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Setup
How much space is available?
Height.
Before constructing a grow room, you have to decide the height, to program the entire work.
These tables will help you to consider the height based on the chosed lamp (or vice versa). While calculating the height, you have to consider the size of the lamp and the reflector (they can even be 20cm), the height of vases and the valued growth of the plant.
To let plants growing higher than the maximum penetration of the lamp just means to waste vertical space. However, it's much easy to mistake in forecasts and therefore is suggested to make calculation considering errors.
The dimension of the lamp must be added to these values, together with the dimension of vases, to be sure that the plant will enter in the grow room.
distance from lamps to plants neon/cfl 2/10cm MG 200 watt 5/10cm HPS/MH 250 watt 25/30cm HPS/MH 400 watt 35/45cm HPS/MH 600 watt 55-65cm
light penetration neon/cfl 20/25 cm di raggio MG 200 watt 30cm HPS 150 watt 40cm HPS 250 watt 50cm HPS 400 watt 80cm HPS 600 watt 100cm
Base.
The dimension of the base is strictly connected with the type of lamp that you're going to use. This table can be indicative about the space you will need.
lamp/base neon/cfl 20/25 cm round MG 200w from 50 to 70 x from 60 to 80cm HPS/MH 150w from 50 to 70 x from 60 to 80cm HPS/MH 250w 70x70cm HPS/MH 400w 100x100cm HPS/MH 600w 120x120cm