Sachet of sphagnum natural of 3 liters is + - 150 grams. For an use in veneer of surface, for the realization of aerial layers. Thanks to his/her/its very strong power of water retention the sphagnum finds many use in the culture of the bonsaï. Besides she/it aired the soil of your cultures. She/it uses herself/itself as well at the rate of 10 to 20 percent with the earth akadama that in addition to the horticultural compost. She/it can be incorporated in the earthy mixture to increase his/her/its retention of it of water, in surface of the earth she/it will avoid the solar burns of the surface roots and will encourage their devellopement of it for the obtaining of a beautiful nébari.