What is Kanuma soil, the orchid growing stone?

Kanuma soil is a new high-gradeorchidgrowing stone developed and produced with advanced Japanese technology, and we call it "Kanuma soil." This product has been sterilized at a high temperature of 250 degrees, offers excellent breathability, drainage and moisture retention, and is pure and white in color, making it an indispensable treasure for orchid enthusiastscultivatingorchids. Advantages: 1. Sterilized at an ultra-high temperature of 300 degrees, zero pollution 2. Excellent drainage and moisture retention 3. Reusable and suitable for all kinds of flowers 4. Natural, breathable, porous stone 5. Removes acid, absorbs odors, and does not breed mosquitoes or insects