Seachem Meridian Size:20lb Only LRS takes these extra

Only LRS takes these extra steps to eliminate this waste which often goes uneaten in your aquarium and can spike your nutrient levels

Testing your aquarium water has never been so easy or accurate

while bioactive enzymes assimilate nitrogen from the water column

Ditch the Old Rock Pile and Take Your Scape to the Next Level

Formaldehyde will cause damage to gills and internal organs

Seachem Meridian Size:20lb Only LRS takes these extraNatural oolitic aragonite for all types of marine, reef, and tropical aquaria Assists in stabilizing calcium and alkalinity Helps prevent large pH declines Meridian 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