[ChadC]

I’m doing my first aquascape, and my substrate goes from 2 inches in the front to 5 inches in the back. I know compaction and gas buildup is an issue with some substrates. Will it be an issue with this type of substrate?

 

[Econde]

I don't have experience with controsoil. I think this might help.
https://www.2hraquarist.com/blogs/substrates-overview/how-to-create-and-manage-slopes

 

[ChadC]

Thank you! That is an excellent article and helps a ton! It tells me all I needed to know. Much appreciated!