Sep 29, 2018 #21 OP OP Stanzo13 Active Member View Badges Joined Sep 23, 2018 Messages 332 Reaction score 184 Rating - 0% 0 0 0 So I got a red Sea test kit, here's the numbers, calcium 420, mg 920, dks 9.5 and my refractometer says 1.025
So I got a red Sea test kit, here's the numbers, calcium 420, mg 920, dks 9.5 and my refractometer says 1.025