Eco Complete African Cichlid Sustrate which it appears is available in both gravel and sand form.
Aragamax Grand Bahama Sand which can be used in marine, reef or African cichlid tanks.
Caribsea African Cichlid Mix
African "Ivory Coast" Aquarium Gravel
Rift Lake Authentic Gravel
I'm sure there are probably more out there. One thing I have read though concerning he Aragonite Sand is that white substrates tend to mute and dull the color of cichlids. I don't know how true that is though.
Aragamax Grand Bahama Sand which can be used in marine, reef or African cichlid tanks.
Caribsea African Cichlid Mix
African "Ivory Coast" Aquarium Gravel
Rift Lake Authentic Gravel
I'm sure there are probably more out there. One thing I have read though concerning he Aragonite Sand is that white substrates tend to mute and dull the color of cichlids. I don't know how true that is though.