African Cichlid 55 Gallon Mbuna "Reef" Tank - YouTube
Freshwater Substrates - CaribSea
African cichlid update black sand substrate - YouTube
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Fish Profiles - African Cichlids | My Aquarium Club
Freshwater Substrates - CaribSea
The Tech Den - Cichlid Tank - White sand, white rock - boring. Try a little Carib Sea Zac Black or Carib Sea Shelf Rock. Both help with your pH and look