A special Leca Easy to use Specific pH AgriLeca is the Italian-made expanded clay designed specifical- ly by Laterlite for flower-growing, horticulture and gardening which uses top quality and selected raw materials to obtain, besides the renowned advantages offered by Leca, also a very low salinity release. AgriLeca does not contain organic substances, does not decompose, and is rot-free and parasite-free. Natural Practical Its pH is between 6 and 7. 52