Blue color water pearl is Earth friendly, It can be recycled, NO toxin. It is a great substitute of water and soil.
1 g can expand 60 times to 150 ml. Pour 150-200 ml of water to soak the gems for 4-8 hours. Drain of the water when the gems have expanded. Put the gems into container and cover plants or flowers roots. Plants only need to be sprayed with water every 2-3 weeks.