Ideal coverage for 1000w: 1.2m x 1.2m at 65-70cm above plants. Ideal coverage for 600w: 1m x 1m at 45-50cm above plants. Ideal coverage for 400w: 0.8m x 0.8m at 40-45cm above plants. Ideal coverage for 250w: 0.5m x 0.5m at 25-30cm above plants. Most ballasts are provided with plenty of cable to enable the ballast to be positioned outside the grow room.Ī question we are regularly asked and one the answer to will help you determine the above mentioned position of your reflector is “How far way should i position my reflector from the top of my canopy?” The following distances will give you the best balance and spread of light over the plant canopy and penetration of light into the plant canopy. Consideration should be given to the varying positions your reflector is likely to be in as your plants grow and how far away your ballast is positioned. The reflective surfaces of these reflectors will degrade with use, as such care in their use and handling is important, you should try to not touch the reflector surface and lightly clean them when appropriate. A particular noted surprise form our own testing was how well more affordable reflectors performed, particularly the Supernova reflector. Progrow have based their choice of reflector on their own lighting research conducted to show intensity and distribution from industry standard reflectors. Along with computer aided design from some of the worlds most renowned manufacturers such as Sunlight Supply Sun Systems, Maxibright and SOL digital. Highly polished hammertoe aluminium or MIRO dimpled mirrored surfaces direct this light to your garden. Light emitted from the further section of the lamp away form the plants needs to be diverted effectively to your canopy. HID lamps are designed to run in a horizontal position with equal emission from all surfaces of the lamp. The job of the reflector in your lighting system cannot be under emphasised, making best use of the light your lamp produces adds available light to your plants whilst ensuring all the light emitted is distributed as evenly as possible. These types of reflectors, offer the benefit of increased light levels to your plants. This means that the reflector can be brought closer to the plants without burning a great advantage as most indoor growers are constantly removing excess heat. Air cooled reflectors are a good choice as the heat from the lamps is removed using an extractor fan. If you are growing in a small space then the open ended variety maybe a better choice as they allow the heat to escape from the sides of the reflector. They do however need good air movement around them and may not be the best for growing in confined spaces as the heat from the lamps can become trapped inside them unless there is sufficient space around the outside of the reflector for the warm air to escape.
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