Best Potassium Fertilizer (2019) - Buyer's Guide

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Best Potassium Fertilizer

Our Favorite 7 Potassium Fertilizer of 2019

  1. Potassium Sulfate 0-0-53 Plus 18% Sulfur 100% Water Soluble Greenway Biotech Brand 5 pounds
  2. Monopotassium Phosphate Fertilizer
  3. Down To Earth Organic Langbeinite Fertilizer
  4. Natures Nectar 719890 Potassium Fertilizer
  5. RAW Potassium 2 oz
  6. Liquid Kelp Organic Seaweed Fertilizer
  7. Potassium Chloride 0-0-62 Muriate Of Potash 100% Water Soluble Fertilizer

Ideas on how to spend less 86%! Let’s decipher it.

You must click on the site about big sales. Right here is the website. If you don’t worry about brand names, then simply just sort out potassium fertilizer by price and select your one with your greatest discounted rate.

Warning! Don’t buy any potassium fertilizer until you read this! Click to read.

Tests Results to get the Best Potassium Fertilizer

Rating Image Name and Features Details
4.8
Potassium Sulfate 0-0-53 Plus 18% Sulfur 100% Water Soluble Greenway Biotech Brand 5 pounds 1. Potassium Sulfate 0-0-53 Plus 18% Sulfur 100% Water Soluble Greenway Biotech Brand 5 pounds (Editor’s Choice)
Enhances roots growth in plants.
Read reviews
4.5
Monopotassium Phosphate Fertilizer 2. Monopotassium Phosphate Fertilizer (Most Durable)
Great source of water soluble potassium and phosphate.
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4.3
Down To Earth Organic Langbeinite Fertilizer 3. Down To Earth Organic Langbeinite Fertilizer
Potassium, magnesium and sulfurs.
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4.3
Natures Nectar 719890 Potassium Fertilizer 4. Natures Nectar 719890 Potassium Fertilizer
The potassium source also contains cytokinins to increase number of flower sites.
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3.8
RAW Potassium 2 oz 5. RAW Potassium 2 oz
This is the highest concentration of natural water soluble potassium available to the home gardener.
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3.5
Liquid Kelp Organic Seaweed Fertilizer 6. Liquid Kelp Organic Seaweed Fertilizer
Improves seed germination and increases root development.
Read reviews
3.5
Potassium Chloride 0-0-62 Muriate Of Potash 100% Water Soluble Fertilizer 7. Potassium Chloride 0-0-62 Muriate Of Potash 100% Water Soluble Fertilizer
Potassium is very important for good root.
Read reviews

 

So now Let you’s Concentrate On three Best Potassium Fertilizer of 2019

 

 

№ 1. Potassium Sulfate 0-0-53 Plus 18% Sulfur 100% Water Soluble Greenway Biotech Brand 5 pounds

 

Ease of use
5/5
 

Size
5/5
 

Performance
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
4.8
Greenway Biotech, Inc. TRTAZ11A 4.8 pounds
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Why did this potassium fertilizer win?

Improve the yield and quality of plants. Balances plants’ metabolism to improve protein synthesis to energize plants for healthy growth. Enhances roots growth in plants. Improves the immune system in plants so they become more resistant to diseases. 5 pounds of greenway biotech potassium sulfate 0-0-53 100% water soluble (sulfate of potash).

 

 
Pros
Balances plants’ metabolism
Enhances roots growth in plants
Cons
I never had any problems.
 

 

 

№ 2. Monopotassium Phosphate Fertilizer 0-52-34 100% Water Soluble Hydroponicsgreenway Biotech Brand 5 Pounds

 

Ease of use
5/5
 

Size
4/5
 

Performance
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
4.5
Greenway Biotech, Inc. TRTAZ11A 5 pounds
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Why did this potassium fertilizer is on the second place?

5 pounds of greenway biotech brand monopotassium phosphate 0-52-34 contains 52% phosphorous and 34% potassium and is 100% water soluble. Great source of water soluble potassium and phosphate. Great water soluble fertilizer for all stages of growth. It helps with roots strength, buds, and blooms.

 

 
Pros
It helps with roots strength
Great source
Cons
It is difficult to use in winter.
It is too expensive for what you get.
 

 

 

№ 3. Down To Earth Organic Langbeinite Fertilizer Mix 0-0-22, 5 Lb

 

Ease of use
5/5
 

Size
4/5
 

Performance
5/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
4.3
Down To Earth All Natural Fertilizers 07852 4.8 x 7.2 x 7.8 inches 5.43 pounds
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Why did this potassium fertilizer is on the third place?

Down to earth langbeinite is a five pound box of all natural fertilizer with 0-0-22 formula and is listed by the organic materials review institute (omri) for use in organic production. Widely used on sensitive vegetables and fruit crops that require high fertilization rates but do not tolerate high levels of chlorine or soluble salts. Langbeinite is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs. This standard grade langbeinite has a typical sgn of 95 and is an excellent source of readily available sulfur, potassium and magnesium.

This standard grade langbeinite has a typical sgn of 95 and is an excellent source of readily available sulfur, potassium and magnesium. It s maximum chlorine content is less than 3.0 percent, minimizing the potential for fertilizer burn, and it s neutral ph does not alter soil activity.

 

 
Pros
This standard grade langbeinite has a typical sgn
It s maximum chlorine content is less than 3.0 percent
Langbeinite is a naturally mined crystalline mineral
This standard grade langbeinite has a typical sgn
Widely used on sensitive vegetables
Cons
Its counterparts are less expensive.
Considering the price, the material quality could be better.
 

 

 

Exactly What Can Consumers Say About Different Potassium Fertilizer

 

 

№ 4. Natures Nectar 719890 Potassium Fertilizer

 

Ease of use
2/5
 

Size
5/5
 

Performance
5/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.3
Nature’s Nectar 719890 4.3 x 2.7 x 8.1 inches 2.6 pounds
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Why did this potassium fertilizer is on the fourth place?

Fast release potassium completely solubilized. Builds plant’s immune system with a combination of sea kelp species. Simple and complex carbohydrates. Alginic acid ensures translocation of potassium into plant. The potassium source also contains cytokinins to increase number of flower sites.

 

 
Pros
The potassium source also contains cytokinins
Fast release potassium completely solubilized
Builds plant’s immune system
Alginic acid ensures translocation
Cons
Takes a lot of time to get used to.
The instruction manual has many mistakes.
 

 

 

№ 5. RAW Potassium 2 oz

 

Ease of use
3/5
 

Size
4/5
 

Performance
5/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
3.8
NPK Industries 717909 4.2 x 1 x 6.5 inches 2.4 ounces
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Why did this potassium fertilizer is on the fifth place?

Raw potassium contains 50% water soluble potash derived from potassium sulfate. This is the highest concentration of natural water soluble potassium available to the home gardener. During fruiting and flowering, large amounts of potassium are used by the plant in a matter of days which can lead to potassium deficiencies.

 

 
Pros
During fruiting
Cons
Comes only in one size.
The high price tag is not justified.
 

 

 

№ 6. Liquid Kelp Organic Seaweed Fertilizer 32 Ounce

 

Ease of use
2/5
 

Size
3/5
 

Performance
4/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
3.5
GS Plant Foods LK320z 4 x 4 x 8 inches 2.25 pounds
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Why did this potassium fertilizer is on the sixth place?

Improves seed germination and increases root development. Made from the finest seaweed plant ascophyllum nodosu. Increases bloom set and size of flowers and fruit. One of nature’s ‘miracle’ plant foods. Relieves stress in plants caused by extreme weather conditions.

 

 
Pros
Improves seed germination
Increases bloom set
Relieves stress in plants caused by extreme weather conditions
Cons
Takes a lot of time to get used to.
 

 

 

№ 7. Potassium Chloride 0-0-62 Muriate Of Potash 100% Water Soluble Fertilizer Greenway Biotech Brand 25 Pounds

 

Ease of use
3/5
 

Size
5/5
 

Performance
2/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
3.5
Greenway Biotech, Inc. 26 pounds
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Why did this potassium fertilizer is on the seventh place?

Potassium is very important for good root. 25 pounds of greenway biotech potassium chloride 0-0-62. Helps regulate plant metabolism and affects water pressure regulation inside and outside of plant cells. The chloride content of potassium chloride improves yield. Potassium increases plant vigor and disease resistance.

 

 
Pros
The chloride content
Helps regulate plant metabolism
Potassium increases plant vigor
Potassium is very important
Cons
Has an uncomfortable construction.
Looks awful.
 
Meet the Author
My name is Bronson Allen and I am a Reviewer. I graduated from Howard University.

Contact me if you have any questions:
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