Hydroton Pebbles/Kg: Clay pebbles, also known as hydroton or LECA (light expanded clay aggregate).
These are a type of hydroponic substrate that comes in units and are the size of marbles or peanuts.
Small farmers who employ media bed or Dutch bucket techniques prefer them since they’re lightweight, easy to transplant and harvest, and easy on the hands.
Both hydroponic and aquaponic systems can benefit from clay pebbles.
Features
- These porous pebbles absorb moisture and enable excellent water drainage from the plant’s roots.
- They also absorb any nutritional solution you choose to add.
- The pores in the stones, the space between them, and their superior drainage function keep the air moving, ensuring that the roots receive enough oxygen.
- They have a neutral pH and are bug-resistant.
- Crush them to promote water retention, especially during the germination stage of growing,
Benefits
- High pore space means fewer blockages
- Some air-holding capacity to keep root zones oxygenated
- Good colonization for microbial populations
- Fairly renewable & environment-friendly
- Easy to plant and harvest
- Reusable
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