Greg & Bill-- I bought test strips from the Ben Meadows Co. came up with these readings , Hardness-PPM80---GPG5---DH5---PH6.---Alkalinity between 0&80---but don't really know if this is good water---Pond is 7.5' at the deepest apprx. 2.5 acres.Have T-Shad-Bluegill-Readear-C-Cat-Bass-I know It's a no no but put in 300 B-Crappie in October,but were just 3" {10 Grandkids} im sure not to many survived . Any help on the water quality THANKS HARVEY