... order)Product Advantages:1.Cree CXB3590 is very good in plants growing,especially in Marijuana.2.COB LED source,more powerfull,more ... has better Heat sink performance,keep LED grow light work in proper temperature.4.Using high quality Cree CXB3590 chip LED,the ... well with water solution culture and soil culture. Can beused in house garden, pot culture, garden, sowing, breeding, farm, flower exhibition ...