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Green Planet Nutrients CA flag

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Green Planet Nutrients GP3 Autpot Kit

Vegetative Stage Flowering Stage Indoor Outdoor Regular Watering Watering Systems Hydroponics Coco Coir Safe Soil Soilless
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Description

GreenPlanet Nutrients 3-Part GP3 Starter Kit for Autopot Systems is a seed-to-harvest nutrient kit for AutoPot watering systems, built for complete base nutrition with key additives. It’s a liquid fertilizer starter kit centered on a 3-part base nutrient system for growers who want a clean, simple nutrient program.

The foundation is GP3, a three separate formulas: grow, micro, and bloom base nutrient lineup that delivers primary, secondary, and micronutrients in dedicated parts. This structure is designed to give AutoPot growers increased flexibility, control, and reliability while keeping nutrition organized across both the vegetative stage and the flowering stage. A standout differentiator is that GP3 is described as containing no synthetic dyes or carbonates, keeping the formula focus on a straightforward nutrient profile rather than unnecessary additives.

This nutrient kit for AutoPot watering systems includes purpose-built support for the bloom cycle with PK Spike, a flowering supplement derived from multiple, highly soluble sources of phosphorus and potassium. GreenPlanet positions this flowering supplement to encourage budding and to help facilitate bulking and ripening in flowering plants, so the bloom-stage role stays clear: targeted phosphorus and potassium support when flowers are developing and finishing.

For early growth and overall plant performance, the kit features Vitathrive Propagation Solution, an additive blend of vitamins and minerals formulated for the vegetative stage of plant growth. It’s designed to reinforce plant health and support essential functions, making it a practical fit when you want vegetative-stage support without adding complexity to your base nutrition. To complement late-stage quality, the kit also includes Rezin, a terpene enhancer formulated to enhance the natural processes within flowering plants that produce flavour and aroma, keeping the focus on the plant’s own aroma and flavour development.

System suitability is broad and clearly stated. GreenPlanet Nutrients 3-Part GP3 Starter Kit for Autopot Systems is positioned for hydroponics, drain to waste, recirculating systems, and soil/soilless gardens, while being specifically tailored to AutoPot watering systems. This is a good fit for experienced growers looking for a ready-to-use nutrient kit that covers seed-to-harvest nutrition with a 3-part base nutrient system, a flowering supplement for budding and bulking, and stage-targeted support for vegetative health and bloom finish.

How To Use

How to Use Green Planet Nutrients GP3 Autpot Kit

Step-by-step mixing and feeding instructions for Green Planet Nutrients GP3 Autpot Kit.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Green Planet Nutrients GP3 Autpot Kit well before every use. Using the feeding schedule below, measure the recommended dose and add it directly to the water while stirring. Allow the solution to mix fully before adding any other fertilizers, additives, or supplements.

Always add nutrients to water — not the other way around. Mix thoroughly between products to ensure an even, stable nutrient solution.

Week-by-week feeding schedule

Vegetative stage — Micro

  • Week 1: mix 0.5 ml per litre of water or nutrient solution.
  • Week 2: mix 1.0 ml per litre of water or nutrient solution.
  • Week 3: mix 1.25 ml per litre of water or nutrient solution.

Flowering stage — Micro

  • Week 1: mix 1.5 ml per litre of water or nutrient solution.
  • Week 2: mix 1.0 ml per litre of water or nutrient solution.
  • Week 3: mix 1.0 ml per litre of water or nutrient solution.
  • Week 4: mix 1.0 ml per litre of water or nutrient solution.
  • Week 5: mix 1.0 ml per litre of water or nutrient solution.
  • Week 6: mix 1.0 ml per litre of water or nutrient solution.
  • Week 7: mix 0.75 ml per litre of water or nutrient solution.
  • Week 8: do not use this product during this week of flowering.

Vegetative stage — Grow

  • Week 1: mix 0.25 ml per litre of water or nutrient solution.
  • Week 2: mix 1.25 ml per litre of water or nutrient solution.
  • Week 3: mix 1.25 ml per litre of water or nutrient solution.

Flowering stage — Grow

  • Week 1: mix 1.5 ml per litre of water or nutrient solution.
  • Week 2: mix 0.25 ml per litre of water or nutrient solution.
  • Week 3: mix 0.25 ml per litre of water or nutrient solution.
  • Week 4: mix 0.25 ml per litre of water or nutrient solution.
  • Week 5: mix 0.25 ml per litre of water or nutrient solution.
  • Week 6: do not use this product during this week of flowering.
  • Week 7: do not use this product during this week of flowering.
  • Week 8: do not use this product during this week of flowering.

Vegetative stage — Bloom

  • Week 1: mix 0.25 ml per litre of water or nutrient solution.
  • Week 2: mix 0.25 ml per litre of water or nutrient solution.
  • Week 3: mix 1.0 ml per litre of water or nutrient solution.

Flowering stage — Bloom

  • Week 1: mix 1.5 ml per litre of water or nutrient solution.
  • Week 2: mix 1.5 ml per litre of water or nutrient solution.
  • Week 3: mix 1.5 ml per litre of water or nutrient solution.
  • Week 4: mix 1.5 ml per litre of water or nutrient solution.
  • Week 5: mix 1.5 ml per litre of water or nutrient solution.
  • Week 6: mix 2.0 ml per litre of water or nutrient solution.
  • Week 7: mix 2.0 ml per litre of water or nutrient solution.
  • Week 8: do not use this product during this week of flowering.

Vegetative stage — Vitathrive

  • Week 1: mix 1.0 ml per litre of water or nutrient solution.
  • Week 2: mix 2.0 ml per litre of water or nutrient solution.
  • Week 3: mix 2.0 ml per litre of water or nutrient solution.

Flowering stage — Vitathrive

  • Week 1: do not use this product during this week of flowering.
  • Week 2: do not use this product during this week of flowering.
  • Week 3: mix 2.0 ml per litre of water or nutrient solution.
  • Week 4: mix 2.0 ml per litre of water or nutrient solution.
  • Week 5: mix 2.0 ml per litre of water or nutrient solution.
  • Week 6: mix 2.0 ml per litre of water or nutrient solution.
  • Week 7: mix 2.0 ml per litre of water or nutrient solution.
  • Week 8: do not use this product during this week of flowering.

Vegetative stage — Rezin

  • Week 1: do not use this product during this week of vegetative growth.
  • Week 2: do not use this product during this week of vegetative growth.
  • Week 3: mix 2.0 ml per litre of water or nutrient solution.

Flowering stage — Rezin

  • Week 1: mix 2.0 ml per litre of water or nutrient solution.
  • Week 2: mix 2.0 ml per litre of water or nutrient solution.
  • Week 3: mix 2.0 ml per litre of water or nutrient solution.
  • Week 4: mix 2.0 ml per litre of water or nutrient solution.
  • Week 5: mix 2.0 ml per litre of water or nutrient solution.
  • Week 6: mix 2.0 ml per litre of water or nutrient solution.
  • Week 7: mix 2.0 ml per litre of water or nutrient solution.
  • Week 8: mix 2.0 ml per litre of water or nutrient solution.

Vegetative stage — PK Spike

  • Week 1: do not use this product during this week of vegetative growth.
  • Week 2: do not use this product during this week of vegetative growth.
  • Week 3: do not use this product during this week of vegetative growth.

Flowering stage — PK Spike

  • Week 1: do not use this product during this week of flowering.
  • Week 2: do not use this product during this week of flowering.
  • Week 3: mix 1.0 ml per litre of water or nutrient solution.
  • Week 4: mix 1.0 ml per litre of water or nutrient solution.
  • Week 5: mix 1.0 ml per litre of water or nutrient solution.
  • Week 6: mix 1.0 ml per litre of water or nutrient solution.
  • Week 7: mix 1.0 ml per litre of water or nutrient solution.
  • Week 8: do not use this product during this week of flowering.

Tips for best results

  • Maintain pH and EC/ppm within the range recommended for your growing medium and crop.
  • Use fresh nutrient solution whenever possible and avoid leaving mixed solution stagnant for long periods.
  • Store nutrients in a cool, dark place away from direct sunlight and extreme temperatures.
  • Keep bottles tightly sealed when not in use to reduce air exposure and preserve product quality.
  • Use clean measuring tools and regularly rinse or clean your reservoir, lines, and irrigation equipment.

Common mistakes to avoid

  • Do not mix different nutrients or additives together in concentrated form before adding them to water.
  • Do not exceed the recommended dosage unless you are following a tested, crop-specific feeding plan.
  • Do not skip pH or EC/ppm checks when growing in hydroponic or soilless systems.
  • Do not allow the nutrient solution to freeze or overheat, as this can damage the formulation.
  • Do not ignore the directions on the product label for your specific crop, growth stage, and system type.

Warnings & Safety

Warning – Important Safety Information

This product may cause mild skin irritation and eye irritation. Avoid unnecessary contact with skin, eyes, and clothing. Use only as directed.

General safety precautions

Read and follow all instructions on the product label and any accompanying documentation before use. Keep out of reach of children and pets. Do not ingest. Avoid breathing vapours, mist, or dust that may be generated during handling or use.

Wear appropriate personal protective equipment (PPE), such as protective gloves, long sleeves, long pants and closed-toe footwear. When there is a risk of splashing or airborne particles, use safety glasses or other suitable eye and face protection.

First aid – skin contact

IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with clean water for several minutes, then wash with mild soap and water. If irritation or redness develops and persists, seek medical attention. Wash contaminated clothing before reuse.

First aid – eye contact

IF IN EYES: Rinse cautiously with clean water for several minutes, keeping eyelids open. Remove contact lenses if present and easy to do. Continue rinsing. If irritation persists, obtain medical advice.

First aid – ingestion and inhalation

IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.

IF INHALED: Move the person to fresh air and keep them comfortable for breathing. If coughing, breathing difficulty, dizziness or other symptoms occur, seek medical assistance.

Storage and handling

Store this product in its original closed container, in a cool, dry and well-ventilated area. Protect from extreme temperatures and direct sunlight. Keep container tightly sealed when not in use.

Avoid release to drains, natural waterways or outdoor soil. Dispose of unused product and empty containers in accordance with local regulations and the directions on the label.

Important: If medical advice is needed, keep the product label or container available. Always follow the specific instructions and safety recommendations provided by the manufacturer. This safety notice is intended as general guidance and does not replace official label directions or documentation.

Frequently purchased together

View full details
Nutrient Feed Chart

Vegetative — Week 1

  1. Micro
    —
  2. Grow
    —
  3. Bloom
    —
  4. Vitathrive
    —
  5. Rezin
    —
  6. PK Spike
    —

Flowering — Week 1

  1. Micro
    —
  2. Grow
    —
  3. Bloom
    —
  4. Vitathrive
    —
  5. Rezin
    —
  6. PK Spike
    —

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