So what are my best options in substrate on a planted tank i want it to be sand but a faily decent grain maybe 2mm or something and also want it to be black, i have cories so needs to be sand.
So what are my best options in substrate on a planted tank i want it to be sand but a faily decent grain maybe 2mm or something and also want it to be black, i have cories so needs to be sand.
I don't know about "best", but fluorite is easy to use and my plants do fantastic in it. Dirt is great but not for people like me who do a lot of rearranging.