You do have to add a pump or the stream cannot flow. It is also best to have a reservoir of water and to then use aquarium filtration i have found over the years as the animal tend to foul the water. Plants will usually place roots in the water which does help to filter it a small amount but they also drain the water, which is why a larger reservoir is handy.
It can be done, with some thought.
John Courteney-Smith MRSB.
Arcadia Reptile; Head of Science and Innovation
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