Plastic PE Grow Bags White Outside and Black Inside Biosafe Systems 5500K Full Spectrum (380-770nm): Balanced

5500K Full Spectrum (380-770nm): Balanced cool-white output with CRI 73 carries both veg and flowering without spectrum swaps

Surfactant Root-Contact Enhancement: Surfactants reduce surface tension at the root zone

stable environment

The result of months of scientific research and trials is Grodan Gro-Blocks Improved with our Advanced Wetting Agent

Plastic PE Grow Bags White Outside and Black Inside Biosafe Systems 5500K Full Spectrum (380-770nm): BalancedPlastic PE Grow Bags White Outside and Black Inside These plastic PE grow bags are a great alternative to expensive pots. They are plant safe 5. 5mil polyethylene bags that have a white exterior to reflect light and a black interior to pre