Products Description
Tenlead Hydroponic Grow Cube made of phenolic foam has good chemical stability, non-toxic and non-polluting, is an important planting substrate for modern agricultural production. Tenlead Grow Cube provides a haven for seeds during germination. By keeping them sufficiently saturated, it provides the three key demands required for successful germination: darkness, moisture, and warmth. And its high opening ratio makes it have excellent water absorption and water retention performance (no loss of nutrient solution), and it can lock the nutrients and moisture needed to maintain plant health.
Parameter
| 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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