Testing Honey Moisture Content
Here is the link to where I purchased the refractometer, it is pricey but very convenient:

https://www.itm.com/product/atago-pal-22s-digital-handheld-honey-refractometer?gclid=EAIaIQobChMIpuC-s9Hf4wIVjpOzCh1zZwOyEAYYAiABEgKfS_D_BwE