Volcanic gravel (100 gr)

Quantity: 100 tubes: Deposit: 1.5ml Colour: It can vary between Transparent White, Green or Pink depending on the availability of the provider. It is a perfect tube to have samples, these tubes are known as eppendorf tubes. Smaller and more resistant test tubes especially for the micro centrifuge, but in reality it is used in many research fields, one of these fields is myrmecology.