Grodan GT Master

Grodan GT Master is a premium stone wool slab optimized under NG2.0 technology for professional greenhouse production. Engineered with a unique dual-density fiber structure, it precisely supports both generative and vegetative growth phases in a single-season slab. At the top is a denser fiber layer providing structural stability and even moisture retention; below lies an airier layer that enables deeper root penetration. This dual-layer design achieves rapid resaturation (up to ~74% in 24 hours from 50% dry) and delivers uniform water content (WC)—critical for synchronized root establishment and nutrient absorption. Grodan GT Master is ideal for growers seeking precision control over irrigation and EC. Its structure enables quick EC refreshment and agile moisture steering, improving crop performance even under high light conditions. But if you are a grower who wants to expand further, then you might want to take a look at the Grodan Plantop Dry or the Grodan Delta NG2.0.