制造水蛭养殖桶教学

3 feet width X 2 feet high round concrete pool


(1.1)Materials:

1.Concrete pool
2.Wood (1 inches X 2 inches）
3.Wood (1 1/2 inches X 1/2 inches)
4.Nail (1 inches)
5.Nail (1/2 inches)
6.Clear silicon
7.Handle
8.PVC net(3.5feet)
9.PVC socket(25mm)
10.PVC plug(25mm)
11.Organic soil
12.chlorine remover
13.Nail- stainless steel(1 inch)


Drill a hole(18inch from bottom)and clear sand before put in PVC socket and silicon.Plug in PVC plug in over flow hole.Fill in water and Vinegar after silicon dry.the water level around 2/4 of the pool full level.Let the water 48hour in the pool.

Build wood Frame use 1 inch x 2 inch wood .This frame is to fill the cover and PVC net.Bottom frame must have a inner layer to let the cover fill in and the prevent leech come out.

Fix the frame into pool and nail it with stainless steel nail before cover with PVC net.

after silicon dry,put in 1 inch high of sand and 2kg organic soil
put in some water plant
put in chlorine remover

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