Natural anthracite gravel (Ø 1 - 3 mm) suitable for both freshwater and marine aquariums sera Gravel Anthracite is resistant to CO2 and has a neutral effect on water, meaning it doesn’t alter water parameters or discolor the water. With its grain size of 1 - 3 mm, it provides an excellent environment for plant growth. Its rounded grains make it ideal for bottom-dwelling fish such as catfish. Independently tested according to DIN 38415-6 / EN ISO 15088, sera Gravel Anthracite is confirmed to be free of pollutants, making it safe for housing and breeding delicate species.

Natural beige gravel (Ø 2 - 4 mm) ideal for both freshwater and marine aquariums sera Gravel Beige is designed to be CO2 resistant and has a neutral impact on water quality, ensuring it does not alter water parameters or discolor the water. With a grain size of 2 - 4 mm, it provides an excellent environment for plant growth. Its rounded grains make this natural gravel perfect for accommodating bottom-dwelling fish species like catfish. Certified by an independent organization according to DIN 38415-6 / EN ISO 15088, sera Gravel Beige is confirmed to be free from pollutants, making it suitable for housing and breeding sensitive aquatic species.  

Natural beige gravel (Ø 2 - 4 mm) suitable for all freshwater and marine aquariums sera Gravel Beige is resistant to CO2 and does not affect water quality, meaning it won’t alter water parameters or discolor the water. With a grain size of 2 - 4 mm, it provides an excellent substrate for plant growth. Its rounded grains also make it ideal for bottom-dwelling fish species like catfish. Certified by an independent organization according to DIN 38415-6 / EN ISO 15088, sera Gravel Beige is confirmed to be free from pollutants. This makes it a great choice for housing and breeding sensitive aquatic species.

These hand tweezers feature a straight tip and are crafted from ultra-fine stainless steel, measuring 27 CM in length. They offer exceptional flexibility and are guaranteed to never rust. Lightweight and built to last. Easy to use and incredibly convenient.

Natural white gravel (Ø 1 - 3 mm) suitable for all freshwater and marine aquariums sera Gravel White is resistant to CO2 and has a neutral effect on water, meaning it does not alter water parameters or discolor the water. With a grain size of 1 - 3 mm, it provides an excellent environment for plant growth. Its rounded grains also make it ideal for bottom-dwelling fish species, such as catfish. Evaluated by an independent institute according to DIN 38415-6 / EN ISO 15088, sera Gravel White is certified as pollutant-free, making it safe for the care and breeding of sensitive aquatic animals.

These hand tweezers feature a straight tip and are crafted from ultra-fine stainless steel, measuring 27 CM in length. They offer remarkable flexibility and are designed to never rust. Lightweight and durable. They are simple to use and incredibly convenient.

Natural white gravel (Ø 1 - 3 mm) suitable for all freshwater and marine aquariums sera Gravel White is resistant to CO2 and does not affect water chemistry, meaning it maintains the original water quality without altering its color. With a grain size of 1 - 3 mm, it provides an excellent environment for plant growth. Its rounded grains also make it ideal for keeping bottom-dwelling fish, such as catfish. Independently tested and certified according to DIN 38415-6 / EN ISO 15088, sera Gravel White is confirmed to be free of pollutants. This makes it a safe choice for housing and breeding delicate aquatic species.

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