Aquarium gravel okay to use in place of sand ?

  • We are currently upgrading MFK. thanks! -neo
Not all peacocks like open water..some are cave dwellers. My peacocks/haps spit the sand on the rock piles...which are not near the intakes.
 
As for substrate I currently use black blasting sand in one African cichlid tank and One of the Carib Sea cichlid blends in another. Both have created zero problems. Honestly I think it comes down to what you find aesthetically pleasing. I have watched numerous videos of Lake Malawi fish collection and some areas are sandy with bits of shells others are more gravel like.

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