sera Gravel Blue 2-3 mm 3,000 ml - Blue Coloured Gravel (Diameter 2-3 mm) for All Freshwater and Saltwater Aquariums

• The gravel is CO2 resistant and water neutral, meaning it does not affect the water values and does not colour the water
• Thanks to the rounded grit, it is suitable for keeping bottom fish such as catfish who continuously search for food
• The optimal amount of gravel can be determined as follows:
• A (cm) x W (cm) x C (cm) / 1000 = number of litres of sera gravel
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product Description Blue coloured gravel (diameter 2 - 3 mm) for all fresh and salt water aquariums. The Sera Gravel Blue is CO 2 resistant and water-neutral, meaning it does not affect the water values and does not colour the water. Due to the grain size of 2 - 3 mm, plants can grow well. Thanks to the rounded grain, the colour gravel is also suitable for keeping ground fish such as catfish. Sera Gravel Blue is tested by an independent institute according to DIN 38415-6 / EN ISO 15088 and has been proven free from harmful substances, so it is also suitable for the keeping and breeding of sensitive animals. Directions Adults 18 years and older: This product is to be used once a day (every 24 hours), every day for 14 days. It may take 1 to 4 days for full effect, although some people get complete relief of symptoms within 24 hours Box Contains Aquarium Gravel 3 Litres