Dennerle Crystal Quartz Gravel Diamond Black 5kg

Dennerle Crystal Quartz Gravel is a highly attractive, rounded, inert gravel suitable for all tropical and coldwater aquariums. It can either be used on its own or as a top dressing with Dennerle Deponit Mix or NutriBasis plant nutrient substrate. Available in 5kg and 10kg bags across 5 popular colours.