Other Names : Perlite Particles For GardeningEINECS No. : 231-211-8Model Number : perliteClassification : Plant FoodMF : K2CO3Purity : 99State : GranularApplication : Make nutrient soilCAS No. : 7447-40-7Weight : 50g(0.5L)Use A : Gardening soilUse B : 10-20% of soil volumeUsed to configure horticultural nutrient soil Weight : 50 g (0.5L)Use ratio: 10%-20% of soil volume .Lightweight natural materials, keep the soil breathable, loose, and prevent soil compaction. The role of perlite is to permeate water and air, and it cannot exceed 25% of the soil volume.