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Pure Blend® Pro Soil 1-4-5

The Pure Blend® Pro Series includes all natural and organic-based, one part base nutrient formulas optimally blended for desired nutrition in each phase of growth.

Premium, Bloom, Base Nutrient for Soil & Coco

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Pure Blend® Pro Soil 1-4-5 blooming natural and organic-based nutrient is specifically designed for plants cultivated in soil and coco. Containing only natural sources of essential major, secondary, and trace minerals from the land and sea in a 100% soluble form Pure Blend Pro Soil encourages the development of vigorous buds, fruits, and flowers. Cultivating plants in soil requires higher phosphorous levels to offset clay colloidal particles that bind up phosphorous and offset soil microbes that also compete for the phosphorous. Pure Blend Pro Soil 1-4-5 offers this needed phosphorus and provides nutritional value for blooming fruiting and flowering plants.

  • Formulated for coco and soil applications.
  • Suitable for use with all growing mediums and hydroponic methods.
  • 100% plant soluble organics for fast absorption
  • Increases budding, flowering, and fruiting capacity.
  • Essential elements are not derived from harmful chemicals such as urea and ammonia nitrate.
  • Eliminates the plants' exposure (and ultimately the consumer) to toxic heavy metals which can occur as contaminates in chemical fertilizers.
  • The organic components of Pure Blend Pro enhance uptake and utilization of plant nutrients.
  • Amplified Metabolic rate and capacity enables plants to produce fruits and vegetables with more minerals and vitamins.

I love this stuff. my plants started to bud right away using pro bloom 1-4-5 . I used Pure Blend Pro 3-2-4 during the veg stage an my plants never had one leaf turn color die or anything. The plants where super dark green when using pure blend 3-2-4 .. this stuff is super easy to use especially for beginners.. ill continue to use these products for future crops. My advice to anybody would be to spend the extra money and buy the bigger container. Especially the 1-4-5 thanks botanicare for keeping it easy...

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Q: What is the ideal pH?
A: Between 5.5 and 6.2

Q: What should my ppm be during each phase of growth?
A: It is hard to get a true reading using organic nutrients. When using inorganic salts this is a general ppm guideline.

Q: Can I use humic or fulvic acid with Liquid Karma or Pure Blend Pro?
A: No, it is already included in both formulas

Q: What is the ideal water temperature?
A: Between 68° and 75° F, or 20° and 22° C.

Q: Can I use hydrogen peroxide with Pure Blend Pro or Liquid Karma?
A: No. Hydrogen peroxide will kill off the beneficial micro organisms present in Pure Blend Pro and Liquid Karma.

Q: How is Triflex different from other 3 part formulas?
A: Triflex is unique because it contains a vast array of organic additives that are not present in other custom formulas. Triflex is formulated with vitamins, amino acids, liquid compost, seaweed, humic acid, fulvic acid, and tissue culture ingredients.

Q: How are Botanicare's® trays different from others on the market?
A: Our trays are made from extra thick, high impact, virgin ABS plastic with U.V. inhibitors and have a smooth finish.

Q: What does Clearex do?
A: Using Clearex will pull away unwanted salts surrounding your root system and dissolve salts locked up in your grow medium. Clearex has a balance of simple sugars and carbohydrates that will not disturb the osmotic pressure of root hairs protecting against potential harmful pathogens.

Q: When should I use Hydroplex?
A: Hydroplex should be used throughout the fruiting/flowering stage.

Q: Is it safe to use with other bloom stimulants?
A: Bloom stimulants should never be used together because the high PK values of 2 products will cause burns and lockouts in the plants However, multiple bloom stimulants may be used if trying to achieve development using these products individually at different stages of flower development.

Q: Why should I use Pure Blend Pro Soil?
A: If you are growing in soil or clay, colloidal particles bind up phosphorous and the microbes in the soil compete for phosphorus. This formula has double the phosphorus compared to our regular hydro-organic formula. You can also use Pure Blend Pro Soil as a ripening formula in hydro-organics during the last few weeks of flowering.

Q: What is so unique about your coir fiber?
A: Our coir fiber has very low salt content, is aged a minimum of 18 months and has finished its decomposition stage. It has an extremely high air content, has extra long fibers and is double sifted to reduce dust. Cocogro is also buffered to balance out the high potassium naturally present in coir.

Q: How often should I change my reservoir water?
A: You should change your reservoir water every one to two weeks.

Q: Can I leave an aeroponics system running all the time or should I use a cycle timer?
A: Cyclical and continuous feeding are both ideal for aeroponic growing. If you decide to run on a cycle timer, 1 minute on 4 minutes off is ideal.

Q: What is the difference between Pure Blend Original and Pure Blend Pro?
A: Pure Blend Original is an organic compost solution to be used as a supplement with standard plant foods. Pure Blend Pro is a hydro-organic, stand alone plant food to be used as the primary fertilizer. It is beneficial for both hydrogardens and soil gardens.

Q: Should I top off with straight water or with nutrients added?
A: Add 20-25 % strength nutrients to the topped off water.

Use every watering. If using reverse osmosis water, it is recommended to use 1 tsp (5 ml) of Cal-Mag Plus per gallon of water (4 l).

Guaranteed Analysis:

  • Total Nitrogen (N): 1.0%
  • Total Nitrogen (N): 1.0% Water Soluble Nitrogen
  • Available Phosphate (P2O5): 4.0%
  • Soluble Potash (K2O): 5.0%
  • Calcium (Ca): 1.0%
  • Magnesium (Mg): 0.5%
  • Magnesium (Mg): 0.5% Water Soluble Magnesium (Mg)

ALSO CONTAINS NON-PLANT FOOD INGREDIENT: 0.35% Humic acid derived from leonardite.

Derived from: Fish Meal, Composted Seabird Guano, Kelp, Rock Phosphate, Potassium Carbonate, Magnesium Carbonate, Calcium Carbonate.

Pure Blend Pro MSDS


INGREDIENTS: Dolomite, potassium carbonate, fish meal, seaweed extract, magnesium sulfate, humic acid.

  • Physical Form: Liquid
  • Boiling Point: 100°C
  • Vap Press: n/a
  • Vap Density: n/a
  • Sol in Water: Appreciable
  • Evaporation Rate: n/a
  • Appearance: Dark, coffee-colored liquid
  • Odor: Slight organic odor
  • Flash Point: n/a
  • Method Used: n/a
  • LFL: n/a
  • UFL: n/a
  • This product is not combustible. Use any appropriate medium for extinguishing surrounding fires.
  • Stability: Stable.
  • Polymerization: Will not occur.
  • Conditions to Avoid: Water of crystallization from applicable components driven off at approximately 235° Fahrenheit/113° Celsius.
  • Materials to Avoid: Solutions can be corrosive to metals. Avoid strong oxidizing and reducing agents. Hazardous Decomposition Products: None.
  • Wear protective equipment, including rubber boots, rubber gloves, rubber apron and chemical goggles. For small spills, sweep up and dispose of in DOT-approved waste containers. Comply with all applicable governmental regulations on spill reporting, and handling and disposal of waste.
  • If Inhaled: Remove to fresh air.
  • In Case of Eye Contact: Flush eyes with lots of running water.
  • In Case of Skin Contact: Wash skin with lots of soap and water. Remove contaminated clothing and shoes. Get medical attention if irritation persists.
  • If Swallowed: Do not induce vomiting. Consult a physician.
  • Primary Routes of Exposure: Skin or eye contact, swallowed.
  • Eye Contact: May moderately irritate eyes.
  • Skin Contact: May irritate damp skin.
  • Swallowed: Swallowing may result in abdominal discomfort.

CHRONIC EFFECTS OF EXPOSURE: No specific information available.


  • Ventilation: Local mechanical exhaust ventilation at the point of use.
  • Respiratory Protection: NIOSH-Approved dust and vapor respirator or mask in the absence of adequate environmental controls at the point of use.
  • Protective Clothing: Long-sleeved shirt, trousers, safety shoes and gloves.
  • Eye Protection: Chemical goggles.
  • Other Protective Measures: An eyewash and safety shower should be nearby and ready for use.

MATERIAL SAFETY DATA SHEET EMERGENCY ASSISTANCE: For emergency assistance involving PUREBLEND, call American Agritech at (480) 517-0542 or 1-877-753-0404. Product and sales information contact American Agritech at the same numbers.