Green Concrete Powder is used to make Green concrete blocks. You can place this powder in the water to make green concrete blocks.
To make Green Concrete Powder, you will need Sand Blocks, Gravel Blocks, Cactus and Cactus Green Dye. Please follow the following steps to make Green Concrete Powder.
The next required item that you will need to get is gravel block. Get at least four of them using your iron shovel.
The next item that you will have to get is cactus block. Find a cactus block in a desert biome. After picking it up, you will need to use it in the furnace with coal in order to get the green dye.
Cactus Green Dye
Now make your way to the furnace and add cactus block in the upper box and coal in the lower box, you will get cactus green dye in the right side box of the furnace. Bring this dye in your inventory.
Green Concrete Powder
Now you can craft Green concrete powder as you have cactus green dye, sand blocks and gravel blocks in your inventory. Move to the crafting table and add these things into 3*3 crafting grid of the crafting table in the same way as shown in the following image. Add 4 gravel blocks at the four corner cells, green dye in the center cell and 4 sand blocks in the remaining 4 cells. You will get Green concrete powder in the right-side box of the crafting table. Add this item in your “ready to use” stock.