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Hydroponic Growing Media Expanded Clay Balls

Short Description:

Specifications of  LECA Clay Pebbles   

Items

Result

Particle Size

2-4mm,4-8mm,8-16mm ect

Main Material

Clay

Apperance

Ball

Surface Density

1.1-1.2g/cm3

Bulk Density

300-350kg/m3

Rate of Floatage

95%

The sum of damage rate & Wear rate

3.0%

Accumulation porosity

20%

Hydrochloric acid can let rate

1.4%

Friction loss rate

2.0

Water Absorption

15%

Particle composition

60-63%

Horticultural Clay Pebbles is a perfect choice for growing strong, healthy plants. They’re 100 percent clay, which fosters premium aeration and drainage, as well as excellent pH and EC stability. The pebbles are also pre-washed, to ensure better stability.   Expanded clay is a popular medium for both aquaponic and hydroponic gardening around the world. It is also known as Light Expanded Clay Aggregate, or LECA. Expanded clay is the inert hydroponics substrate of choice for professionals. It provides stability and the pebble has an ideal surface for roots and beneficial bacteria. The porous structure has a high water capacity and is suitable for both flood & drain and top irrigation systems. In aquaponic and hydroponic systems, soil is replaced by these natural clay pebbles, which are derived from a renewable and plentiful source (clay) so it is considered an ecologically sustainable medium. The clay is formed into pellets and then fired in rotary kilns at 1200Cº. This causes the clay to expand inside, like popcorn, and become porous. pH neutral, reuseable and structured like honeycomb – the porosity and surface area gives it ideal water retention qualities for growing.


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
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