Cultiwool Prime is our premium sustainable brown stone wool substrate. It is designed specifically for growers who demand the highest level of performance and sustainability. Produced with natural binders and state-of-the-art European technology, Prime ensures exceptional water retention, rapid initial wetting, and precise EC and pH control. Its structure supports superior root development, enabling optimized nutrient uptake and uniform plant growth.
Prime Product Portfolio
Prime Growing Blocks
Cultiwool Prime Blocks provide exceptional water control, root development, and crop uniformity, built for growers who demand precision at every stage.
Cultiwool Prime Growing Slabs provide a sustainable, high-performance foundation for cultivation, combining natural binders with superior water management and uniform plant growth.
Cultiwool Prime Starter Plugs blend eco-conscious design and high performance to create the ideal microclimate for rapid root initiation and stable propagation.
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