Secret Jardin Orca "The Fifty" 120 x 65cm Reflective sheet
Orca is a highly reflective fabric made of plastic microfibers.
In a 120 x 120 cm tent, you can get 8% more light on plants with a single Orca "The Fifty" canvas.
With all four up to 25% extra light.
In practice, this means that 600W HPS provides 750W with 4 screens!