Crushed Volcanic Lava Chips is great for beneficial bacteria in aquariums. And can be used either as filter media for biological filtration or as a layer below the aqua soil.
The lava chips are porous and help the roots to firmly attach themselves to it.
Lave chips are good as a medium for growing Orchids since they are porous and fast draining.
Lava chips also find their use in Terrariums as a bottom layer to help with drainage and helping the roots to grow well.
Lava chips are used for better aeration of soil, drainage, water retention, pH neutral, Provides trace elements to plants, some include: Manganese, Cadmium, Copper, Aluminum, Calcium, Magnesium, Zinc, and Iron. These trace elements are essential to take full advantage of the nutrients you feed them .
Size: 2-4 mm