Hello Lilia You can always go out and buy smaller gravel and add a thin layer over the larger stuff. Or just buy big cichlids for this tank!!!! Just kidding there. Better to add the gravel now before you have all the fish in there breeding. John ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!