Bims Vulkastrat 2-8 mm (25L)

The perfect blend of pumice, zeolite, and lava for extra drainage, a solid structure, and nutrient binding. The grain size of this mix is 2 to 8 mm. It comes in a large bag weighing over 20 kg.

The Vulkastrat can be mixed well with, for example, Akadama (in equal quantities, or possibly a little more akadama if you want to retain more moisture).