How to Make Hydroponics Clay Pebbles at Home [LECA, Hydroton]
Since Hydroton is a loose medium, it is easy to work with when transplanting or harvesting plants. Clay pebbles are relatively smooth, but they provide sufficient biological surface area (BSA) for growing the colonies of microbes that keep a system''s nutrients responsive and stable. Since clay is inert, it more pestresistant than organic media.