Dennerle Crystal Quartz Gravel Diamond Black 5kg Pond Maintenance This clever unit uses Oase's

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

Fluval BIO-FX Premium Biological Filter Media 5L

PondXpert Greenstop 9000 Pond UV Steriliser 18w

1 x Filter Lid O-Ring

Complete setup including premium quality Fluval filtraton

Dennerle Crystal Quartz Gravel Diamond Black 5kg Pond Maintenance This clever unit uses Oase'sDennerle 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,