sand and gravel??

[scalesandfins]

ha well if you do let me know
i hear some pfs is darker or black mixed so i am goin to search around

 

[ringoyam]

yeah my freind did it it looked pretty messy

 

[Aquanero]

I had natural gravel in one of my tanks and left some in, once I added PFS mixed with some TMS it looked really nice and left it that way. Kind like a natural river bed.

 

[scalesandfins]

any pics? im interested to see what the pfs and tms look like mixed