GREEN PLANET PK SPIKE

Quick Answer

GreenPlanet PK Spike is a concentrated 0-14-15 phosphorus and potassium supplement for flowering plants. Add 0.5–1mL per litre to the reservoir from bloom week 2, repeat every two weeks, and stop one week before flushing. Monitor EC/PPM and adjust the base nutrient strength as needed.

Product Description

GreenPlanet PK Spike supplies highly soluble phosphorus and potassium during the flowering cycle. Its 0-14-15 analysis makes it a targeted supplement rather than a complete base nutrient. Use it alongside an appropriate feeding program in hydroponic, recirculating, drain-to-waste, coco, soil or soilless growing systems.

Key Features

• Concentrated 0-14-15 phosphorus and potassium formula.
• Official application rate of 0.5–1mL/L.
• Designed for periodic use during the flowering cycle.
• Highly water-soluble liquid suitable for reservoir mixing.
• Compatible with hydroponic, recirculating, drain-to-waste, coco, soil and soilless systems.
• At the recommended rate, the product can add up to 250 PPM; monitor nutrient strength accordingly.

Available Sizes and Variants

• 1L
• 5L
• 20L

Select the required size from the product options. Availability and pricing are shown for the selected variant.

Specifications

Package Contents

One sealed container of GreenPlanet PK Spike in the selected 1L, 5L or 20L size.

Directions for Use

1. Prepare the reservoir and mix the base nutrients as directed by their current labels or feed program.
2. Measure 0.5–1mL of PK Spike per litre of water.
3. Add PK Spike to the reservoir separately and mix thoroughly. Do not combine concentrated PK Spike directly with other concentrated fertilisers.
4. Begin in bloom week 2, repeat every two weeks, and stop one week before the final flush.
5. Monitor EC/PPM and adjust the overall nutrient strength because the recommended rate can add up to 250 PPM.

Care, Storage and Safety

• Keep the container tightly closed in a cool, dry, well-ventilated place between 0°C and 35°C.
• Protect from direct sunlight, heat and ignition sources.
• Keep out of reach of children and avoid release to the environment.
• Avoid skin and eye contact. Wear suitable gloves and eye protection when handling concentrates.
• If the product contacts eyes, rinse cautiously with water for several minutes. Follow the current label and Safety Data Sheet.

Buyer FAQs

What is GreenPlanet PK Spike?

It is a concentrated 0-14-15 phosphorus and potassium supplement intended for periodic use during flowering.

Is PK Spike a complete base nutrient?

No. It is a flowering supplement and should be used with a suitable base nutrient program.

How much PK Spike should I use?

Use 0.5–1mL per litre of reservoir water.

When should I start using it?

Start in the second week of bloom.

How often is it applied?

Apply every two weeks during the stated flowering period.

When should I stop using it?

Stop one week before the final flush.

Will it affect EC or PPM?

Yes. The recommended rate can add up to 250 PPM, so monitor the reservoir and adjust the total nutrient strength.

Can I use it in coco or hydroponics?

Yes. It is suitable for coco, hydroponic, recirculating, drain-to-waste, soil and soilless systems.

Can I mix the concentrates together?

No. Add concentrates to water separately and mix between additions to reduce the risk of precipitation or insoluble material.

Which sizes are available here?

TG Hydroponics lists 1L, 5L and 20L variants on this product page.