Test plates
Advantages:
A lid with air ventilation system ensures controlled gas exchange with low evaporation
The ventilated base of the tile ensures air flow between the arranged tiles to the stack to prevent condensation
The cut edge of the lid allows it to be placed on the plate in only one position
Yellow field for description
Active growth surface only on the spherical zone of the hole
Crystal clear transparency
Black, alphanumeric marking for quick identification of holes
The transparent, alphanumeric marking between the holes facilitates orientation when watching tiles under a microscope.