Tabletop waterfall for vivarium

[jajabinx89]

Hey all, first time poster but been lurking here for a while. I'm in the process of slowly building my first vivarium. I know there are reptile water features that can be bought specifically for vivariums/paludariums, but I'm curious about how safe it would be to use a general tabletop waterfall.. similar to the one in the photo I attached. Could it be used as a water source for a gecko (I'd bury it a little into the ground so the base pool was more level with the substrate) or should I be worried about some sort of toxins leeching from it into water source? Do I need to worry about the wiring becoming faulty if I stick it in the vivarium? Not really sure what the differences between these and the ones specifically built for vivariums are. Any help would be appreciated!

Thanks