Hi guys, So I just clean up and created a new environment for my Crested gecko. I bought a waterfall from Zoo Med, 2 Live plants, small rocks bags (yellow shinny rock) and a cork background from Petco. So I set up as you see in the pciture bellow. However, after an hour, the water in waterfall turn yellow-brownish as in picture. It doesn't smell at all. 1) What's going on? 2) How should i do?