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water filter use 2-4 mm natural pebble stone

Product: Pebble/ River stone

Color: White/ Green / Sky blue / Brown etc.

Common size: 1-2,2-4,4-6,6-8,8-15,15-32cm 0.5-1 1-2 2-4 4-6 6-8mm

Usage: Gardening

Package: 25/50 kg/ bag


Pebble olao called cobble stone is a kind of pure natural stone, it can be used as water filter material, it is natural and has great performance in water treatment. It is taken from the gravel mountain produced by the ancient river bed uplift after crustal movement ten million years ago

Advantage of Pebble

  • Hard
  • Wear resistance
  • Anti- stress

Application of Pebble

  • Gardening
  • Park rockery
  • Bonsai / miniature tree filling material
  • Building decoration stone
  • Pave road
  • Water filter media
  • Sewage treatment
  • Gardening

Specification of Pebble

Specific gravity 1.85g/cm3 Hardness 7.5
SiO2 98% Bulk density 1.85
Solubility of hydrochloric acid 3.50% Density 2.66
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