Bionova PK 13-14 Bloom Stimulator

Price range: $8.95 through $304.95

Bionova PK 13-14 is the original and most concentrated phosphorus and potassium bloom booster. Made from food-grade minerals, PK 13-14 is plant available within hours, significantly increasing yield quantity and quality with higher dry weight. Perfect 13-14 ratio for maximum flowering response. Tests clean for heavy metals. Use during flowering phase at 0.5-2ml per gallon.

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Bionova PK 13-14 is the original and most concentrated phosphorus and potassium bloom booster on the market. Made from the highest quality food-grade minerals, PK 13-14 is plant available within hours, giving you optimal control during the critical flowering phase. Phosphorus activates blooming and potassium creates exuberant flowering, resulting in significantly increased yield quantity and quality with higher dry weight of harvested product.

NPK Ratio: 0-13-14 (13% Phosphorus, 14% Potassium) – Use during flowering phase at 0.5-2ml per gallon.

Why Bionova PK 13-14 Is the Best Bloom Booster

The Original PK 13-14 Formula

Bionova is the inventor of the original PK 13-14 composition:

Original balanced combination of phosphorus and potassium
Higher concentration compared to most competing products
Perfect 13-14 ratio for maximum flowering response
Industry standard that others try to copy
Proven formula trusted by growers worldwide

Food-Grade Minerals for Clean Results

Made from the highest quality food-grade minerals:

Tests clean for heavy metals
Safe for all crops including vegetables and herbs
Directly absorbable by the root system
Plant available within hours
No harmful additives or fillers

Significantly Increases Yield Quantity and Quality

PK 13-14 delivers measurable results:

Significantly increases yield quantity and quality
Higher dry weight of harvested product
Larger fruits, vegetables, and flowers
Enhanced flavor and aroma profiles
Denser, heavier produce

Fast-Acting and Plant Available

Unlike slow-release bloom boosters, PK 13-14 works immediately:

Plant available within hours
Directly absorbable by the root system
Optimal control during critical flowering phase
Immediate response to application
No waiting for results

Suitable for All Growing Methods

Bionova PK 13-14 works in all cultivation systems:

✅ Soil (indoor and outdoor)
✅ Coco coir
✅ Hydroponic systems (DWC, NFT, drip)
✅ Aeroponics
✅ All substrate types

What Makes Bionova PK 13-14 So Effective?

Potassium (14%)

Potassium is associated with the movement of water, nutrients, and carbohydrates in plant tissue:

Involved with enzyme activation within the plant
Affects protein, starch, and ATP production
Regulates the rate of photosynthesis
Controls stomata (tiny pores in leaves that “breathe” CO2)
When potassium moves into cells around stomata, cells collect water and swell, allowing pores to open and CO2 to enter
When water supplies are less than optimal, potassium recedes, closing pores to prevent water loss and minimize drought stress
Catalyst in the manufacture and delivery of starches and sugars needed for blossoms to fully form

Phosphorus (13%)

Phosphorus is like a power station within plants:

Helps plants convert other nutrients into usable building blocks
Plays a role in every process that involves energy transfer
Essential for growing roots and forming flowers and fruit
Initiates transformation of nitrogen into amino acids
Triggers conversion of sunlight into carbohydrates
Most needed during transitional periods (end of veg, beginning of flowering)
Essential for reproduction, growth, and development

Essential Minerals

Certain minerals like phosphorus and magnesium are essential for plant life cycle:

Support plants to complete their life cycle and produce seeds
Absorbed by roots as mineral ions dissolved in soil and water
Essential for reproduction, growth, and development
Food-grade quality ensures clean final product

Perfect For All Crops

Bionova PK 13-14 works for all flowering and fruiting plants:

Tomatoes, peppers, cucumbers
Squash, melons, beans
Herbs (basil, cilantro, parsley)
Flowers (roses, sunflowers, marigolds)
Berries (strawberries, blueberries)
All fruiting and flowering crops

How to Use Bionova PK 13-14

Recommended Dosage: 0.5-2ml per gallon

Shake bottle well before use
Add 0.5-2ml of PK 13-14 per gallon to your nutrient solution
Mix thoroughly with base nutrients
Use this solution every time you irrigate during the flower phase
PK 13-14 should be used in conjunction with Bionova base nutrients

Application Schedule:

Early Flowering (Weeks 1-2): 0.5ml per gallon
Mid Flowering (Weeks 3-5): 1-2ml per gallon (peak bloom)
Late Flowering (Weeks 6-7): 1ml per gallon
Final Week: Flush with plain water (no PK 13-14)

Bionova PK 13-14 Feeding Schedule

Download the complete feed charts for your growing method:

📄 Bionova Feed Chart for Soil Cultivation

📄 Bionova Feed Chart for Coco Cultivation

📄 Bionova Feed Chart for Hydro Cultivation

Pro Tips for Using Bionova PK 13-14

Tip 1: Start Low and Increase Gradually Begin with 0.5ml per gallon during early flowering and gradually increase to 1-2ml per gallon during peak bloom. This prevents nutrient burn and allows plants to adjust.

Tip 2: Use Every Feeding During Flowering PK 13-14 should be used every time you irrigate during the flower phase for consistent results. Don’t skip feedings.

Tip 3: Cure Deficiencies with Foliar Spray Deficiencies often occur due to poor quality substrates or abnormal pH values. To cure deficient plants, apply a solution of PK 13-14 at 1-2ml per gallon by irrigation or foliar spray.

Tip 4: Combine with Bionova Base Nutrients PK 13-14 should be used in conjunction with Bionova Soil Supermix, Nutri Forte A+B, or Coco Forte A+B for best results.

Tip 5: Monitor EC/PPM Levels PK 13-14 is highly concentrated. Monitor your EC/PPM levels to avoid overfeeding, especially when using 2ml per gallon during peak bloom.

Tip 6: Flush During Final Week Stop using PK 13-14 during the final week before harvest and flush with plain water for clean-tasting produce.

Tip 7: Use with X-cel and The Missing Link For maximum flowering results, combine PK 13-14 with Bionova X-cel (bloom stimulator) and The Missing Link (nutrient uptake enhancer).

Bionova PK 13-14 Product Specifications

NPK Ratio: 0-13-14 (13% Phosphorus, 14% Potassium)
Dosage: 0.5-2ml per gallon during flowering phase
Usage Period: Entire flowering phase (stop during final week flush)
Food-Grade Minerals: Tests clean for heavy metals
Plant Availability: Available within hours
Compatible With: All fertilizers and substrate types
Application: Irrigation or foliar spray

Guaranteed Analysis:

0-13-14 NPK
13% Phosphorus (P2O5)
14% Potassium (K2O)
Essential minerals for flowering

Bionova PK 13-14 Sizes and Pricing

250ml Bottle – $19.95

Perfect for small gardens (1-4 plants)
Lasts 125-500 gallons of nutrient solution
First-time users

1 Liter Bottle – $59.95

Medium gardens (4-12 plants)
Lasts 500-2,000 gallons of nutrient solution
Regular growers

5 Liter Bottle – $98.95

Large gardens (12-30 plants)
Lasts 2,500-10,000 gallons of nutrient solution
Bulk savings

20 Liter Bottle – $329.95

Commercial operations
Lasts 10,000-40,000 gallons of nutrient solution
Maximum savings

Free shipping on all orders over $200!

Why Phosphorus and Potassium Are Critical During Flowering

Phosphorus: The Energy Transfer Element

Phosphorus is like a power station within plants, playing a role in every process that involves energy transfer from one function to another. These energy transfers include growing roots or forming flowers and fruit. Phosphorus initiates the transformation of nitrogen into amino acids and it is the trigger that converts sunlight into carbohydrates. This element is most in need during transitional periods in plant growth, such as the end of vegetative growth and the beginning of the flowering stage.

Potassium: The Flowering Catalyst

When plants begin to flower, potassium is a catalyst in the manufacture and delivery of the starches and sugars needed for the blossoms to fully form. Potassium also regulates water movement, controls stomata function, and minimizes drought stress. Without adequate potassium, plants cannot properly regulate photosynthesis or produce the energy needed for heavy flowering and fruiting.

Frequently Asked Questions About Bionova PK 13-14

Q: When should I start using PK 13-14? A: Start using PK 13-14 at the beginning of the flowering phase. Begin with 0.5ml per gallon and gradually increase to 1-2ml per gallon during peak bloom.

Q: Can I use PK 13-14 during vegetative growth? A: No. PK 13-14 is designed for the flowering phase only. Using it during veg can cause premature flowering and stunted growth.

Q: How is Bionova PK 13-14 different from other bloom boosters? A: Bionova is the inventor of the original PK 13-14 composition. Our formula has a higher concentration compared to most competing products and is made from food-grade minerals that test clean for heavy metals.

Q: Can I use PK 13-14 as a foliar spray? A: Yes. To cure deficient plants, apply a solution of PK 13-14 at 1-2ml per gallon by irrigation or foliar spray.

Q: Will PK 13-14 test clean for heavy metals? A: Yes. Bionova PK 13-14 is made from food-grade minerals and tests clean for heavy metals, making it safe for all crops including vegetables and herbs.

Q: Can I use PK 13-14 with other nutrient brands? A: Yes. PK 13-14 is compatible with all fertilizers and substrate types. However, for best results, use with Bionova base nutrients.

Q: What crops benefit from PK 13-14? A: All flowering and fruiting crops benefit from PK 13-14 including tomatoes, peppers, cucumbers, herbs, flowers, berries, and all fruiting plants.

Q: When should I stop using PK 13-14? A: Stop using PK 13-14 during the final week before harvest and flush with plain water for clean-tasting produce.