- Joined
- Apr 9, 2021
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- 38
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The large stones that my waterfall flows over are starting to turn black / dark brown. I don't know why. Water is clear and clean, fish and plants appear healthy, pumps and filtration working well. The pond is less than a year old.
While id doesn't look bad or unnatural, we miss the natural color and striations of the rocks.
While id doesn't look bad or unnatural, we miss the natural color and striations of the rocks.