Crystal clay is toxic. Because crystal clay production materials contain toxic substances borax, either skin contact or inhalation of their volatile substances, will be harmful to the human body. If accidentally ingested or in contact with wounds, it may cause poisoning, which can affect the human digestive system, nervous system and reproductive system.
Crystal clay is a highly absorbent carrier that stores water, nutrients and trace elements and has a variety of colors. After absorbing water, the product can be used to grow plants and as decorative ornaments. Used for indoor planting of various shade aquatic plants, even if not watered for a month, the plants can be safe and sound; it also contains a certain amount of N, P, K and a variety of trace elements and other nutrients, to meet the normal growth of plants.
Expanded Information:
Precautions for growing plants in crystal clay
Crystal clay this variety of flowers and plants should not be exposed to direct sunlight, and must be placed in a place where young children can not reach, so as to avoid accidental ingestion.
Crystal mud species of plants can be a long time without watering and fertilizer, only timely (2-4 weeks) in the crystal surface spray a little water, water expansion and can be used repeatedly.
Crystal clay crystal soil dirty after rinsing water filter dry water, can continue to use. You can also wash the crystal soil, for the dry treatment, and leave it for the next time to use again foam.
Crystal clay can be soaked in mineral water or purified water to get the best results, because tap water contains chlorine, it is easy to bleach the color of the crystal clay, please note that the water must be filtered out before loading into the vase.
Baidu Encyclopedia-Crystal Clay