The next level up is anodized aluminum with an 85% reflectivity, and the high-end models are made from something called physical vapor deposition aluminum (PVD). Cheap low-end reflectors are made from oxidized aluminum, which can reflect about 70% of light.
Your reflector hood is obviously made from reflective material, but not all reflective materials are created equal. In our honest opinion, you can’t go wrong with a rectangular reflector hood. Square, rectangular, and parabolic are the three most common shapes, but they’re not the only ones. Hundreds of plants? Start browsing for the largest grow light reflectors on the market.ĭeciding on reflector shape is a bit trickier. If you’ve got a small grow tent operation, go with a compact reflector. Hood Shape & Sizeĭeciding between a large and compact reflector size is pretty straightforward. Just expect to pay more for air-cooled HID grow light reflectors. Your crop is extremely sensitive to heat, but with an air-cooled reflector design, you won’t have to worry about it. This cool air is eventually pumped into the room, which is great if you’re using high-intensity bulbs that give off a lot of heat (like HPS or CMH). But a more advanced grower will always go with an air-cooled set up (AKA closed reflector).Īir-cooled indoor grow light reflectors have a glass sheet on the bottom with cool air flowing through the closed-off compartment. Because of their basic design, these serve best as T5 grow light reflectors or grow light reflectors for CFL bulbs. On top of that, open reflectors are a great choice for budget growers. The hood material is more pliable, which means you have more control over where the reflected light ends up. An open reflector directs more light down to the plant canopy and it offers more adjustability. The two main types of hood reflectors to choose from are open and air-cooled. This buyer’s guide should help to clear up any confusion: Open vs. There is no “best type” or “best shape” of reflector – each has its own pros and cons. But, with the right combination of bulbs and reflector hoods, you’re looking at a higher yield. What works for yours may not work for your buddy’s grow set up. The main thing to remember when buying cannabis grow light reflectors is that every grow room is unique. What to Consider When Buying Reflectors for Your Grow Lights On top of this, there are many different shapes and sizes, there’s a variety of materials used, and of course, there are major differences in cost. So the first step in choosing your grow light hoods reflectors is to consider the type of bulbs you’re using. Just to name a few, you’ve got open, air-cooled, adjustable, double-ended… and each of these types works best with a specific type of bulb.
#Grow lights reflector how to
In this article we will be comparing some of the most popular ones to help you decide which one to go for.IPower 6 Inch Cool Tube Reflector How to Choose Your Grow Light Reflectorsĭeciding on the right grow light hoods & reflectors can be tricky, mainly because there are a few different types to choose from. There are several reflectors to be had at the sub-£100 price-point. Both of these aspects come into play when it comes down getting the most from a grow lamp and covering a certain size and shape area. They each have different characteristics mainly how reflective they are, and the shape of the footprint that they throw down. There's all manner of different sizes and shapes to be had. There's a big choice of reflectors out there.
The reflector has at least as much (and maybe more) effect on yields and plant health than the grow lamp. To see the differences between different 600 watt lamps take a look at our grow lamp shootout blog here. Both the spectrum and the brightness have an important effect on plant health and yields. All in all, they do not have the ability to affect a grow to the same extent as lamps and reflectors (unless, perhaps, they have a boost function).ĭifferent grow lamps have different light spectrums and different PAR (photosynthetically active radiation) outputs for a given wattage. The main differences between different ballasts are whether they are digital or magnetic, if they are dimmable or not, and how many safety features they have. The job of the ballast is to convert mains electricity into a form that can fire and run a lamp as efficiently as possible. A grow lamp consists of 3 main parts - the ballast, the lamp and the reflector.
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