ChromatiNet Blue shade cloth from Signature Supply reduces the spectrum of red and far-red light and increases the blue light spectrum, creating a compact plant with deeper green foliage. Growers can produce and ship more quality plants per square foot using only sunlight. In some varieties it can postpone flowering. The increase in blue light changes the rhythm of the plant. Blue light acts as a natural growth regulator decreasing foliage volume by around 20 percent, darkening the foliage and delaying the bloom.