About the Product
Green House Feeding Mineral Line Booster PK+ (0-30-27) – 500g (1.1lb) is a concentrated mineral supplement designed to provide additional phosphorus and potassium during flowering.
With an NPK of 0-30-27, Booster PK+ delivers high levels of phosphorus and potassium without adding nitrogen. It is designed to complement a base nutrient program when flowering plants have increased PK requirements.
The highly soluble powdered formula is easy to incorporate into nutrient solutions and can also be prepared as a concentrated stock solution. The compact 500g size is convenient for smaller gardens, testing a feeding program, or growers who do not require bulk quantities.
Mixing & Solubility
- NPK: 0-30-27
- Maximum solubility: 2.0 lb/gal (250 g/L)
- Recommended stock concentration: 4 oz/gal (30 g/L)
Features & Benefits
- Concentrated phosphorus and potassium supplement
- Formulated for use during the flowering stage
- 0-30-27 NPK with no added nitrogen
- Designed to complement a complete base nutrient program
- Highly soluble mineral powder for convenient mixing
- Suitable for preparing concentrated stock solutions
- Convenient 500g (1.1lb) package
How to Use
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Questions & Answers
Ratings & Reviews
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About the Brand
Green House Feeding (GHF) is a globally recognized plant nutrition brand developed by the team behind Green House Seed Co. Built around the philosophy of “Keep It Simple,” GHF provides highly concentrated, water-soluble powdered nutrients that deliver professional results with straightforward feeding programs. Designed for growers of all experience levels, Green House Feeding products offer reliable performance across soil, coco, and hydroponic growing systems.
Why Choose Green House Feeding?
- Simple Feeding Programs: Streamlined nutrient schedules reduce complexity while delivering optimal plant nutrition throughout the entire grow cycle.
- Highly Concentrated Formulas: Water-soluble powders require only small amounts per feeding, making them cost-effective and easy to transport.
- Long Shelf Life: Powdered nutrients remain stable over time without separating or settling, ensuring consistent quality and performance.
- Fast Dissolving: The formulas dissolve quickly in water, making them suitable for hand watering, hydroponic systems, and automated irrigation.
- Premium Quality Ingredients: Manufactured using high-quality raw materials to provide consistent nutrient availability and dependable results.
Green House Feeding Product Lines
- Mineral Nutrients: Complete powdered formulas such as Grow, Hybrids, Short Flowering, and Long Flowering, designed to match different plant growth stages and flowering times.
- Bio Nutrients: Organic products including BioGrow and BioBloom that support healthy plant development while promoting beneficial microbial activity in the growing medium.
- Specialty Additives: Products like Booster PK+, Calcium, and CalMag help optimize flowering, correct nutrient deficiencies, and support overall plant health.
Suitable Growing Systems
Green House Feeding nutrients are compatible with soil, coco coir, hydroponic systems, and soilless growing media, making them suitable for hobby growers, enthusiasts, and commercial cultivators alike.
Pro Tip
Because Green House Feeding nutrients are highly concentrated, always measure them with a digital scale for accurate dosing. Dissolve the powder completely in a small amount of water before adding it to your nutrient reservoir to ensure even mixing and maximum nutrient availability.