Seachem Meridian Substrate FishLFBrand_Coralife Coralife’s Turbo Twist UV Sterilizer

Coralife’s Turbo Twist UV Sterilizer Lamp emits UV-C rays that control and kill single-cell algae

while improving water quality

Features a smaller kibble size

5 mg/L in marine or freshwater

Seachem Meridian Substrate FishLFBrand_Coralife Coralife’s Turbo Twist UV SterilizerMeridian 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