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Sun Gro Sunshine Mix #4 Professional Growing Medium - 3.8 Cu Ft

SKU: GARMISSUNPSOIL

Professional-grade growing medium engineered for superior drainage and frequent feeding programs

Sun Gro Sunshine Mix #4 is the premium choice for indoor plants, vegetables, herbs, and crops requiring excellent drainage and regular fertilization. This 3.8 cubic foot professional blend features increased perlite content for exceptional aeration, making it ideal for growers who prefer precise nutrient control and frequent feeding schedules.

Key Benefits

  • Exceptional drainage: Higher perlite content than Mix #1 prevents overwatering and root rot
  • Superior aeration: Increased air porosity promotes vigorous root development and oxygen flow
  • Frequent feeding compatible: Well-aerated structure supports crops requiring regular nutrient applications
  • Professional formula: Trusted by commercial growers for consistent, reliable results
  • pH balanced: Adjusted with dolomitic limestone for optimal nutrient availability
  • Indoor growing optimized: Perfect for houseplants, vegetables, herbs, and container cultivation

Ideal Applications

Indoor container gardening and houseplants, vegetable and herb cultivation, crops requiring frequent feeding, hydroponic-style growing with liquid nutrients, hanging baskets and planters, greenhouse production, and any application where superior drainage is critical.

Mix #4 vs Mix #1: Which to Choose?

Choose Sunshine Mix #4 if you:

  • Prefer frequent feeding with liquid fertilizers
  • Need superior drainage for moisture-sensitive plants
  • Grow indoors with controlled watering schedules
  • Want maximum aeration and root oxygen

Choose Sunshine Mix #1 if you:

  • Prefer less frequent watering and feeding
  • Need better moisture retention
  • Grow in outdoor or greenhouse conditions
  • Want a more traditional peat-based blend

Product Composition

  • Canadian sphagnum peat moss
  • Coarse perlite (increased content for superior drainage)
  • Dolomitic limestone (pH adjustment)
  • Starter nutrient charge
  • Wetting agent

Usage Tips

  • Container filling: Fill containers loosely, water thoroughly before planting
  • Fertilization: Begin regular liquid feeding program 7-10 days after planting; Mix #4 requires more frequent feeding than Mix #1
  • Watering: Excellent drainage means you can water more frequently without risk of oversaturation
  • Storage: Keep bag sealed and store in cool, dry location until use

Specifications

  • Volume: 3.8 cubic feet (107 liters)
  • Weight: Approximately 25 kg
  • Brand: Sun Gro Horticulture
  • Product Code: 129710
  • Type: Professional soilless growing medium
  • Drainage: Superior (higher perlite content)

Experience professional-quality results with Sun Gro Sunshine Mix #4—the premium choice for growers who demand superior drainage and precise nutrient control.

$54.95 CAD