Great for rooting seedlings or or clones. You can write on the plastic wrapping, allowing for easier identification of plants. Coconut fiber can also be added into soil mixtures to increase water holding capacity. Coconut fiber holds more oxygen than rockwool and is pH neutral. Available as 1 lb bricks, when Coconut fiber is soaked in water it expands to 6 times its compressed size.
L.E.C.A stone is a type of clay which is super-fired to create a porous medium.
It is also fairly heavy, providing secure support for your plants' root systems. This non-degradable, sterile growing medium holds moisture, has a neutral pH, and also will wick nutrient solution to the root systems of your plants. L.E.C.A. is often the growing medium of choice for novices because it is easy to use. Perlite Perlite Perlite is a volcanic mineral specially processed for horticultual uses. It is non toxic, sterile, and odorless.