DIY LED aquarium light
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very nice...
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If you knew anything about aquaria you would know that the zooxanthellae of corals and clams need light in the 400-470 nanometer range (which is on the UV side of the visible lighting spectrum and why marine systems look blue).UV sterilizers kill microorganisms but they are in near-direct contact of UV bulb in the system whereas corals are at least 12" away from the light. A lot of that light energy is lost due to incident reflection off the water's surface and not to mention absorbed by water.
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@gnarly79 They have not been on the market for a "long time", and UV is dangerous to fish and humans. Ever heard of a "UV Sterilizer"? Its used to KILL anything that comes through it such as bacteria, germs, parasites, etc. If a fish got through there, it would kill it too.
Stop misinforming people.
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@L4GL3ss The LED aquarium lights have been on the market for a long time. I sell them at work however I recommend customers to steer clear of them as they don't provide any UV for fish or plants, there about 1/3 EXTRA of the regular reflectors and of course they have a power block which is a pain when you have you're filter, air pump and heater all on one power board.
I'd stick with regular reflectors, they are cheap and so are the tubes. I will admit the LED lights do look good.
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Great idea! This has the potential for marketing! The LEDs would never burn out, and it looks amazing! I wonder how the freshwater and saltwater plants and life do with LEDs and if there is an advantage.
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The device shown at 0:15 is sort of a mini programmable logic controller (PLC). They are frequently used for controlling industrial machines and processes. It requires some programming knowledge to make it work. As digid96 mentioned, the dimming is most likely done with a pulse width modulation (PWM) function in the PLC. Some also include real time clocks so you could even control the brightness and color based on time of day.
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Amazing
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And besides that you can clearly see that the light is very bright, penetrating the water nicely.
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@evanm1978 Stfu evan, you're such a stupid shithead.
thundertydus 2 years ago 3
Do what yourself? Did this explain anything?
caesar3693 2 years ago 2