dwangerow
Aquarium Advice Apprentice
- Joined
- Jun 8, 2014
- Messages
- 20
What is the best ( proper to use) sand for goldfish tanks? All I seem to see is marine sand. Don't know if that would work. Firm believer in some substrate, as it is another place for beneficial bacteria. I'm worried about the kiddies swallowing gravel. I watched one do it, and before I could get him out and remove, he swallowed it!