It is a simple coral nursery made of plastic pipes, 3mm stainless steel rods, and structure by reinforcing bars.
It could be grew 2000 coral seedlings.
It is a nursery facility for efficiently transplanting coral seedlings by pre-landing them on a mortar stick.
You need to make a hole in the rock to plant these corals.
So you need one or more air compressor and several air drills.
It is a hanging method coral nursery facility.
I mainly grow coral seedlings by the hanging method.
Depending on the method at coral planting method, I changed the material and modeling which attached to the hanging coral.
These are the underwater corals of the hanging coral.
These are the hanging corals, become big-growing.