Donald Potts potts at
Tue Apr 27 11:41:27 EDT 1999

Dear Laurie,

In addition to Alizarin Red S, people have also used the antibiotic
tetracycline which also acts as a vital stain that is incorporated in
skeleton as it is being precipitated. It fluoresces bright yellow under UV
light, I've had success with tetracycline sold in tropical fish stores

Don Potts

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