I received my ATI ICP test results back and am shocked to find that my Alkalinity and Phosphate/Phosphorus were so wildly different.
Alkalinity:
ATI ICP - 7.18 dkh
Hanna Checker - 8.2 dkh
Phosphorus:
ATI ICP - 40.32 ug/l phosphorus and .12 mg/l phosphate (ug/l to ppm is 0.0403)
Hanna Checker -...
Mail-In and ICP Testing: Which Service is Right for You?
There are 4 major water testing labs specializing in saltwater analysis: ATI Lab, Aqua Medic AWT, ICP-Analysis.com, and Triton Lab. We sent identical water samples to each and discuss our test results in this comprehensive review.