We Hydroponics
...This growing medium has been in use quite early with great success. The popular one is the gravel-based ebb & flow system.
Gravel
As fragmented media from hard-wearing rocks like sandstone, limestone, or basalt., spaces between each particle are quite large. This helps give a plentiful supply of air
to the roots. But at the same time, that means the medium doesn't hold water well,
which can cause plants' roots to dry out quickly.
![🍅](https://static.xx.fbcdn.net/images/emoji.php/v9/tc/1/16/1f345.png)
![🥒](https://static.xx.fbcdn.net/images/emoji.php/v9/tae/1/16/1f952.png)
As long as you wash
and sterilize it, you can start using for first time growing or reusing.![🌱](https://static.xx.fbcdn.net/images/emoji.php/v9/t69/1/16/1f331.png)
![🍆](https://static.xx.fbcdn.net/images/emoji.php/v9/t8d/1/16/1f346.png)
![💦](https://static.xx.fbcdn.net/images/emoji.php/v9/tc1/1/16/1f4a6.png)
![🌱](https://static.xx.fbcdn.net/images/emoji.php/v9/t69/1/16/1f331.png)
![🍆](https://static.xx.fbcdn.net/images/emoji.php/v9/t8d/1/16/1f346.png)
![☘️](https://static.xx.fbcdn.net/images/emoji.php/v9/t14/1/16/2618.png)
![🌻](https://static.xx.fbcdn.net/images/emoji.php/v9/t1a/1/16/1f33b.png)
![🌶](https://static.xx.fbcdn.net/images/emoji.php/v9/tee/1/16/1f336.png)
![🥬](https://static.xx.fbcdn.net/images/emoji.php/v9/tfe/1/16/1f96c.png)
![🥕](https://static.xx.fbcdn.net/images/emoji.php/v9/t31/1/16/1f955.png)
![👍](https://static.xx.fbcdn.net/images/emoji.php/v9/tfc/1/16/1f44d.png)
![👍](https://static.xx.fbcdn.net/images/emoji.php/v9/tfc/1/16/1f44d.png)
![✅](https://static.xx.fbcdn.net/images/emoji.php/v9/t33/1/16/2705.png)
![💲](https://static.xx.fbcdn.net/images/emoji.php/v9/t5c/1/16/1f4b2.png)
![👎](https://static.xx.fbcdn.net/images/emoji.php/v9/t7d/1/16/1f44e.png)
![👎](https://static.xx.fbcdn.net/images/emoji.php/v9/t7d/1/16/1f44e.png)
![☑️](https://static.xx.fbcdn.net/images/emoji.php/v9/t8d/1/16/2611.png)
![💧](https://static.xx.fbcdn.net/images/emoji.php/v9/t42/1/16/1f4a7.png)
![☑️](https://static.xx.fbcdn.net/images/emoji.php/v9/t8d/1/16/2611.png)