Black sponge REEF2REEF Saltwater and Reef Aquarium Forum
By A Mystery Man Writer
Last updated 16 Jul 2024
I've been told this is black sponge. Do I remove it? Will it spread?
Hello - Sand turns black, Page 2
Is this sponge good or bad?? REEF2REEF Saltwater and Reef
![Black sponge REEF2REEF Saltwater and Reef Aquarium Forum](https://www.reef2reef.com/data/attachments/1716/1716453-6ecf0ef2c2d3ec6e4e2da99d15f0517d.jpg)
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![Black sponge REEF2REEF Saltwater and Reef Aquarium Forum](https://www.reef2reef.com/data/avatars/m/110/110052.jpg?1647994860)
Black sponge REEF2REEF Saltwater and Reef Aquarium Forum
Black sponge REEF2REEF Saltwater and Reef Aquarium Forum
![Black sponge REEF2REEF Saltwater and Reef Aquarium Forum](https://www.reef2reef.com/data/attachments/3393/3393640-0b92689a7b6df3407e9af731e313e040.jpg)
Film with Black dots REEF2REEF Saltwater and Reef Aquarium Forum
![Black sponge REEF2REEF Saltwater and Reef Aquarium Forum](https://www.reef2reef.com/data/attachments/2961/2961131-7b50d372cac10a0bfe345082218a56d6.jpg)
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