A Anonymous Guest Sep 26, 2001 #1 Mine are at 8-9 degrees KH. What is best? I've forgotten. thanks, brian
L Len Advanced Reefer Rating - 0% 0 0 0 Sep 26, 2001 #2 Generally accepted value is between 7-10 dKH. NSW is about 2.5 meq/1 = ~7 dkH. 1 dKH = 0.357 meq/l