Can be mounted in Hoyer’s medium and in glycerol.

Article Molecular and morphological analysis of an Antarctic tardigr...

Mohammod Hossain okay thank you, ill give it a read

Placing tardigrades in anoxybiosis, a death like state when no oxygen is present; Put a number of tardigrades into a small vial, fill the vial with water, and then seal it; After a few hours tardigrades will appear bloated and motionless; a specimen can then be placed on a slide and covered with a cover slip; use Vaseline or a similar substance on the corners of the cover slip to keep from squishing the animal; now examine the animal and make a detailed drawing; when you are finished the animal can be returned to a culture dish, where it will return to its original state. For more detail: https://sun.iwu.edu/~tardisdp/sdp_protocols.html

Thank you will try following this :)