Daniel corona
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What's that red/purple thing in my sand ?
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- Thread starter Daniel corona
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What's that red/purple thing in my sand ?
cyanobacteria
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OP
Daniel corona
Community Member
- Joined
- Mar 8, 2017
- Messages
- 64
- Reaction score
- 8
Is it bad ?
no, google it. It comes from higher nutrints or build up of food in lower flow areas. some folks freak out on it. I dont.
