Live Rock and oyster shells

[joepino]

Nice stuff I'm using the same that I made in my tank but could use a bit more. Where are u located?


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[hillegom]

If you want to cure DIY rocks easily, place them in your toilet tank. Always new water, so lowering the ph is sped up

[videosilva]

Yep, dried cement for my tank. Not like cement dissolves over time especially in water and to boot salt water.

Who in the hell came up with that idea of adding cement to the tank ?