Phosphorus (Flower)


The P in N-P-K is well known for giving a much-needed boost during bloom and fruit development, but it’s also essential nutrition throughout the life of your plants. RAW Phosphorus (9-61-0) is formulated for direct uptake by developing roots, which can add up to a 20% increase in root development. Use these highly concentrated supplements to boost your existing nutrition plan, and see how they can take care of deficiencies that most indoor gardeners face!

• Pure formulation with the highest percentage of active ingredients
• Less waste, more direct nutrition
• Easy-to-handle pouches
• 100% soluble—no fillers!
• Maximum control, precise input, amazing results
• Huge collection of recipes for nutritional intervention for plant deficiencies

Available in 2-oz (makes 200 gallons) and 8-oz sizes.

Recipe Book (PDF)
Feeding Schedule (PDF)

Add 1/16 to 1/8 tsp per gallon in reservoir for irrigation. Apply as needed.

Grower’s Tip:
Phosphorus is temperature sensitive. Optimal uptake occurs between 68-75˚F, and it’s important that your solution never drops below 58˚F.