Review on π RZ Aquariums Salinity Refractometer: Accurate Dual-Scale Hydrometer for Marine Fish-Keeping, ATC Function, Saltwater Tester 0-100ppt & 1.000-1.070 Specific Gravity by Justin Sherman
Precision that won't break the bank
Great tool. reads exactly. simply calibrated. Comes with a great protective case to keep it safe when not in use, as well as a small screwdriver for calibration and a dropper for your samples. My only criticism would be that it's too dark. I have to hold the glass almost directly up to the light source to see it really clearly, but if you stand next to an open window during the day everything is fine. At night there is not enough ambient light in the room and it makes what you see appear dark. The rest works great!
- Handy item
- So far, so good
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