Thank you for visiting MagPi Enterprise LLC, also known as Mag314Tech. We specialize in high-quality fluorescent calibration standards and innovative solutions for both environmental and industrial fluorometers. With over three decades of industry experience, our team provides exceptional customer support and expert guidance on PTSA and Rhodamine WT calibration for water quality testing. Explore our extensive range of accessories and calibration solutions tailored to your specific application needs. We look forward to assisting you in achieving optimal performance for your water testing requirements!