Black and White Speckled Pebbles Size:2kg it helps maintain the calcium

it helps maintain the calcium and alkalinity levels required in a reef aquarium while providing biologically appropriate levels of other elements and trace minerals

Turn off UV filters and ozone filters

Pour medicated water from bucket into the inlet of the pond

it does not discolour aquarium water or damage the filter bed

Black and White Speckled Pebbles Size:2kg it helps maintain the calciumBlack and White Speckled Pebbles Black and White Speckled Pebbles are used as a natural bottom substrate for aquariums, requiring thorough washing before use and a recommended layer thickness of 3 to 10cm. Premium aquarium gravel is a natural bottom for your aquarium. Clean with lukewarm water before use. Cover the bottom with a 3 to 10cm thick layer. Allow the gravel to move to the back. This ensures that the dirt will always collect at the front of