Seachem Meridian Substrate Brandspage_Aqueon Stays free of debris

Stays free of debris

and foraging treats

Blend of natural ingredients including sage

25" Ball Launcher

Synthetic granular ferric oxide (GFO)

Seachem Meridian Substrate Brandspage_Aqueon Stays free of debrisMeridian is an all natural oolitic (spherical or egg shaped) aragonite substrate for all reef and marine aquaria. Meridian is the premium aragonite substrate for the reef aquaria. It's grain size (a fairly uniform 0. 25 0. 50 mm) is ideally suited to reef inhabitants and it's chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Unlike competing "wet" products marketed under the guise of being