Perlite is a natural volcanic mineral and is in fact a porous glass.
Perlite is used by mushroom and truffles cultivators because it is hydrophilic (attracts water) and is very light weight. Perlite is necessary to keep your substrate moist after the soaking process.
Available in 1 and 5 litre bags.Learn More
Vermiculite is a naturally occuring mineral and the key component of a PF-Tek cake. The use of vermiculate is wideranged and there are several grain sizes (grades). Vermiculate grade 3 is used by truffle cultivators and gardeners as the perfect soil conditioner. Grade 3 gives nutrients and support to roots and mycelium. Grade 3 Vermiculite also leaves plenty of room for the soil to let air run through.
Available in 1 and 5 Litre bagsLearn More