Seachem Meridian 3.5kg wood Silent Air 4000: 360 L/h

Silent Air 4000: 360 L/h output

protein films

for example 90 x 60 cm

adjustable flow output

The open structure allows optimal rooting of the plants and water penetration

Seachem Meridian 3.5kg wood Silent Air 4000: 360 L/hMeridian 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,