... Crystal Soil is round pearl, which can inflate 120-180 times of its own weight. This kind of Crystal Soil ... Apperance: Three shapes available cubic shape, granule shape, pearl shap Ten colors available: red, pink, blue, ... less than 120-150 wt./wt. Application: Crystal Soil is a kind of carrier, which can ... and translucent after absorbing enough water as crystal ball. It could be used:air fresher ...