Introducing Phytoplankton + Phosphate: A Flowering & Root-Boosting Upgrade for Your Plants

Phosphorus is one of the most important nutrients for plant development — yet it’s also one of the most commonly deficient. Slow growth, small roots, weak flowering, and low yields often trace back to a simple problem: not enough available phosphorus in the soil.

To address this, we’re excited to introduce Phytoplankton + Phosphate, a new fortified version of our signature marine phytoplankton soil enhancer. This upgraded formula delivers a powerful boost of available phosphorus while preserving everything people love about the original product: its sustainability, full-spectrum minerals, and organic certification.

If you’re looking to support strong roots, abundant blooms, and vigorous fruiting, this is the targeted solution.

 

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ONLY NOV 21 - DEC 1, 2025 | BUY WITH 20% OFF ON AMAZON.CA OR AMAZON.COM!

 

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Why Phosphorus Is Essential for Plant Growth

Phosphorus plays a central role in nearly every growth-related process inside a plant. Without enough of it, even well-watered and well-lit plants struggle.

Key functions of phosphorus

• Energy transfer (ATP): The fuel behind all metabolic reactions

• Root development: Critical for deep, strong, efficient roots

• Flowering & fruiting: Determines bloom quantity, fruit set, and overall yield

• Genetic integrity: Forms part of DNA and RNA

• Nutrient uptake: Helps plants draw in and use water and minerals

When phosphorus is lacking, plants may become stunted, take longer to mature, and show dark green or even purplish foliage — classic signs of deficiency.

Phytoplankton + Phosphate delivers the targeted nutrient boost needed to correct these issues effectively.

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What Makes Phytoplankton + Phosphate Different

While the original phytoplankton formula contains natural trace levels of phosphorus, Phytoplankton + Phosphate dramatically increases the concentration to 0.24% (2490 ppm) to support more demanding growth cycles.

This improvement gives growers a reliable, organic way to maximize the growth and reproductive phases of their plants — without relying on synthetic fertilizers.

Key benefits of the fortified formula

• Accelerates root formation

• Enhances flowering and bloom density

• Supports fruit set and quality

• Boosts energy production and overall plant vigor

• Helps correct phosphorus deficiencies naturally

• Improves water and nutrient uptake through better root architecture

For gardeners aiming for stronger yields, healthier root crops, or vibrant flowering plants, this formula provides a noticeable difference.

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Perfect for Mid–Late Growth Stages

Unlike the CalMag version—ideal for early development—Phytoplankton + Phosphate is designed for the mid and late stages, when plants demand higher phosphorus levels.

It’s especially effective for:

• Flowering plants

• Fruiting vegetables

• Perennials and ornamentals

• Root vegetables like carrots, beets, and radishes

• Fruit trees and berry bushes

• Hydroponic systems during bloom cycles

This makes it the perfect companion for gardeners transitioning from the vegetative to the reproductive phase of growth.

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Enhanced Nutrient Availability Through Microbial Activity

The combination of marine phytoplankton and added phosphorus creates a unique synergy:

• The organic matter in phytoplankton stimulates beneficial soil microbes.

• These microbes help solubilize phosphorus, making it more bioavailable.

• Plants absorb the nutrient more efficiently and with less waste.

This is a major advantage over conventional phosphate fertilizers, which often become locked in the soil and remain unusable. With Phytoplankton + Phosphate, the nutrient is delivered in a form plants can access immediately and sustainably.

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Still 100% Natural, Sustainable, and OMRI Organic

Phytoplankton + Phosphate stays true to the values behind the MARPHYL product line:

• 100% plant-based

• OMRI Listed for organic use

• Non-toxic, non-GMO, and pet-safe

• Made from up to 80 species of wild marine phytoplankton

• Produced using a patented, eco-friendly reproduction process on Vancouver Island

During production, ocean water is naturally filtered, phytoplankton multiplies under natural sunlight, and the water is returned with the same amount of phytoplankton it originally contained — ensuring zero negative impact on marine ecosystems.

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How and When to Use Phytoplankton + Phosphate

Best timing:
Apply during the mid–late growth stages, when plants form roots, buds, flowers, and fruit.

How to apply:
Dilute at a 1:20 ratio (1 part product to 20 parts water).
Suitable for:

• Soil

• Containers

• Hydroponics

• Greenhouses

• Orchids and indoor plants

Use every 1–2 weeks, depending on plant needs.

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A New Way to Support Strong Roots, Beautiful Flowers, and Higher Yields

Phytoplankton + Phosphate brings targeted, high-performance nutrition to gardeners who want healthier, more productive plants — all while staying aligned with organic, sustainable growing practices.

If you’re aiming for richer blooms, deeper roots, or better harvests, this phosphorus-enriched formula is designed to help your plants reach their full potential.