As an Amazon Associate I earn from qualifying purchases.
Keep it real, keep it lightrail; Solidly made in the USA since 1986. Potassium deficiencies lead to weak stalks and immature roots, leaving the plant susceptible to insects.

Contains potassium k, magnesium mg and sulfur S – three of the essential nutrients that plants require to achieve optimum growth and reach their maximum potential. In a balanced ratio and in the highly available water-soluble sulfate form, we offer a high performance solution grade powder that growers can apply with confidence.

Great for soil, hydro or coir - our bloom trigger is designed to be effective across all major growing mediums in its ability to elicit prolific budding, flowering, and aromatic terps such as Limonene.
Super concentrated - only 1-2 teaspoons 5-10ml are needed per gallon of water, making our Bloom Trigger both highly-effective and highly-economical. Prolific flowering - our bloom trigger provides a highly-available source of potassium and phosphorus to drive bud and flower production while being supported by supplementary Vitamin B-1.

It produce vibrant green leaves, strong vines and abundant fruit. Enhanced micronutrients - supplies the nutrients need most by tomatoes and other fruiting vine vegetables.

Among these are powerful nutrients, vitamins, essential organic components, amino acids, hormones, and every single micro and trace element you need to get your best harvests yet. Consists of nutrients, vitamins, amino acids, and organics.

This is the highest concentration of natural Water Soluble Potassium available to the home gardener. During fruiting & flowering, large amounts of potassium are used by the plant in a matter of days which can lead to K deficiencies.
Directions for use: add1/16th to 1/8th tsp per 2 Gallon in the reservoir for irrigation. Benefits: potassium is known as the health Element. About: raw potassium contains 50% water soluble potash derived from potassium sulfate. Increases sap and sugar content during later stages of fruit and flower. It helps maintain water and nutrient movement within the plant.

It will not clog drippers. Simply silica is designed to supplement your existent nutrient program, not replace it. The 8oz concentrate of Simply Silica makes 47 gallons of ready to use product.


1. Down To Earth All Natural Fertilizers
#ad
Down to Earth Organic Langbeinite Fertilizer Mix 0-0-22, 5 lb
#adDown To Earth All Natural Fertilizers #ad - Potassium contributes strongly to overall plant health by regulating internal processes. Down to earth langbeinite 0-0-22 is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs.Keep it real, keep it lightrail; Solidly made in the USA since 1986. Potassium deficiencies lead to weak stalks and immature roots, leaving the plant susceptible to insects.
More information #ad
Since potassium makes up part of the fluid of the plant, it is found throughout plant tissue, meaning plants need a strong source of potassium as they grow. Its maximum chlorine content is less than 3. 0 percent, minimizing the potential for fertilizer “burn, ” and its neutral pH does not alter soil activity.Brand | Down To Earth All Natural Fertilizers #ad |
Manufacturer | Down to Earth #ad |
Height | 10.8 Inches |
Length | 3.5 Inches |
Weight | 5.25 Pounds |
Width | 8 Inches |
Part Number | 07852 |
Model | 07852 |
More information #ad
2. Down To Earth All Natural Fertilizers
#ad
Down to Earth OMRI Organic Solution Grade Potassium Sulfate 0-0-50, 1 lb
#adDown To Earth All Natural Fertilizers #ad - Designed for efficient delivery and immediate uptake, fertigation, this 200 mesh powder can be used in reservoirs, drip irrigation or spray applications.Contains potassium k, magnesium mg and sulfur S – three of the essential nutrients that plants require to achieve optimum growth and reach their maximum potential. In a balanced ratio and in the highly available water-soluble sulfate form, we offer a high performance solution grade powder that growers can apply with confidence.
More information #ad
Listed by the organic Materials Review Institute OMRI for use in organic production. Performing a complete soil or plant tissue analysis or using a home soil test kit before application is recommended.Brand | Down To Earth All Natural Fertilizers #ad |
Manufacturer | Down To Earth All Natural Fertilizers #ad |
Part Number | DTE-FERT-SOLU-Potassium-1lb |
More information #ad
3. ENVY
#ad
Soil, ENVY Bloom Trigger Professional Grade 0-10-11 Phosphate + Potassium Supplement for Bloom Stage in Hydro, Coir
#adENVY #ad - High phosphate content - our bloom Trigger is scientifically formulated to supply Phosphorous and Potassium to your plants exactly when needed for superior budding, flowering and bulking.Great for soil, hydro or coir - our bloom trigger is designed to be effective across all major growing mediums in its ability to elicit prolific budding, flowering, and aromatic terps such as Limonene.
More information #ad
Better with envy - our bloom trigger works well with any and all supplemental nutrition; but for optimal results, consider using our ENVY CalMag+ Fe and our Base A/B nutrients together. Super concentrated - only 1-2 teaspoons 5-10ml are needed per gallon of water, making our Bloom Trigger both highly-effective and highly-economical. Prolific flowering - our bloom trigger provides a highly-available source of potassium and phosphorus to drive bud and flower production while being supported by supplementary Vitamin B-1.
Brand | ENVY #ad |
Manufacturer | National Liquid Fertilizer #ad |
More information #ad
4. EZ-gro
#ad
Tomato Fertilizer by EZ-gro is a High Potassium Fertilizer for Your Tomato Plants | Field Tested Tomato Plant Food for Vegetables | A Concentrated Liquid Tomato Plant Fertilizer | 1 Quart
#adEZ-gro #ad - Concentrated liquid fertilizer - Add to water for the most effective and accurate nutrient delivery system to your tomatoes plants. Free mearsuring cup - all of EZ-gro fertilizers come with a free measuring cup for precise and accurate product application.It produce vibrant green leaves, strong vines and abundant fruit. Enhanced micronutrients - supplies the nutrients need most by tomatoes and other fruiting vine vegetables.
More information #ad
High phosphorus content - encourages rapid root generation which eliminates transplant shock when used in a transplanting solution as a fertilizer for tomato plants. Ideal fertilizer - ez-gro 15-20-28 is the ideal blend of tomato food for encouraging healthy plant growth and a strong root system.Brand | EZ-gro #ad |
Manufacturer | EZ-gro Products #ad |
Height | 8 Inches |
Length | 5 Inches |
Weight | 2 Pounds |
Width | 2 Inches |
More information #ad
5. Element Nutrients
#ad
Heavier Harvests 250g, Flower Fuel 1-34-32, 250g, The Best Bloom Booster for Bigger
#adElement Nutrients #ad - Over 40 proprietary ingredients go into every jar of Flower Fuel. It works great with any base nutrient including all popular 2 and 3-part nutrients, coco, and in any soil, hydroponic or aeroponic system.Among these are powerful nutrients, vitamins, essential organic components, amino acids, hormones, and every single micro and trace element you need to get your best harvests yet. Consists of nutrients, vitamins, amino acids, and organics.
More information #ad
Formulated to achieve larger, denser and heavier harvests with more essential oil and resin content. Flower fuel is a 100% hydroponic-grade, soluble bloom fertilizer. Treats 200 gallons of water! try flower fuel Today for Bigger, Better Harvests! Flower fuel is a super-premium bloom booster. That means better looking, more valuable crops for you.Brand | Element Nutrients #ad |
Manufacturer | Element Nutrients #ad |
Height | 3 Inches |
Length | 3 Inches |
Weight | 0.55 Pounds |
Width | 3 Inches |
Part Number | FF250G |
More information #ad
6. RAW ELEMENTS
#ad
RAW- Potassium Health Element for Plant Growth/ Increase Fruiting and Flower Production/ Plant Feeding Supplement/ for Indoor /Outdoor Use/ Hydroponics- 2 oz
#adRAW ELEMENTS #ad - Raw potassium- easily mixes into water and is completely soluble. Raw potassium is ideal for boosting Potassium K levels, treating deficiencies & creating optimal recipe solutions. Works in conjunction with all nutrient & feeding programs.This is the highest concentration of natural Water Soluble Potassium available to the home gardener. During fruiting & flowering, large amounts of potassium are used by the plant in a matter of days which can lead to K deficiencies.
More information #ad
Apply as needed. Where to use: great for use in soil, hydroponics, or other growing media. Directions for use: add1/16th to 1/8th tsp per 2 Gallon in the reservoir for irrigation. Benefits: potassium is known as the health Element. About: raw potassium contains 50% water soluble potash derived from potassium sulfate. Increases sap and sugar content during later stages of fruit and flower. It helps maintain water and nutrient movement within the plant.
Brand | RAW ELEMENTS #ad |
Manufacturer | NPK Industries #ad |
Height | 6.5 Inches |
Length | 4.25 Inches |
Weight | 0.13 Pounds |
Width | 1 Inches |
Part Number | 717909 |
Model | 717909 |
More information #ad
7. Supreme Growers
#ad
Simply Silica 8oz Concentrate by Supreme Growers Potassium Silicate Liquid Fertilizer Promotes Growth of Strong Plant Tissues Improves Natural Resistance to Environmental Stresses Makes 47 Gallons
#adSupreme Growers #ad - Call our hotline at 614 745-1945 with any questions. Simply silica improves a plant's natural resistance to environmental stresses, including heat and drought. Use simply silica as a soil drench or foliar spray once a week from start of vegetive growth throughout flowering and fruiting.It will not clog drippers. Simply silica is designed to supplement your existent nutrient program, not replace it. The 8oz concentrate of Simply Silica makes 47 gallons of ready to use product.
More information #ad
Simply silica is a liquid fertilizer formulated with potassium Silicate that promotes the growth of strong plant tissues. Silica is a mineral supplied to plants as a nutrient that provides rigidity and structural endurance for crops. Silica increases root growth, boosts yield, and enhances crop quality. It is safe for resevoirs.Brand | Supreme Growers #ad |
Manufacturer | Supreme Growers #ad |
Part Number | 1 |
More information #ad
8. JR Peters
#ad
1.5 lb., JR Peters 51324 Jack's Classic 12-15-30 Tomato Feed
#adJR Peters #ad - High potassium Assures A Good Crop. Produces vibrant green Leaves, Strong Vines And More Fruit. No assembly Required. Optimum combination Of Nutrients For Fruiting Vine Vegetables.More information #ad
Brand | JR Peters #ad |
Manufacturer | JR Peter's #ad |
Height | 5 Inches |
Length | 5 Inches |
Weight | 1.5 Pounds |
Width | 5 Inches |
Part Number | 51324 |
Model | 51324 |
More information #ad
9. Easy Peasy
#ad
Triple Super Phosphate 0-46-0 Easy Peasy Plants 99% pure 5lb
#adEasy Peasy #ad - More economical than any other phosphate. Helps root growth, fruit, and flower formation. Enriched source of Phosphorus. Granular for easy application and feeds plants quickly. Use only 1 cup per 100 square feet at planting time and every 6 weeks.More information #ad
Brand | Easy Peasy #ad |
Manufacturer | Easy Peasy Plants Inc. #ad |
Part Number | PD-32289 |
More information #ad