This light works exactly as described cool and very bright great for plants. I've found my fish get stressed no matter how long I leave it on. I ended up covering half to give them a chance to escape. I also tried investigating a passive slow fade circuit, but after opening the junction box, it turned out that the DC output is 63V, so there's not much to do. If I just had plants and some bolder fish that would be great, but I guess I need to find something with dimmer and lower voltage.
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