Check out newest episode of our Diver’s Den® Aquatic Insider featuring Eric Radi! This episode covers refractometer calibration tips utilizing the Two Little Fishies AccuraSea Seawater Reference Calibration Solution, a standardized reference solution with a conductivity of 53.0 milliseimens. [ Ссылка ]
Please Subscribe or Leave a Comment.
![](https://s2.save4k.ru/pic/ZRfnT4vabn0/maxresdefault.jpg)