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• Light-resistant
for example 90 x 60 cm
Silent Air 4000: 360 L/h output
Dimensions L23cm x W6
Seachem Meridian 3.5kg wood • Light-resistantMeridian 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 its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Setup Although it is pre washed, because Meridian is a natural product,
