digital refractometer

Livestock is gone so now time to sell the rest Everything for $500.00 or reasonable offer (not selling things individually) Tank 2ft x 2ft x 2ft (rimless 1/2" glass) No scratchies White stand and one white cabinet for electrical Acrylic sump Vertex RODI 150 GPD with booster pump (1...

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I already own a delicate, glass hydrometer from Dupla. Plan on buying a digital refractometer, the Hanna one specifically. Should I own a handheld refractometer to double check the digital refractometer? The Vee Gee STX-3 is a bit of an investment, but I can't doublecheck with the hydrometer...

Good afternoon, I’m looking for the best long term choice for salinity readings. I don’t mind paying up to $200 if it means I’m getting as close to “precise” as possible readings because that way I can get closer to point of stability. •Is this the top of the line for refractometers¿ And is...

I want to get into the habit of checking my salinity more often. The issue is using a salinity measuring tool that I can trust, and rely on without having to tinker with it every time. An analog refractometer requires quite a bit of tinkering and cleaning for one measurement. The Hanna Salinity...

Asking $75 plus shipping. I am selling a barely used Milwaukee Digital Refractometer with the hard case and extra calibration fluids.

http://aquanerd.com/2018/03/a-look-at-the-icecap-digital-pocket-tester.html