4 Orchid Seed Gel Culturing Cups Sterilized Ready to Use Product. Our Culture Plant Media products provide the essential nutrients required for the growth and development of plants in labs and clean environments. Isn’t it fascinating how you are able to grow a whole plant from just a few cells! Tissue culture technique is an amazing way to clone the plants, conserve the gene pool, and save the endangered species. It’s a precious technique for the researchers. Plant Preservative Mixture (PPM) added for success, say goodbye to contamination ruining your projects. With our recipe you will have all the proper nutrients both micro, and macro to facilitate healthy plant growth and root / cell development. NOTE: This is a sterile product and must be opened in front of a flow hood, or still air box, or a very clean environment. If you leave these cups unopened in a non-clean environment, they will become contaminated. You should also be familiar with cross contamination techniques. Many tissue culture Facebook groups are available with lots of information.