Split aquarium rock

[Young Frankenstein]

Just splited some rock, on the outside it looks clean, inside the denitrefier bacterial are black in colorand survived muriatic acid and chlorine

 

[saltwaternoob]

Can't say I have seen that.

 

[revsgirl]

:bump2:

 

[bige]

How do you know what it is? Does it feel different?

 

[Ladybug5234]

I was just thinking about doing something similar with my Figi rock. I want it to fit around my overflow. But I wonder if it can fall apart on me. Also, what can I use to cut it?

 

[strange33w]

you can cut it with a hacksaw depending on how hard the rock is.