Do the 50 ml tubes fit?

The blocks are not included with this dry bath and must be purchased separately. A corresponding block(s) can be purchased separately for use with 50 ml tubes. The sku for the 50 ml tube compatible block is BSW50. This and other compatible blocks for this item can be seen in the related products section of this page. Please note, certain blocks are considered tall blocks and will prevent use of the unit with the lid.