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[peterjohnson64]

what size tank matt? but a couple of things anyway. Unse eucy mulch as the substrate. It looks good. Provide them with a water bowl they can swim in but you can also take out to clean. They will crap in the bowl. Water dragons dont need much extra heat in your area. Use a 26w screw in fluro for heat and UV. That way they have to bask under the UV to get heat. if you think it isn't warm enough you could add a small wattage heat mat under one end. Make sure they get close to the UV globe. They will dig under the water bowl so make sure it cant squash them. Buy yourself a small fake rock and make a hole in it do they can use that as their hide.

And dont forget that they can jump well so enusre they cant escape.