Dennerle Crystal Quartz Gravel Diamond Black 5kg Global recommendation Contains 100 ml bottles of

Contains 100 ml bottles of Seachem Flourish Nitrogen

it may exceed 20 mg/L

gravel filters or small skimmers

Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia

The elegant and low profile design of the slanted diffuser makes it ideal to minimize the visibility and intrusiveness of the CO2 injection system on planted tanks

Dennerle Crystal Quartz Gravel Diamond Black 5kg Global recommendation Contains 100 ml bottles ofQuartz Gravel Diamond Black 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.