Berglund:Worm Fix

Materials
70% ethanol 10% phosphate buffered formalin 4g	NaH2PO4*H20 6g	Na2HPO4 100ml	40% formaldehyde 900ml	sea water or distilled water

Methods
Soon after collecting the worm (the fresher the better, alive is good too)
 * 1) wash it off
 * 2) Take tube of 10% phosphate buffered formalin
 * 3) Place worm into tube (straight up and down if you can)
 * 4) allow to sit at room temperature for 2 days (48hrs)
 * 5) remove worm from tube
 * 6) place worm into new tube that is empty
 * 7) add 20ml (volume with worm) of 70%ethanol
 * 8) gently revolve the worm in the ethanol until it is rinsed off
 * 9) dispose of ethanol, repeat two more times
 * 10) place worm into new tube, add 70% ethanol to top.
 * 11) that's it.