Quote Originally Posted by JimK View Post
I'm wondering if the 300 ppm is simply the normal range of error. I think I remember years ago being told by the pool store that installed our system (I was having them test salt back then; they were using the Taylor kits) that it was normal to see a variation of 200 ppm or 300 ppm.
I found an old post somewhere else made by waste that said the moa was 500 on this test (even with the 1766). I think you're probably just fine