bAsEd on ExpEriEncE lng sEr ha... nAkO 3years nah nAh sea.sand in a cichlids tank...
after 3years g.tamtan ug fresh water aquatic plants (cabomba)... after a week... nag.itom-itom ang leaves...
meaning acidic japon ang sand...
but try lng ser... experiment... gawas tseguro ug pa.bukalan nemu ang sands...
mawala tseguro ang calcium/acidic content sah sand... try it... update us unya...