Diahydro / High Silica Media 20L

Diahydro (diatomaceous earth) consists of fossilised diatom shells of a fresh water source.  Place your plants in pure Diahydro with a water reservoir underneath.  Through capillary action exhibited by this nutrient rich medium, water is drawn up and distributed as needed.

• 100% natural
• High Silica content (87-94%)-strong cell walls
• Super absorbancy (150% own weight)
• Optimal thermal conditioning at root level
• Helps protect from crawling insects
• Chemically inert, pH neutral
• Does not agglomerate
• High cation exchange capacitance (CEC) of 42