Aquarium Substrate

[cooper1973]

can anyone point me in the right direction for some plant substrate but want one that i can top with sand.

 

[aaronnorth]

JBL Aquabasis+
Tropica clay substrate

 

[cooper1973]

can these be topped with sand. as one does say top with gravel??

 

[RadaR]

Both should be topped with sand or gravel with a grain size 2-3mm for best results.