Potassium Fertilizers

20lb KMS Potassium Magnesium Sulfate 0-0-21.5 SulPoMag Soluble Fertilizer Powder
20lb KMS Potassium Magnesium Sulfate 0-0-21.5 SulPoMag Soluble Fertilizer Powder on E-Bay starting at $45.00

Free Worldwide Shipping

Expedited: No

Next Day: No

theseedsupply

Rating: 100.0%

5 lb Humic  Powder - Potassium Humates  FREE SHIPPING
5 lb Humic Powder - Potassium Humates FREE SHIPPING on E-Bay starting at $22.00

Free Worldwide Shipping

Expedited: Yes

Next Day: No

1lb Grower's Secret 7-6-4 Organic Garden Fertilizer All Purpose OMRI Listed
1lb Grower's Secret 7-6-4 Organic Garden Fertilizer All Purpose OMRI Listed on E-Bay starting at $26.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Potassium and Sulphur Terpene Boost - NUTRI+ TERPENOIDS BOOSTER 0-0-4 -1 QUART
Potassium and Sulphur Terpene Boost - NUTRI+ TERPENOIDS BOOSTER 0-0-4 -1 QUART on E-Bay starting at $40.45

Free Worldwide Shipping

Expedited: No

Next Day: No

NPK RAW Potassium / 8 oz
NPK RAW Potassium / 8 oz on E-Bay starting at $26.00

Free Worldwide Shipping

Expedited: No

Next Day: No

VooDooDepot

Rating: 97.8%

5 LB MKP Fertilizer Soluble Potassium 30% Phosphorus 50%  No Nitrogen Hydroponic
5 LB MKP Fertilizer Soluble Potassium 30% Phosphorus 50% No Nitrogen Hydroponic on E-Bay starting at $103.44

Free Worldwide Shipping

Expedited: Yes

Next Day: No

The Organic Store

Rating: 100.0%

MUSA FERTILIZER 2 LBS -Soluble Potassium Micro Nutrients Nitrogen FREE SHIPPING
MUSA FERTILIZER 2 LBS -Soluble Potassium Micro Nutrients Nitrogen FREE SHIPPING on E-Bay starting at $26.79

Free Worldwide Shipping

Expedited: No

Next Day: No

The Organic Store

Rating: 100.0%

Potassium Sulfate 99% pure greenhouse grade powder (0-0-52) 10lb bag
Potassium Sulfate 99% pure greenhouse grade powder (0-0-52) 10lb bag on E-Bay starting at $40.00

Free Worldwide Shipping

Expedited: Yes

Next Day: No

demensionschem

Rating: 100.0%

0-5V/10V Plant Fertilizer Phosphorus and Potassium Meter Probe Soil Sensor
0-5V/10V Plant Fertilizer Phosphorus and Potassium Meter Probe Soil Sensor on E-Bay starting at $32.27

Free Flat Rate Shipping

Expedited: No

Next Day: No

industrialmachine5

Rating: 100.0%

FoxFarm (#FX14092) Grow Big Liquid Plant Food 6-4-4, Concentrate - 1 pint
FoxFarm (#FX14092) Grow Big Liquid Plant Food 6-4-4, Concentrate - 1 pint on E-Bay starting at $27.02

Free Worldwide Shipping

Expedited: No

Next Day: No

Esbenshades Garden Center

Rating: 99.7%

Boca Hydro Ocean-K Organic Seaweed Fertilizer Amino Acid Plant Growth Enhancer
Boca Hydro Ocean-K Organic Seaweed Fertilizer Amino Acid Plant Growth Enhancer on E-Bay starting at $49.99

Free Worldwide Shipping

Expedited: No

Next Day: No

True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay
True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay on E-Bay starting at $99.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Miracle-Gro Water Soluble Miracid For Acid-Loving Plant Food Promote Vibrant 1lb
Miracle-Gro Water Soluble Miracid For Acid-Loving Plant Food Promote Vibrant 1lb on E-Bay starting at $16.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Mary's Online Deals

Rating: 99.4%

Humboldt Nutrients Deuce Deuce 1 GAL flowering fertilizer potassium supplement
Humboldt Nutrients Deuce Deuce 1 GAL flowering fertilizer potassium supplement on E-Bay starting at $59.95

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Quail Mountain Ranch 530-889-2390

Rating: 100.0%

Monopotassium phosphate MKP 0-52-34 Soluble Mono Potassium Phosphate 10 Pounds
Monopotassium phosphate MKP 0-52-34 Soluble Mono Potassium Phosphate 10 Pounds on E-Bay starting at $141.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

homengardenproducts

Rating: 100.0%

Potassium Chloride 0-0-62 Muriate of Potash Water Soluble Fertilizer 5 Pounds
Potassium Chloride 0-0-62 Muriate of Potash Water Soluble Fertilizer 5 Pounds on E-Bay starting at $31.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

homengardenproducts

Rating: 100.0%

- High Potassium Lawn Food Liquid Fertilizer 0-0-25 - Concentrated Spray - Tu...
- High Potassium Lawn Food Liquid Fertilizer 0-0-25 - Concentrated Spray - Tu... on E-Bay starting at $36.75

Free Worldwide Shipping

Expedited: No

Next Day: No

uu6196

Rating: 99.6%

21 Pounds Coffee Grounds 2% nitrogen +  varying amounts phosphorus And potassium
21 Pounds Coffee Grounds 2% nitrogen + varying amounts phosphorus And potassium on E-Bay starting at $36.00

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

loridzor

Rating: 98.9%

SUPER BLOOM BOOSTER 1 lb bag of Haifa MKP - Mono Potassium Phosphate 0-52-34
SUPER BLOOM BOOSTER 1 lb bag of Haifa MKP - Mono Potassium Phosphate 0-52-34 on E-Bay starting at $11.99

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

10 Lbs Muriate of Potash 0-0-60 All Natural Fertilizer, Organic High Potassium
10 Lbs Muriate of Potash 0-0-60 All Natural Fertilizer, Organic High Potassium on E-Bay starting at $34.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Thrifty Deals 12989

Rating: 99.2%

ORGANIC Chicken Manure NPK Fertilizer Nitrogen Phosphate Potassium - 25LBS
ORGANIC Chicken Manure NPK Fertilizer Nitrogen Phosphate Potassium - 25LBS on E-Bay starting at $47.95

Free Worldwide Shipping

Expedited: No

Next Day: No

100 GRAMS BLOOM BOOSTER Haifa MKP Mono Potassium Phosphate 0-52-34  MAKES 12 GAL
100 GRAMS BLOOM BOOSTER Haifa MKP Mono Potassium Phosphate 0-52-34 MAKES 12 GAL on E-Bay starting at $15.00

Shipping Calculated by Location

Expedited: No

Next Day: No

Mono potassium phosphate MKP 0-52-34 Soluble 25 Pound Hydroponic Bloom Fast Ship
Mono potassium phosphate MKP 0-52-34 Soluble 25 Pound Hydroponic Bloom Fast Ship on E-Bay starting at $99.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Silica Soluble Powder Agsil 16 Pure Potassium Silicate   8 oz
Silica Soluble Powder Agsil 16 Pure Potassium Silicate 8 oz on E-Bay starting at $19.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

4 Ounces Organic Soluble Humic Acid Powder Potassium Humates Natural Fertilizer
4 Ounces Organic Soluble Humic Acid Powder Potassium Humates Natural Fertilizer on E-Bay starting at $10.99

Free Flat Rate Shipping

Expedited: No

Next Day: No

theseedsupply

Rating: 100.0%

Growth Products 0-0-25 Liquid Potassium  2.5 Gallons
Growth Products 0-0-25 Liquid Potassium 2.5 Gallons on E-Bay starting at $145.00

Free Worldwide Shipping

Expedited: No

Next Day: No

30g Potassium Dihydrogen Phosphate Leaf Surface Fertilizer Compound Fertilizer
30g Potassium Dihydrogen Phosphate Leaf Surface Fertilizer Compound Fertilizer on E-Bay starting at $2.31

Free Worldwide Shipping

Expedited: No

Next Day: No

maiguang_d

Rating: 95.2%

Mother Plant Part A & Part B (1 Gallon EACH) Specialty Plant Fertilizer 420
Mother Plant Part A & Part B (1 Gallon EACH) Specialty Plant Fertilizer 420 on E-Bay starting at $145.00

$0.0 FreePickup Worldwide shipping

Expedited: Yes

Next Day: No

5 oz Worm Poop-organic worm castings. Plant food & hermit crab
5 oz Worm Poop-organic worm castings. Plant food & hermit crab on E-Bay starting at $2.50

$0.0 FreePickup Worldwide shipping

Expedited: No

Next Day: No

Emerald Harvest 723958 Sturdy Stalk Potassium Silicate Supplement, 0.95 L
Emerald Harvest 723958 Sturdy Stalk Potassium Silicate Supplement, 0.95 L on E-Bay starting at $29.99

Free Worldwide Shipping

Expedited: No

Next Day: No

TD Supply Corp

Rating: 98.7%

Boca Hydro Organic Sulfate of Potash Water Soluable Nutrient Fertilizer 0-0-50
Boca Hydro Organic Sulfate of Potash Water Soluable Nutrient Fertilizer 0-0-50 on E-Bay starting at $24.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Boca Hydro Organic Sulfate of Potash Water Soluable Nutrient Fertilizer 0-0-50
Boca Hydro Organic Sulfate of Potash Water Soluable Nutrient Fertilizer 0-0-50 on E-Bay starting at $39.99

Free Worldwide Shipping

Expedited: No

Next Day: No

True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay
True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay on E-Bay starting at $99.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay
True Starter Kit-Iron Chelate-Potassium-Magnesium-Calcium-No Shipping Delay on E-Bay starting at $99.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

0-5V/10V Plant Fertilizer Phosphorus and Potassium Meter Probe Soil Sensor
0-5V/10V Plant Fertilizer Phosphorus and Potassium Meter Probe Soil Sensor on E-Bay starting at $32.27

Free Flat Rate Shipping

Expedited: No

Next Day: No

industrialmachine5

Rating: 100.0%

Jonnie White, ed: Potassium in Agriculture: Australia & New Zealand/fertilisers
Jonnie White, ed: Potassium in Agriculture: Australia & New Zealand/fertilisers on E-Bay starting at $16.83

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Uppity Goat Books

Rating: 100.0%

10 LB Easy Peasy All Natural Muriate of Potash Potassium Fertilizer with 0-0-60
10 LB Easy Peasy All Natural Muriate of Potash Potassium Fertilizer with 0-0-60 on E-Bay starting at $52.75

Free Worldwide Shipping

Expedited: No

Next Day: No

360-THRIFT

Rating: 99.2%

AgroThrive Organic General Purpose Liquid Fertilizer Liquid Concentrate 32 oz
AgroThrive Organic General Purpose Liquid Fertilizer Liquid Concentrate 32 oz on E-Bay starting at $35.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Mary's Online Deals

Rating: 99.4%

Advanced Nutrients Big Bud Liquid Fertilizer, 1-Liter 1 Liter
Advanced Nutrients Big Bud Liquid Fertilizer, 1-Liter 1 Liter on E-Bay starting at $43.19

Free Worldwide Shipping

Expedited: Yes

Next Day: No

ndsfan2010

Rating: 97.3%

8-5-5 Nitrogen, Phosphate, Potassium Fertilizer. Pelletized, Trace Minerals.
8-5-5 Nitrogen, Phosphate, Potassium Fertilizer. Pelletized, Trace Minerals. on E-Bay starting at $25.97

Free Worldwide Shipping

Expedited: No

Next Day: No

EARTH JUICE META-K NATURAL LIQUID POTASSIUM FERTILIZER 0-0-5 2.5 GAL
EARTH JUICE META-K NATURAL LIQUID POTASSIUM FERTILIZER 0-0-5 2.5 GAL on E-Bay starting at $199.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Eden Garden Supply LLC

Rating: 98.0%

Organic Dry Coconut Husk  | Natural Plantation Fertilizer | Husks From Sri Lanka
Organic Dry Coconut Husk | Natural Plantation Fertilizer | Husks From Sri Lanka on E-Bay starting at $45.00

Free Flat Rate Shipping

Expedited: No

Next Day: No

Purple Granular Fertilizer High Potassium for Blooming  (Dam Keta pohora)
Purple Granular Fertilizer High Potassium for Blooming (Dam Keta pohora) on E-Bay starting at $12.49

Free Worldwide Shipping

Expedited: No

Next Day: No

Potassium Chloride 0-0-62 Muriate of Potash Water Soluble Fertilizer 10 Pounds
Potassium Chloride 0-0-62 Muriate of Potash Water Soluble Fertilizer 10 Pounds on E-Bay starting at $47.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

homengardenproducts

Rating: 100.0%

Fox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm
Fox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm on E-Bay starting at $15.80

Free Flat Rate Shipping

Expedited: No

Next Day: No

Twobeart_76

Rating: 96.0%

5 Pounds - Potassium Sulfate - Sulfate of Potash
5 Pounds - Potassium Sulfate - Sulfate of Potash on E-Bay starting at $28.39

Free Worldwide Shipping

Expedited: No

Next Day: No

MatontsJack

Rating: 97.7%

POWER Si PK SYNERGY 250mL (boosts phosphorus and potassium uptake)
POWER Si PK SYNERGY 250mL (boosts phosphorus and potassium uptake) on E-Bay starting at $19.95

Free Worldwide Shipping

Expedited: No

Next Day: No

Moo Hydroponics

Rating: 98.1%

LOKOMOTIVE 2-0-25 fertilizer 2.5gallons - Potassium targeted plant food
LOKOMOTIVE 2-0-25 fertilizer 2.5gallons - Potassium targeted plant food on E-Bay starting at $159.00

Free Flat Rate Shipping

Expedited: No

Next Day: No

Mono Potassium Phosphate MKP Water Soluble Plant Food Flowering Enhancer Bloom
Mono Potassium Phosphate MKP Water Soluble Plant Food Flowering Enhancer Bloom on E-Bay starting at $15.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

DansAquaMaze

Rating: 99.7%

25 lb Organic water Soluble potassium humate-free shipping humus  humic
25 lb Organic water Soluble potassium humate-free shipping humus humic on E-Bay starting at $139.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No


Affiliate Disclosure: As an Amazon Associate, I earn from qualifying purchases.