Dennerle Crystal Quartz Gravel 10kg at a glance
-Crystal Quartz aquarium gravel
-Perfect bio function and CO2-proof: supports the supply of CO2 and promotes the growth of aquarium plants
-1-2mm grains: offers optimal filtering effect
-Light-resistant: does not fade in the light
-Natural, durable colour pigment: no chemical additives to contaminate the water
-Free from hardeners
-Water neutral formula: will not affect the water values
-No washing required: can be used directly from bag and will not stain
-Decorative: available in Roe brown and -Diamond black
-Contents: 10kg