I set up my 20g fish tank around two weeks ago with only water since I was moving and I was getting it ready to add fish to it. When I moved I added my betta and plants and the next day I bought a bag of gravel. They are natural and not painted. I rinsed the gravel well and it was hardly cloudy when I put it into the tank. The next day the water was cloudy and white. It seemed to get progressively worse so today I did a 50% water change. The betta seems to be perfectly fine. I have added all the chemicals I usually add as I've had this tank for a couple years but this is the first time I've had this kind of problem. Before I did the water change the was a fuzz covering the gravel, plants, and ornaments. I haven't seen it before and it was fine before I added the gravel and ornaments. The levels in the tank are good except the water here is a bit hard. No ammonia either. If you have any ideas please tell me.
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