Product description

Fluval Stratum — Nutrient-Rich, pH-Balanced Rooting Substrate The go-to rooting medium for houseplants, propagations, and tissue culture plantlets Originally developed for aquatic plants, Fluval Stratum has become a proven favorite among aroid growers for one reason: it creates the perfect environment for roots to take off . Sourced from mineral-rich volcanic soil , this substrate delivers the ideal balance of aeration, moisture, and nutrients —everything young roots need to establish fast and grow strong. Why It Works Encourages Explosive Root Growth Lightweight, porous structure allows roots to penetrate easily and expand quickly pH-Balanced for Aroids (5.5–6.5) Supports optimal nutrient uptake and stable root-zone conditions Nutrient-Rich Volcanic Soil Naturally contains essential minerals like iron, potassium, and magnesium Supports Beneficial Microbes Creates a healthy root environment that promotes long-term plant vitality Perfect Moisture Balance Retains hydration without becoming soggy—reducing risk of rot Ideal Granule Size (3–5mm) Provides excellent aeration + drainage for developing root systems Perfect For • Propagating cuttings • Rooting Alocasia corms • Acclimating tissue culture plantlets • Restarting stressed or imported plants • Early-stage root development for aroids & tropicals How to Use • Use as a standalone rooting medium for propagations • Keep evenly moist (not soaked) • Once roots are established, transition into your preferred mix The Bottom Line If your goal is faster rooting, stronger starts, and healthier plants , this is one of the most effective substrates you can use.

Shipping & policies