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DENNERLE GREY QUARTZ
Kg.5
Dennerle quartz gravel is a classic in the range – for many decades one of the best gravels you can use in your aquarium. The excellent appearance and the perfect biological function of the gravel, which does not harden the water, are probably unique in this combination. It is lightfast and CO2-resistant, can be used over and over again and retains its colour even after years. Thanks to the iron oxide colouring, the quartz gravel is water-neutral and guaranteed free of harmful substances. The grain size of 1 – 2 mm is suitable for bottom-dwelling fish and reduces the risk of contamination in the gaps. The fine quartz gravel is also very suitable for plants with fine roots. The use of rounded grains significantly reduces the risk of injury to aquarium animals. The very small gaps that do exist offer a perfect settlement area for important bacteria. Dennerle quartz gravel does not require pre-rinsing (except for the natural white colour).
Crystalline quartz gravel for freshwater aquariums
Natural appearance
Free from harmful substances
Protection for bottom-dwelling fish thanks to rounded edges (grain size 1 – 2 mm)
Lightfast
CO2
resistant and neutral with respect to hardness
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