This high-quality gravel is ideal for using in Aquarium Fish Tanks and Vivarium's. It is also an excellent hobby and craft material, and can be used for general gardening purposes - ideal for brightening up plant pots. 4 - 6mm (gravel) Supplied in 5kg, 10kg, 20kg, 30kg, 40kg and 60kg packages (please select) FORMULA FOR CALCULATING REQUIRED GRAVEL PER TANK To work out how much sand or gravel you'll require to achieve a Two Inch (2") Gravel depth in your Fish Tank please use the following formula: 1) Multiply Tank LENGTH by Tank WIDTH (in inches) For example: 47" Inches x 19" Inches = 893 2) Divide the answer by 10. For example: 893 / 10 = 89.3 3) Convert to KG Kilogrammes by dividing answer by 2.2. For example: 89.3 / 2.2 = 40.5 KG REQUIRED GENERAL GUIDELINES FOR 2" GRAVEL DEPTH 60cm / 2ft TANK = 25 kg 80cm / 2.6ft TANK = 30kg 100cm / 3.3ft TANK = 35 kg 120cm / 4ft TANK = 40 kg These are approximates and of course you may want to have a deeper or thinner layer of gravel. BOX CONTAINS Mixed Sweeties Aquarium Gravel 4-6mm 5KG

Gravel Size 4-5mm Supplied in 5KG Bag. Fish Tank Friendly. High Quality Aquarium Gravel.