:
K = 38.4%
K2O = 46.2%

If you take 1 gallon of R.O. water and add 1 gram of Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer, you would have 36ppm NO3 Nitrogen and 102ppm (K) of potassium in solution.


Haifa Multi-K | Greenhouse Potassium Nitrate Fertilizer Product Analysis:

Analyte

Unit

Min

Max

Typical

Appearance

White Crystals

Total Potassium (as K2O)

%

46

-

46.2%

Total Potassium (as K)

%

38.2

-

38.4%

Total Nitrogen (N-NO3)

%

13.1

-

13.5%

Water Insolubles

%

-

750

350

Loss on Drying

%

-

0.2

0.1

pH (10% solution)

-

6

11

9

Bulk density

g/ml

0.9

1.2

1.1

Notes

Application Recommendations:

Nutrigation

Due to its unique characteristics, Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer can be applied through any irrigation system and on any growing medium. Unlike phosphoric acid, Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is moderately acidic. Thus, it does not form corrosion on fertilizer pumps or irrigation equipment.

Compatibility

Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is compatible with all water-soluble fertilizers.

Quantitative Nutrigation

Each kilogram of Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer in the tank provides 462 grams of potassium (K2O) and 135 grams of nitrate-nitrogen (N-NO3).

Proportional Nutrigation

The potassium concentration in the irrigation water depends on the quantity of Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer in the tank mix, and on the injection ratio.

Foliar Nutrition:

Foliar spraying with Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is effective in supplying potassium whenever a quick response to deficient plants is required. It should be considered as a supplemental method to soil applied potassium. The concentration of Haifa Multi-K solutions can be increased according to leaf age.

Haifa Multi-K Greenhouse Potassium Nitrate Saltpeter KNO3 Fertilizer is compatible with most commonly used pesticides and fertilizers. It is advisable to confirm compatibility of your intended spray-mix by preparing a sample of the spray materials at their recommended concentrations in order to rule out the possibility of a detrimental cross reaction. This mixture should be sprayed onto a small area prior to commercial treatment in order to assess whether an adverse effect occurs.

PDF Docs

Haifa Multi-K | Brochure

Haifa Multi-K | Product Info

Haifa Multi-K | MSDS


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 12074050612

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Paula
Grantham, US
★★★★★ 5
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Color: Black
My husband and I like to think of ourselves as wine connoisseurs, and over the years we’ve been through dozens of wine openers. So far, this one is our favorite. It’s pure magic—smooth, easy, and reliable every time. The charging base keeps everything organized. We’ve been using it for several months now without a single issue. It feels well-made and has definitely earned a permanent spot on our counter. It works so seamlessly that now we both want to open the wine.
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Reviewed in the United States on August 25, 2025
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Michelle Kim
Pawtucket, US
★★★★★ 5
A Surprisingly Premium, No-Nonsense Corkscrew That Just Works
Color: Silver, Number of Items: 1
I’ve gone through more corkscrews than I care to admit. Some cute, some clever, some that looked great on the countertop but absolutely fell apart the second they met a stubborn cork. This opener immediately impressed me with how solid and dependable it feels. The zinc alloy gives it a weight and sturdiness that you notice the moment you pick it up, and it has that “built to last” vibe you don’t usually get at this price point. What I love most is that there’s no learning curve, no gimmicks, and no unnecessary parts that will eventually loosen or snap. It’s the kind of tool that feels familiar but elevated. The turning mechanism is smooth, controlled, and surprisingly effortless, even on older bottles where the cork can be unpredictable. The wings rise evenly, don’t wobble, and give you a ton of leverage, so removing the cork feels almost too easy. It also doubles as a great bottle opener, and I appreciate that it actually feels like a bottle opener you can trust rather than a flimsy add-on tucked in as an afterthought. If you want something flashy for your bar cart, this may not be the centerpiece. But if you’re looking for a reliable, heavy-duty corkscrew that quietly outperforms the pretty ones, this is it. An incredibly solid value and easily one of the most dependable openers I’ve owned.
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Reviewed in the United States on December 4, 2025
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Tightwad in KC
Battle Creek, US
★★★★★ 5
Classic design and good sturdy quality
Color: Silver, Number of Items: 2
Let's just address the elephant in the room. My family says I am cheap, but I call it thrifty. Either way, I bought a couple of cork screws earlier that left like they would break at any moment when pushing down the arms, and after a few bottles, one arm did bend. So this time, i paid attention to the reviews and chose these cork screws as the review said they are solid quality. The review was correct. This design is pretty fool proof and easy for anyone to use. You do not need super human strength to pull the cork. Just remove the foil, screw the sharp coil into the cork until the arms have reached the top of their range, the place the bottle on a hard surface and push both arms down. Easy peasy. The bad openers I mentioned earlier did not have anything on the opener arms and the metal was thin. It did not provide a good feel. These cork screws have thicker arms and have a rubber grip on them which provides a much more comfortable operation. I would definitely recommend these cork screws for quality and value.
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Reviewed in the United States on June 14, 2025
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Barbara H.
Fort Morgan, US
★★★★★ 5
Get the cork out of a bottle!
Color: Silver, Number of Items: 1
The cork remover were really great. Absolutely simple to complete the task!
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Reviewed in the United States on May 11, 2026
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Michael Hale
Port Orchard, US
★★★★★ 4
Good wine opener, not great
Color: Silver, Number of Items: 1
Definitely doesn’t feel as robust as other openers I’ve used. Takes a bit for the teeth to catch and you have to ensure it’s all the way in before pulling the cork out. Still gets the job done though
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Reviewed in the United States on June 8, 2026

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