Has anyone done the DIY service kit or send in option, for their trident and if so did you notice any difference in readings? If it working would you send it in for preventative maintenance anyways? I bought mine used, obviously don’t know how it was operated before and if it was taken care, it has been setup for probably 8 months and other than an initial no water sample haven’t had any issues with it. I believe it reads accurate, it generally is within .3 or so of my Hanna kh.
