Sean wrote: >Why not cut slots or drill holes in the acrylic sheet > to allow the water to exchange freely. The problem is making the holes/slots to small for the fry to pass through. And you will go through a lot of small drill bits in doing this with acrylic. The other option is to make a sandwich in acrylic with a large hole in the centre of each sheet. Place fine netting in the middle and seal with solvent adhesive. Then let it cure for 24 hours. Scot ________________________________________________________________________________ This message has been checked for all known viruses by the Star Screening System http: //academy.star.co.uk/public/virustats.htm ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!