dookie Candiru MFK Member Apr 23, 2005 942 15 48 Hong Kong Nov 23, 2010 #11 heat salt and formalin should do the trick.
rayrayray Gambusia MFK Member Mar 16, 2009 506 10 18 uk Nov 26, 2010 #12 Esha exit is fine with rays.Have used it in the past with no effect to the rays what so ever.
