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7x colour coded rings
natural colouring
Aquarium Soil is further an active bottom layer that lowers the pH value and slightly affects the water chemistry
Monitor and adjust the right CO2 levels in your tank
energy-saving operation
Dennerle Crystal Quartz Gravel Dark Brown 10kg Fertiliser 7x colour coded ringsQuartz Gravel Dark Brown Dennerle Crystal Quartz Gravel is a highly attractive, rounded, inert gravel suitable for all tropical and coldwater aquariums. Features: Free of any hardeners. CO proof. Light resistant. Water neutral, will not affect your pH levels. Grain size 1 2 mm. Rounded edges safe for bottom dwelling fish. Suitability: Aquascapes. Tropical and coldwater aquariums. Terrariums and vivariums. Water features. Potted Plants. Vases. Crafts &
