Dennerle Crystal Quartz Gravel Dark Brown 10kg Fertiliser 7x colour coded rings

7x colour coded rings

including:

Aquarium Soil is further an active bottom layer that lowers the pH value and slightly affects the water chemistry

natural colouring

With a tailored mineral mix and black colour finish

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 &