Just posting numbers from a recent oceamo icp test compared to my hanna equipment taken same time. Sample took 8 days to be tested. Didnt realized my mag and calcium reagent were expired at the time. Not an insane deviation despite there bad reps being so past due.
Nitrate - 8.18 mgl (Hanna 10.4 ppm)
Phosphate 0.015 mgl (Hanna Ulr 0.02)
Alk - 8.73 mgl (Hanna 8.8)
Calcium - 441 mgl (Hanna 476 - 9 month expired )
Mag - 1285 mgl (Hanna 1200 - 3 month expired)
Salinity - 35.3 (apex 34.8 , TM hydrometer 35.13-35.26 ish)
Nitrate - 8.18 mgl (Hanna 10.4 ppm)
Phosphate 0.015 mgl (Hanna Ulr 0.02)
Alk - 8.73 mgl (Hanna 8.8)
Calcium - 441 mgl (Hanna 476 - 9 month expired )
Mag - 1285 mgl (Hanna 1200 - 3 month expired)
Salinity - 35.3 (apex 34.8 , TM hydrometer 35.13-35.26 ish)
