Perlite hydroponics is a popular method of growing plants without soil. It involves using perlite, a type of volcanic glass that is lightweight and porous, as a growing medium. Perlite is an excellent choice for hydroponic gardening because it retains moisture and allows for good aeration, promoting healthy root growth.

One of the key benefits of using perlite in hydroponics is its ability to provide excellent drainage. This prevents water from accumulating around the roots of the plants, reducing the risk of root rot and other water-related diseases. Additionally, perlite is pH neutral, which means it will not affect the pH of the nutrient solution in the hydroponic system.

When using perlite in hydroponics, it is important to ensure that it is properly sterilized to prevent the growth of harmful pathogens. This can be achieved by heating the perlite to a high temperature before use. Once sterilized, perlite can be used as a standalone growing medium or mixed with other media such as coconut coir or vermiculite to create a custom blend that meets the specific needs of the plants being grown.