American Rockwool Manufacturing, LLC products

American Rockwool proudly introduces Hortiwool™, a premium granulated rockwool medium engineered specifically for hydroponic cultivation. Through precision engineering and specialized processing of high-grade mineral fibers, Hortiwool™ delivers the perfect balance of water retention and aeration that professional growers demand. Hortiwool™ represents the evolution of hydroponic growing media, offering superior advantages through its unique granular structure. This innovative format provides optimal root zone conditions by maintaining consistent moisture levels while preventing waterlogging - a critical balance for healthy root development and vigorous plant growth. Being chemically inert, pH adaptable, and completely reusable cycle after cycle, Hortiwool™ gives growers complete control over their nutrient programs.