Kiryuzuna dolomite Holds up to 20x its

Holds up to 20x its own weight in water for excellent moisture retention

burn $5 in petrol and 40 minutes on the round trip

applications typically run from January through to the end of August

We're not the cheapest online — and we won't pretend otherwise

hero-image-placeholder { width: 100%

Kiryuzuna dolomite Holds up to 20x its3 6mm Kiryuzuna Kiryuzuna is a premium Japanese volcanic substrate mined from ancient deposits near Kiryu City in the Akagi Mountains, Gunma Prefecture. Prized by bonsai growers and orchid enthusiasts worldwide for its exceptional drainage and durability. Rich in iron oxide (FeO), Kiryuzuna offers outstanding drainage and aeration while retaining enough moisture within its porous particles for healthy root development. Harder and more angular than