Whilst indoors, plants only receive the spectrum of light provided by your fixtures, which is usually a narrow band of electromagnetic radiation we call PAR. While UV light does not directly contribute to the PAR values given by most lighting manufacturers, UV has a significant impact on the quality of fruit and flowers grown with it as a supplementary lighting.
Our Sun emits UV that can damage DNA and act as a stressor to organisms. As Humans, we can avoid this UV induced damage by applying sunscreen, moving into a shaded area or putting on a hat. Humans can’t see UV, so there’s no colour associated with it.
Not all UV lights are equal – While some traditional fixtures (like CMH) do produce some UV, it is not in high enough quantities to stimulate the UVR8 protein – found in almost all plants when a UV light source is present. The UVR8 proteins entire job is to activate photo-protective mechanisms – ways the plant can reduce the impact of the incoming UV, like how we’d put on a hat and sunglasses in full sun.
Depending on the plant, these mechanisms can be different but generally, for plants that contain essential oils such as terpenes and flavonoids, it’s these oils that are stimulated to act as a sunblock for the incoming UV rays thus protecting the plant. The Solacure Flower power emits UV in precisely the range to stimulate the UVR8 protein, leading to massive gains in plant-based essential oils.
These lamps have inbuilt reflectors to help direct the UV onto your canopy. Thanks to this design, there’s no need for additional reflectors that require maintenance, just replace the lamps on a 6-month schedule to make sure you continue to get the most out of them.
Disconnect from the mains before installing lamp replacements.
Slide the pins into the holder and twist the lamp to lock it into place – make sure the logo is facing towards the plants to prevent the in-built reflector from blocking all the light!
We recommend installing 2 solacure flower power fixtures per 600w-1000w traditional fixture, as in the diagram below
Use the solacure lamp right from the onset of flowering until harvest.
Different plant varieties and cultivars can cope with different amounts of UV – The exact amount required in your garden for a particular strain may take some experimentation through trial and error to see what works best for you.
We recommend starting with a regime of 2 hrs of solacure UV during ‘lights on’ per day – you can slowly increase the exposure by 15 minutes every other day. If leaf tips start to burn, reduce your exposure by 30 minutes and you’ll have found the most your particular variety can cope with before negative effects creep in.
Once you’ve found the maximum number of minutes your UV grow light can be on for, you want to incorporate it into your lighting regime which can be done in several ways:
15 minutes on, 45 minutes off throughout the entire flowering run during lights on. This will give plants some time to rest in between pulses and will have the added benefit of being near impossible to have adverse effects.
2-3 hours on at the start and end of the ‘day’. Some users turn their solacure on during the sunrise and sunset times.
In an indoor environment, a typical plant will require between 2- 6 hrs supplementary UV per day but can be left on longer in commercial facilities or greenhouses where lights are usually mounted much higher from the canopy. The higher the fixtures are mounted, the larger footprint they’ll cover but the longer you need to leave them on each day to have the required effect.
Solacure Lamps in the Bloom room must be replaced after 6 months of 12/12 (roughly 2000 hrs) to continue to stimulate the UVR8 protein. As the lamp ages, its UV output degrades. While you can still use these spent lamps for mould, mildew and pest prevention in your vegetative rooms, do not use spent lamps in your flower room.
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