Organic Phosphorus Supplement (0-12-0)

Fuel flowers. Strengthen roots. Grow clean.

PuurPhos delivers clean, plant-available phosphorus to drive early plant structure, root development, and explosive flowering. Whether you’re building strong starts in veg or stacking blooms in flower, this concentrated organic input gives your grow the push it needs—without unnecessary additives or synthetic salts.

Formulated for purity and solubility, PuurPhos provides a sediment-free phosphorus source that’s safe for hydroponics, drip irrigation, soil, and foliar applications. It’s the clean way to take control of your phosphorus levels at any stage of growth.

✅ Why Growers Love It:

• Supercharges flower development and early plant growth

• Strengthens root systems and enhances nutrient uptake

• Clean and sediment-free – safe for any grow system

• Sustainably crafted from renewable plant-based sources

• Lets you dial in bloom formulas without relying on “bloom boosters” or P-heavy blends

Whether you’re rooting clones, transitioning to flower, or packing on weight during bloom, PuurPhos gives you targeted phosphorus support—without the waste.

🌍 Sustainability at Its Core

We don’t just make clean nutrients—we make them with purpose. PuurPhos is produced with eco-conscious practices, helping reduce waste while supporting regenerative agriculture.

• Plant-based and sustainable

• Minimal environmental impact

• No mined phosphate rock or synthetic ingredients

• Part of a low-waste, eco-conscious nutrient system

🌿 Part of the Complete PuurOrganic Feed Program

PuurPhos is a key part of the Cronk Nutrients PuurOrganic Feed Program and works best when used in combination with:

• PuurNitro – for strong vegetative growth

• PuurK – for bloom density and plant strength

• PuurBalance – for critical micros and nutrient uptake

• PuurCalMag – to prevent deficiencies and maintain healthy structure

Together, these products give growers full control of their NPK ratios at every stage—without the clutter of unnecessary additives.

Feed your flowers. Fuel your roots. Grow clean.

Only with PuurPhos by Cronk Nutrients.

Safe for All Plant Types & Grow Mediums

At Cronk Nutrients, we pride ourselves on creating fertilizers that are compatible with a wide range of plants and growing mediums.

🌎 Compatibility
PuurPhos is compatible with all growing mediums and systems, including:
✔️ Soil
✔️ Soilless mixes (Pro-Mix HP, peat blends)
✔️ Coco coir (Pro-Mix CX, buffered coco)
✔️ Deep Water Culture (DWC)
✔️ Drip irrigation and automated systems
✔️ Living soil and organic no-till beds
✔️ Foliar spray applications

Great for all plant types, including:
🌿 Leafy greens, vegetables, and herbs
🌸 Flowering ornamentals and greenhouse crops
🌱 Potted plants and houseplants
🌾 Turf, lawn, and landscape
🌳 Fruiting trees, vines, and shrubs

Directions

SHAKE BEFORE USE

Dilute the suggested amount as per the chart on the back of the bottle into at least 1 litre of water. Apply once per week or every other watering. Safe to use in conjunction with any other nutrients. Use for the majority of the plant's life.

🌱 How to Use

Hydroponic, Coco, and Soilless Mediums:

• Vegetative / General Feeding: 1.25 mL per L or 5 mL per gallon

• Heavy Bloom / Fruiting Stages: 2.5 mL per L or 10 mL per gallon

Apply once per week or with every feeding.

Soil Grows:

Use 1.25–2.5 mL per L or 5–10 mL per gallon

Feed 1–2 times per week based on stage and plant needs.

Foliar Spray – Fruiting & Leafy Vegetables, Herbs, Grains, Trees, Vines, Ornamentals:

• Use 10–20 mL per 1 L or 38–76 mL per gallon

• Apply every 7–14 days during active growth or bloom

Greenhouse & Potted Plants:

• Use 10–20 mL per 1 L or 38–76 mL per gallon

•Spray to runoff every 7–14 days as needed

🌿 Part of the Complete PuurOrganic Feed Program

PuurPhos is a key part of the Cronk Nutrients PuurOrganic Feed Program and works best when used in combination with:

• PuurNitro – for strong vegetative growth

• PuurK – for flower density and plant strength

• PuurBalance – for essential micronutrients and nutrient uptake

• PuurCalMag – to prevent deficiencies and maintain healthy structure

Together, they give growers full control of their NPK ratios at every stage, without relying on bloated blends or complicated additives.

Conversions: 1 Teaspoon = 5mL | 1 Tablespoon = 15 mL | 1 Ounce = 30mL | 1 Cup = 240 mL

Guaranteed Analysis

0-12-0

Available Phosphate (P₂O₅): 12.0%

Derived From: Orthophosphoric Acid Extract of Milled Seed

Safety Data Sheet

CLICK HERE for a copy of Cronk Nutrients PuurPhos 0-12-0 SDS

Shipping

Cronk Nutrients' online store ships all over Canada and the United States from Canada & the United States. If your country isn't a standard option, please contact us and we can get a shipping quote. We offer free shipping on any order in North America over $125* We ship via UPS, Purolator, FedEx, Canada Post or from our inventory at either Amazon.ca or Amazon.com. 

All orders are processed within 1 business day. 

Your order will be marked as fulfilled from the moment it’s been boxed up in the warehouse awaiting for the courier to pick it up. Once your order has been fulfilled, you will receive an email with your tracking number. Your tracking details will appear once the courier has processed the package.  CLICK HERE for more information about our shipping policy.