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Grow Lights, Ballasts & Accessories

Save upto 10% on Hydroponic Grow Light Kits

Why do you need a grow light

Your plants need light to grow. Without it they will wilt, fail and die. Our grow lights are specifically designed to ensure optimum growth. They give out the correct spectrums of light which allows your plants to grow big, strong and produce larger yields. GrowGenius.co.uk offers a large range of grow light kits & accessories. Whether you're looking for LEDs, HPS, CFLs, replacement bulbs or ballasts we are the one stop shop for all your grow lighting needs.

Energy is required for all plants

ENERGY is the most important aspect of your plants growth, without the sun they need "artificial" light. That's where our growing lights come in. Whether you decide on HPS, CFL or LED you will need ample lumens to cover your grow room, the larger to room the more lumens you require.

What about energy usage?

HPS lights use quite a lot of energy. CFL and LED lights use much less energy but do require a higher upfront cost. Although HPS lights also cause problems of their own; such as excess heat, this can be easily dealt with by using extra fans or air cooled lighting although these add to the costs. In the end if you're looking to cut down on energy usage then stick with LED's or CFLs.

What kind of light to start off my plants?

When sprouting indoor plants using hydroponics it may be wise to steer clear of HPS lights. The very best grow light for seedlings, cutting or early life plants has to be LED grow lights although our dual spectrum CFL's are also ideal.

How do I setup the grow lights?

Each of our hydroponic lighting kits are simple to use, just plug it in, hang it above your plants and you're ready to go. Each are as easy as every other one. All of our grow light kits come with YOYO hangers & a plug in timer to control your growth cycles.

how do grow lights work?

Electric grow lights are designed to be used indoors and to advocate plant growth, flowering and fruiting by shining the exact spectrums of light your plants need to thrive. Different types of lighting will emit various degrees of light and colors needed for the photosynthesis process. For example our 600w LED grow light has both bloom and flower options. Grow lights are really easy to figure out. I don't want to geek out on you, the simple answer is that some really smart people figured out how to emit the exact spectrums your plants require for photosynthesis.

How many grow lights do I need?

That depends entirely you on the size of your grow room. Check each of our grow light pages for more specific answers on the coverage area on each lighting kit.

HPS Grow Lights

The traditional lighting method for indoor growing. HPS light kits consist of a ballast, HPS bulb and reflector. These types of grow lights have been tried and tested. They are available in 250w, 400w & 600w lighting kits. Our HPS grow lights are dual spectrum and are suitable for plants from start to finish. Be aware though that they do give off a lot of heat and unless dealt with they will produce their own problems. To combat this we recommend you get a HPS cool tube kit.

LED Grow Lights

LED's are the new kid on the block, one of the main criticisms of LED grow lights is that they are expensive. Whilst this is true, they are cheaper to run and won't use anywhere near as much electricity as HPS or CFL grow lights whilst also producing similar results. Here at GrowGenius.co.uk we are firm believiers in LED grow lights, whilst they are still a bit expensive the prices come down every year. Our LED grow lights are available in 180, 300 & 600 wattages.

CFL Grow Lights

CFL grow lights are larger version of your ordinary energy saving light bulb that give off the exact spectrum your plants require. Like LED's they are cheaper to run than your traditional HPS lighting kits and are available in red, blue or dual spectrum variations. You can buy CFL grow lights in 125w, 200w, 250w & 300w.

Grow Light Ballasts

Ballasts are commonly used with HPS or MH grow lights, these allow you to safely use the high powered lighting solutions without the risk of fire or other damage. Because they require so much power you need a ballast otherwise your bulb will just go "POP".

What is the best kind of grow light

In the end it is down to personal preference. LED lights are cheap to run, last a long time. CFL lights are the same but the lifetime and light penetration is much lower than LED or HPS lights. HPS lighting kits are the traditional grow lights and have been tried and tested, put simply they work! However they do cost more to run and have heat problems.

What is the best grow light? HPS vs CFL vs LED

There is no such thing as the best grow light. All our lights offer everything that your plants need, whether you choose CFL, LED or HPS each of our grow lighting kits have their own specific advantages and disadvantages. If you're looking for our opinion then we recommend either CFL or LED grow lights, both of which are cheaper and much easier to use when compared to traditional HPS lighting kits. If you know what you're doing then HPS and MH grow lights are exactly what you need.