Name: Redrock Rockwool Cubes – 6" x 6" Stone Wool Starter Blocks with 42/40 Hole | 4-Pack | for Hydroponics & Indoor Growing | Includes Twin Canaries Chart
Brand: Twin Canaries Liquid Volume Conversion Chart
Price: 13543.00 VUV
Availability: InStock

Deliver to Vanuatu

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🌱 Grow smarter, not harder — elevate your hydroponics game with Redrock Rockwool!

ROOT POWERHOUSE - 6" x 6" commercial-grade block supports vigorous vegetative growth
MOISTURE MASTERY - High water retention paired with ideal dry-back for oxygen-rich roots
HYDROPONIC HARMONY - Versatile compatibility with drip, ebb & flow, and all major hydro systems
PURE CLEAN GROWTH - Sterile, U.S.-sourced mineral wool ensures contaminant-free cultivation
PERFECT FIT PRECISION - 42/40 mm hole engineered for seamless starter plug integration

Redrock Rockwool Cubes are premium 6" x 6" stone wool starter blocks featuring a precision 42/40 mm hole, designed to support larger root systems in hydroponic and indoor growing setups. Made from sterile, U.S.-sourced mineral wool, these cubes offer superior moisture retention and balanced drainage, ensuring optimal oxygenation and contaminant-free growth. Ideal for a wide range of crops and compatible with all major hydroponic systems.

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