Powder A

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Key Benefits:

  • Delivers a clean, highly soluble source of nitrogen for vigorous vegetative growth
  • Provides calcium to strengthen cell walls and support healthy plant structure
  • Maintains stable pH and consistent nutrient uptake across all media
  • Supports a smooth transition into early and mid-flower through Week 7
  • Mixes clear with no residue, ensuring reliable flow in all fertigation systems

Key Attributes:

  • Category: Nitrogen and calcium powder
  • System Use: Fertigation, batch tanks, stock tanks
  • Purpose: Provide foundational N and Ca for vegetative growth and early-to-mid flowering
  • Base Chemistry: Calcium nitrate
  • Use Rate: 2–4 g (0.071–0.141 oz) per 4 L (1 gallon)
  • Stock Tank Dilution: 2 lb (907.19 g) per 4 L (1 gallon)
  • Powder A + D Stock Tank Dilution: 25 lb Powder A + 500 g Powder D + 12.5 gallons water
    • When combining, mix Powder A + Powder D together dry before adding to water for proper dissolution
  • Use Window: Vegetative phase through Flower Week 7 (depending on plant cycle duration)
  • Compatibility: Coco, hydro, soil; formulated to run clean with Powder B, C, and D

Powder A is the foundation of a complete nutrient regimen, providing plants with the essential nitrogen and calcium they need for strong, healthy vegetative growth. Nitrogen is a primary driver of chlorophyll production, ensuring lush, vibrant foliage and robust structural development. Calcium, on the other hand, plays a critical role in cell wall integrity, enzyme activity, and nutrient uptake, making it indispensable for resilient plant growth.

By keeping nitrogen and calcium in a standalone formula, Powder A allows growers to tailor their feeding regimen with precision. As flowering progresses and nitrogen demands decrease, growers can easily taper off Powder A while maintaining the micronutrient profile with Powder D. This flexibility ensures optimal growth without excessive nitrogen late in flower, reducing the risk of unwanted leafy growth and improving final yield quality. Lowering nitrogen levels in late flower has also been shown to enhance terpene production, leading to a more aromatic and flavorful final product.

Key Benefits:

  • Provides essential nitrogen for early-stage development and vigorous vegetative growth.
  • Supplies calcium to strengthen cell walls and improve nutrient uptake.
  • Separates nitrogen from micronutrients, allowing for precise late-flower feeding adjustments.
  • Enables nitrogen removal in late flower to prevent excess leafy growth and enhance bud density.
  • Supports terpene production for improved aroma and flavor.
  • Highly soluble for a clean, residue-free nutrient solution.
  • Designed for use in fertigation systems with stable pH performance.

Guaranteed Analysis:

  • Total Nitrogen (N): 15.0%
    • 15.0% Nitrate Nitrogen
  • Calcium (Ca): 19.0%

Derived From: Calcium Nitrate

The terps are back.

Normal or Heavy feed?

Feed your plants what they require & desire with our Feeding Schedules.

Additional information

Guaranteed Analysis

Total Nitrogen (N) . . . . . . . . . . . . . .15.0%
15.0% Nitrate Nitrogen
Calcium (Ca) . . . . . . . . . . . . . . 19.0%

Derived From

Calcium Nitrate

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