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- Sat Jun 14, 2025 2:46 pm
- Forum: Bettas
- Topic: how to prevent algae in Betta tanks
- Replies: 10
- Views: 16
Re: how to prevent algae in Betta tanks
My tank used to be green all the time. I cut the light to 4 hours and added more plants. The plants outcompete the algae for nutrients. It's been clean for months now.