Made another one today, hope the salt content in the coral will not be too much for the plants.
And it is really difficult to make any of those with E. Knuthii as combination, as E. Knuthii is a caudex plant that need to be grown outside the rocks, difficult to attach the soil on the rocks. If all E. Knuthii then we can simply bury the whole rock, can not bury the rock if there are other plants on it.
