Out of stock
£22.46 £18.72
Diahydro Diatomaceous Earth

DIAHYDRO Consists of the fossilised shells of algae (diatoms) that lived millions of years ago. Diahydro is produced from natural earth of a fresh water source. Diahydro is extremely high in Silica (87-94%), an essential component for the growth of plants and strengthening cell walls.


  • 100% Re-usable
  • High silica content (87-94%)
  • Super absorbency (Holds 150% of its own weight in water)
  • Optimal thermal conditioning at the root zone (Temperature swings don't affect plant growth)
  • Protection from crawling insects
  • Chemically inert
  • 100% Natural
  • p.H neutral (6-7)
  • Does not agglomerate due to multi-faceted structure
  • High cation-anion exchange (CEC*) OF 42
  • Plants grow Faster and Stronger in Diahydro 'FACT!'
  • Perfect for Container growing or Flood and Drain Systems

*(CEC): High Cation Anion Exchange. A higher CEC means a medium will pass nutrients to plant roots easier and more effectively.

40ltr Bags

More Information
Heavy Delivery Charge 0
Write Your Own Review
You're reviewing:Diahydro
Your Rating

Sheffield Ltd:

230 Unit 5 Woodbourn Road, Sheffield

S9 3LQ

0114 2753353

Directions to Sheffield Branch



Mon-Fri 10am - 6pm

Sat 10am - 5pm

Sun 10am - 4pm


Unit 6 Rockingham business park, Rockingham row, Barnsley

S70 5TW

01226 399837

Directions to Barnsley Branch



Mon-Fri 10am - 6pm

Sat 10am - 5pm