GreenPlanet PK Spike (0-14-15)
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GreenPlanet PK Spike (0-14-15)
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GreenPlanet PK Spike (0-14-15)

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GreenPlanet NutrientsSKU: GPPK01
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GreenPlanet PK Spike (0-14-15)

GreenPlanet PK Spike (0-14-15) is a highly concentrated liquid flowering additive formulated with soluble sources of phosphorus and potassium. Designed to complement an established nutrient program during bloom, PK Spike delivers an extra supply of these two essential macronutrients when flowering plants demand more of them.

With an NPK analysis of 0-14-15, PK Spike contains 14% available phosphate and 15% soluble potash. Its concentrated formula is designed for periodic use during flowering and can be incorporated into hydroponic, drain-to-waste, recirculating, soil, and soilless growing programs.

Key Features

  • NPK analysis: 0-14-15
  • Concentrated liquid flowering additive
  • Contains 14% available phosphate
  • Contains 15% soluble potash
  • Formulated with highly soluble phosphorus and potassium sources
  • Designed specifically for the flowering stage
  • Complements regular base nutrient programs
  • Supports flower formation and maturation
  • Helps supply additional phosphorus and potassium during bloom
  • Suitable for hydroponic systems
  • Suitable for drain-to-waste systems
  • Suitable for recirculating systems
  • Compatible with soil and soilless growing media
  • Recommended application rate of 0.5–1 mL/L (2–4 mL/gal)
  • Applied periodically rather than at every feeding

Concentrated Phosphorus and Potassium for Flowering

GreenPlanet PK Spike provides flowering plants with concentrated phosphorus and potassium during the bloom stage.

Phosphorus contributes to energy transfer, photosynthesis, and normal flower development. Potassium supports water regulation, nutrient movement, and many other essential plant functions.

By supplying both elements in a highly soluble form, PK Spike can be incorporated into an existing feeding program when plants require additional phosphorus and potassium during flowering.

A High-Strength 0-14-15 Bloom Additive

With 14% available phosphate and 15% soluble potash, PK Spike is one of GreenPlanet’s most concentrated liquid phosphorus-and-potassium flowering additives.

Because the product is highly concentrated, you need only a small amount. This makes accurate measurement especially important when adding PK Spike to an established nutrient solution.

It is designed as an additive, not a replacement for base nutrients, allowing growers to supplement their existing feeding program without changing their primary fertilizer system.

Designed for Strategic Use During Bloom

Unlike flowering additives that are used at every watering, PK Spike is intended for periodic application during the flowering cycle.

GreenPlanet recommends beginning applications during the second week of flowering and applying PK Spike every two weeks until one week before flushing.

This targeted schedule provides additional phosphorus and potassium at key points during flower development while allowing growers to maintain their regular nutrient program between applications.

Simple Application

GreenPlanet recommends using PK Spike at:

  • 0.5–1 mL/L
  • Approximately 2–4 mL/gal

Add PK Spike directly to your nutrient reservoir and mix thoroughly.

Begin during the second week of flowering, then apply every two weeks until one week before flushing.

At the recommended concentration, GreenPlanet notes that PK Spike can increase nutrient strength by up to approximately 250 PPM. Take this additional concentration into account when adjusting your overall nutrient solution to avoid excessive feeding.

Suitable for Multiple Growing Systems

GreenPlanet PK Spike can be incorporated into several cultivation methods, including:

  • Hydroponic systems
  • Drain-to-waste systems
  • Recirculating systems
  • Soil
  • Soilless growing media

This compatibility makes PK Spike easy to incorporate into a wide variety of flowering programs and cultivation setups.

A Focused PK Supplement for Flowering

For growers looking to add concentrated phosphorus and potassium to an existing bloom program, GreenPlanet PK Spike (0-14-15) offers a straightforward liquid solution.

Its highly soluble 0-14-15 formula provides a strong source of phosphorus and potassium while letting growers keep using their preferred base nutrients. With its low application rate and periodic feeding schedule, PK Spike provides a simple way to supplement flowering nutrition without unnecessarily complicating the overall nutrient program.

Order Confirmation

As soon as your order is placed, an order confirmation will be sent to the email address you used to place the order. This means we have received your order and payment. Payment is captured as soon as the order is placed. In rare cases, if the product is on backorder or unavailable, we will contact you and ask if you would like to wait for the product to become available, switch your product, or have your payment refunded. If the item is available for shipment we will submit the order for processing and arrange shipment. Please see current estimated lead times on the product page for each product.

Shipping

Most products ship within 1 to 3 business days. Some items might take longer as they are delivered from our warehouse in Vancouver. As soon as we receive your tracking number, we will send it over to you.

Free Shipping

Free shipping is available across all provinces throughout Canada for orders over 149$.

International Orders

Nearly all of our brands can be shipped internationally using FedEx, UPS, USPS, DHL or other couriers. Most quotes can be obtained at checkout. If not, you can email us at info@canadagrowsupplies.com for some more information on shipment. Items shipped internationally from the USA may have VAT, duties, taxes, and/or local charges due at delivery. These charges are the responsibility of the customer and not Canada Grow Supplies Inc.

Cancellations

If you need to cancel your order, we recommend reaching out to us ASAP. We charge a 2.9% (credit card), 3.5% (PayPal), 4.0% (PayPal International), 4.1% (American Express), or 6.5% (Shop Pay Installments or Sezzle) order cancellation fee after the order was received. We can accommodate most requests, but due to the different time zones and schedules that our warehouses ship from, sometimes the cancellation request may not reach the warehouse in time before the product ships. Once the item has been arranged to ship or has shipped, the package will be treated like a 'return' and is subject to ship-back fees and restocking fees. If you purchased 'Route Package Protection', this can not be refunded after the order has shipped.

Returns

In order to make sure you are completely satisfied, we can send you a return label within 14 days of receiving the order. This is to guarantee that you are happy with the product. Some products might require a 10-25% restocking fee. Please visit our full return policy.

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