Basic Bonsai Soil From Buybonsai® 4 Quarts (1 Gallon) About 7 to 8 Pounds
Our own blend of Lava cinder rock, Composted fir bark fines, calcined clay. Aprox, 60% Aggregate, and 40% organic pine bark. This is what we use. 1 gallon, 7.5 POUNDS mixed at Buybonsai