Dennerle Crystal Quartz Gravel Diamond Black

Natural-looking black gravel for freshwater aquariums

At a glance...
  • Rounded grains protect bottom feeders
  • Does not affect water parameters
  • Available in 5kg or 10kg bag
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What is Dennerle Crystal Quartz Gravel Diamond Black?

Dennerle Crystal Quartz Gravel Diamond Black is a natural-looking black gravel suitable freshwater aquariums. This substrate can be layered with plant substrate or even used with other gravel to highlight specific areas or decorations in aquascaping.

This gravel is also available in Dark Brown, Natural White and Roe Brown.

Key features:

  • 5kg or 10kg bag
  • Colour won’t fade over time
  • Suitable for bottom feeders
  • Natural-looking gravel
  • Suitable for all freshwater tanks
  • Doesn’t affect water parameters
  • Can be used alone or with other substrates
  • Lightfast, so will not change its colour when exposed to light
  • Resistant to CO2

What are the benefits of this gravel?

The water values of your tank will not be affected due to the gravel being hardness-free and water-neutral. The dark shade of the gravel creates a feeling of security and safety for your fish meaning they will shine and form amazing colours.

Due to its round edges it will make a perfect addition to any tank with any bottom feeders such as catfish as their sensitive barbels will not be injured.

The 1-2 mm grit size benefits the tank as it offers an optimal settlement area for the useful cleaning bacteria. 

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