On 29/03/2012 17:23, rader at hep_wisc.edu wrote:
Carlo, The standard dropchecker recommendation seems to be to use a 4 dKH reference solution so "perfect green" indicates 30 ppm CO2. But when I plug that value and +/- 2.5 into your calculator at http://dropcheck.petalphile.com/ I get an error/warning msg that doesn't make sense to me...
I use this CO2 graph. http://www.theaquariumwiki.com/CO2 A bitmap and Excel sheet version I put together. -- Stuart Halliday http://mytriops.com/ 200 Million years in the making... _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://mailman.actwin.com/mailman/listinfo/aquatic-plants