- Joined
- Mar 14, 2020
- Messages
- 46
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- 5
I have crushed corals as substrates but now want to switch to sand. My tank is the fluval 13.5. Can I just dump all the crushed corals in the back chamber and use it as biomedia? It is currently just filled with aquaclear's biomax and original sponge.
I was thinking of getting marinepure, but I think I rather get something cheaper and not that easy to be crushed.
I was thinking of getting marinepure, but I think I rather get something cheaper and not that easy to be crushed.