Diahydro – a High Silica Growing Media. As Diahydro is an inert mineral medium it is sterile and free from disease and seeds. A very important benefit of diatomaceous earth is that it has the unique property of killing insects and parasites, as the sharp edges of the diatoms puncture insect exoskeletons. No insect will crawl over diatomaceous earth. 100% natural. high silica content (87?94%) and super absorbent ?150% of own weight in water. Optimal thermal conditioning at the root level. Protection from crawling insects Chemically inert Ph neutral (6?7). Does not agglomerate due to multi-faceted structure. High cation-anion exchange (CEC) of 42.
Shipping & Delivery
All our products are delivered in unmarked packaging.
Express parcel delivery service
All our products are shipped via DPD with email notifications 1 hour before delivery. Prices are
- Under 2KG - £3.99
- Over 2KG - £7.99
- Free shipping on all orders over £250
Some postcodes within the UK, including but not limited to the Scottish Highlands and Northern Ireland will incur a delivery surcharge, for details please contact us PRIOR to placing an order.