A Good sign that CO2 is up around 40 ppm or higher is when the shrimp all hang out up at the surface :-( I think it has to go even higher to kill them. Scott H. --- Max Chang <cpc1007@yahoo.com> wrote: > Randy, > I once accidently killed some of my Amano shrimps by > adding in too much CO2. But I am not sure if it's > because the CO2 itself or it's because the dramatic > decrease of PH (I was using very soft water at that > time). > ===== - - - - - - - - Field Trip to the Baltimore Aquarium and The Aquarium Center First event of the AGA Annual Convention Nov 12, 13 & 14; Details & Registration at www.aquatic-gardeners.org & www.gwapa.org __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.sweepstakes.yahoo.com/careermakeover ------------------ To unsubscribe from this list, please send mail to majordomo@thekrib.com with "Unsubscribe aga-member" in the body of the message. Archives of this list can be found at http://lists.thekrib.com/aga-member/