Hi Paul & All Your plan has taken some thought and I can see that you can get equal dosage. Unfortunately, many are not so careful. i know of at least 2 larger(than me) operators who have suffered severe(one permanent blindness) injury with pails of formic & pads where they dumped several litres of acid on 100 or so pads thinking they will each absorb their 50ml Bob Darrell Caledon Ontario Canada 44N80W *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html