Dennerle Crystal Quartz Gravel Diamond Black 5kg Pond Maintenance 1 x Filter Lid O-Ring

1 x Filter Lid O-Ring

This clever unit uses Oase's patented Seasonal Flow control (SFC) to intelligently regulate the water flow and pump head

Sold in a bulk pack of 10 blister packs

Scatter for simple dosage

Complete setup including premium quality Fluval filtraton

Dennerle Crystal Quartz Gravel Diamond Black 5kg Pond Maintenance 1 x Filter Lid O-RingDennerle Crystal Quartz Gravel (5kg) Diamond Black Dennerle crystal 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 perfect biological function of the Dennerle crystal quartz gravel, which does not harden the water, are probably unique in this combination. Dennerle Crystal Quartz Diamond Black Gravel is lightfast and CO2 resistant, can be used again and again,