UPDATE: 12/16/16 - I've been using this LED lighting system for almost three years now. Over the past few months, moisture has seeped into the plexiglass that covers the LEDs, corroding some of them. As a result, some LEDs burned out while others dimmed noticeably. However, most LEDs will continue to function normally. The question is when will they disintegrate to the point where they no longer work? It was a relatively inexpensive flashlight, but the larger, more powerful versions suffer from the same Achilles' heel of poor plexiglass insulation, which will eventually lead to premature corrosion and failure of the LEDs. I have several Hagen GLO T-5 lights that are between six and seven years old and continue to function normally despite their bulbs being fully exposed to the water in my tanks. They work well because the ballasts in these lights are properly insulated to prevent corrosion. Finnex needs to address this issue or its lighting systems will continue to fail prematurely. These are very good lighting systems, so with some attention to this issue they will surely be very good. Previously UPDATE: I've been using this light for two years and it continues to work well. The real question many aquarists who use LED lighting continue to ask as the technology is relatively new to the tropical fish hobby is will these lights last? The manufacturer states that the lamps should last around ten years if they are used around 10-12 hours a day. While I doubt the bulbs will last that long, they will still represent good value even if they only last three to four years. The Finnex flashlight is made of aluminum and is therefore light. Despite its low weight, it is well made. I have a 12" model of this Fuge Ray for my Mr. The Aqua is 1.5 gallons and it works very well. They keep talking about denomination being more important. As for watts per gallon in terms of rating the Aquarium lighting, however, I've found in this aquarist's experience that some highly rated LED lights I have just don't grow plants very well if their watts per gallon rating is less than about 1. 5. This little one Lamp is perfect for Mr. Aqua 1.5 and provides about 3 watts of light per gallon of water, does a great job growing the dwarf grass that recently completely covered the bottom of this small tank.I am using a DIY CO2, I am attaching the outlet tube to a hole that I drilled in the body of my Tom Mini submersible aquarium filter.The Mini works very well both as an internal filter and as a CO2 regulator.Because the grass in this aquarium keeps the nutrients in of the water column before the algae are consumed, algae growth is limited. This is a great little lamp at a reasonable price. Hope it holds up well over time. Over time I will update my experience with this light. Highly recommended so far! Also, I found this
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