Perlite is a volcanic glass that has gone through high temperatures and has it’s size expanded considerably acquiring a very high porosity. This allows it to withold large amounts of water. In the PF TEK method is used to keep a high humidity condition in the fruiting chamber by slow evaporation.
Expanded Perlite
2.70€ – 5.65€
Weight | 1 kg |
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Dimensions | 30 × 15 × 10 cm |
Tamaño | 2,5 L, 4 L, 10 L |
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