Natural gravel in a warm ocher hue (Ø 0 - 2 mm) designed for all types of freshwater and marine aquariums sera Gravel Ocher is resistant to CO2 and does not alter water chemistry, ensuring it remains neutral and does not affect water clarity. With its grain size of 0 - 2 mm, it provides an excellent substrate for plant growth. Its rounded grains make it ideal for housing bottom-dwelling species like catfish. Evaluated by an independent institute in accordance with DIN 38415-6 / EN ISO 15088, sera Gravel Ocher is certified free from pollutants, making it a safe choice for keeping and breeding delicate aquatic animals.

This premium gravel is perfect for use in Aquarium Fish Tanks and Vivariums. Additionally, it serves as a fantastic material for hobbies and crafts, and is suitable for general gardening applications—great for enhancing the look of plant pots. 6-9mm (gravel) Packaged in a 10kg bag FORMULA FOR CALCULATING REQUIRED GRAVEL PER TANK To determine the amount of sand or gravel needed to achieve a Two Inch (2") depth in your Fish Tank, please follow this formula: 1) Multiply Tank LENGTH by Tank WIDTH (in inches). For instance: 47" Inches x 19" Inches = 893 2) Divide the result by 10. For example: 893 / 10 = 89.3 3) Convert to KG (Kilograms) by dividing the 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 = 30 kg 100cm / 3.3ft TANK = 35 kg 120cm / 4ft TANK = 40 kg These figures are estimates, and you may prefer a thicker or thinner layer of gravel depending on your design preferences.

Natural Color Stone Semi-Rounded Soil XF20106A in Black, 2-4 mm, 10 kg This premium natural soil is perfect for enhancing the beauty of aquariums, paludariums, and terrariums. Featuring a sleek black hue, it effortlessly complements any aquatic or terrestrial setup. Grain size: 2-4 mm. Total weight: 10 kg.

Natural Color Stone Soil XF20106C Gravel Semi-Rolled. Black (4-6mm) 10 kg