Products Description
Tenlead growing medium cannabis is made of perfect materials -- phenolic foam, which is very healthy and high-quality. When you soak the growing medium, the water will be lost quickly, so the medium is not affected by microorganisms to a large extent. And they are used to easily start seeds and cuttings, allowing the roots of the entire cube to develop evenly. Do not squeeze the cubes, especially when wet. The medium allows you to firmly hold the tender cuttings without hurting them, so the cuttings become healthier and stronger.


| Material | phenolic foam |
| Density | 11-20kg/m³ 40-50kg/m³ |
| Pore space | 90-98% |
| PH value | 6.5-7.4 |
| Electrical conductivity(ds/m, 20C degrees) | 0.55 |
| Shrinkage | < 0.01% |
| Compressive strength(kpa) | 20-31 |
| Fully available water(%vol) | 50-61% |
| Water retention time(h) | 72-144 |
| Water retention capacity(%vol) | 50-91% |
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