Natural Color Volcanic Substrate Black 2-4mm 5kg collection_Dog/Dog Clothing & Accessories/Warm Dog Coats & Dog Winter Jackets The large sized mattress is

The large sized mattress is great for medium / large breed dogs and can be easily moved around your home

Power: 30w

Extra Large - 90 x 71 x 22

see our blog: What is Pond Sludge and How Can I Control it

Natural Color Volcanic Substrate Black 2-4mm 5kg collection_Dog/Dog Clothing & Accessories/Warm Dog Coats & Dog Winter Jackets The large sized mattress isThis ceramic soil substrate is perfect for aquarium planted tropical fish tanks. Plant roots easily penetrate and spread throughout the substrate. Size: 2 4mm Colour: Volcanic Black Material: Ceramic Aquarium substrate for aquarium plants Good water and air penetrability Great substrate pebble for aquarium fish tank Supplied in 5kg bag FORMULA FOR CALCULATING REQUIRED SUBSTRATE GRAVEL PER TANK To work out how much sand or gravel you'll require to