Professional Rockwool Clone & Seedling Plugs for Fast Rooting and Uniform Growth

The Greengrow Upuper CP T50 Rockwool Cultivation Plugs are designed for efficient seed starting and clone propagation in commercial and home growing environments. These compact trapezoidal stonewool plugs fit perfectly into standard propagation trays and feature a pre-formed planting hole for quick, stress-free transplanting.

Engineered for optimal moisture retention and oxygen balance, CP T50 plugs promote rapid root development while minimizing transplant shock. Once rooted, each plug easily transfers into larger grow cubes or hydroponic systems, making them an economical and scalable solution for high-volume propagation.

Key Features & Benefits

• Designed for seeds, seedlings, and cloning propagation

• Pre-formed planting hole for fast and easy planting

• Excellent water retention with superior root aeration

• Compact trapezoidal shape for efficient tray spacing

• Fits standard seedling trays perfectly

• Easy transplant into larger rockwool cubes or systems

• Ideal for hydroponics, greenhouses, and nurseries

• Cost-effective for large-scale propagation

Product Specifications

• Model: CP T50

• Individual Plug Size: 1.7” × 2” × 1.5” (L × W × H)

• Pre-Formed Hole 

• Sheet Size: 20” × 10” × 1.5”

• Cubes per Sheet: 50

• Package: 20 sheets per case

• Total Cubes per Case: 1,000

These professional rockwool plugs provide consistent moisture control, strong root establishment, and reliable performance for growers who demand precision propagation.