Dupla quartz gravel

Dupla Ground color Black is a fine natural substrate with a grain size of 0.5-1.4mm. Dupla Ground color is pH neutral, CO2 and medication resistant an...

Dupla Ground color Mountain Grey is a fine natural substrate with a grain size of 0.5-1.4mm. Dupla Ground color is pH neutral, CO2 and medication res...

Dupla Ground colour Snow White is a fine natural substrate with a grain size of 0.5-1.4mm. Dupla Ground color is pH neutral, CO2 and medication resist...

Dupla Ground colour Brown Earth is a fine natural substrate with a grain size of 0.5-1.4mm. Dupla Ground color is pH neutral, CO2 and medication resis...

Dupla Ground color River Sand is a fine natural substrate with a grain size of 0.4-0.6mm. Dupla Ground color is pH neutral, CO2 and medication resista...

Dupla Ground color Midland Sand is a mix of fine sand with small natural pebbles. The grain size is 0.4-8.0 millimeters. Dupla Ground color is pH neut...