I use LED grow light strips on my indoor hydroponics system (another project with my son during our 3-month COVID lock-down earlier in the year). Many hydroponic lights are not full spectrum (i.e. white light), but usually a pink or purple colour since they use a combination of red and blue LEDs. Red and blue light is what plants mostly need to grow (blue for foliage growth, red for fruiting and flowering, or maybe it's vice versa), but basically plants don't absorb much in the green spectrum (hence plant leaves look green). So for efficiency, hydroponic lights miss out the parts of the spectrum that they plants don't need and concentrate on the red and blue parts that they do. Good for efficiency, but absolutely ghastly for viewing! You would not want a tank lit by these type of lights even though the plants may grow great.
Otherwise LEDs are LEDs so only really packaging differences between aquarium and hydroponic products. Hydroponics don't need dimming, so products aimed at aquariums are going to be a bit nicer to use in that respect and will be easier to tune to your requirements / preferences. A decent quality hydroponic LED light will probably cost the same as a decent aquarium light, so not sure there is much to gain.
Not sure if that helps at all?
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