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- Sun Jun 29, 2025 10:48 am
- Forum: General Discussion
- Topic: Seeding a new sponge filter
- Replies: 13
- Views: 41
Re: Seeding a new sponge filter
I'm new to this, but why not just leave the new sponge in the tank for a while before turning it on? Wouldn't that let bacteria grow on it naturally?