Thanks guy's and girls,am going to dose at 200mg per 10 gal. Big water change in between doses? Vern let me know if you want to dose your tanks,as i said I've got enough here to do the van.aquarium :) gimme a call by 7 or so. reasurring advice,thank you!! Steve van.bc ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!