Medium Red Lava Rock starter-kit-orchid_related it is so pure

it is so pure

magnesium nitrate

Perfect Blend of Long Lasting Ingredients

Micronutrients: Iron 0

and almost all commercially available plant mixes are made with peat moss

Medium Red Lava Rock starter-kit-orchid_related it is so pureLava rock is an excellent base for an inorganic rock mix. Many times if you get a Dendrobium from Hawaii you will notice that it has been potted in either black or red volcanic rock. This lava rock has good water retention with excellent aeration. Because it is inorganic, the mix will not break down and orchids that resent repotting can be left in their mix longer. Particle size is about 1 2 inch.