Custom aquarium installation and aquarium cleaning service available.

Only 4 left!

Refractometer with LED

$57.20
We will be shipping live Fish and coral only on Monday and Tuesday of each week.

For measurement of salinity in Seawater with LED for easier reading

Simply calibrate the refractometer, add a couple drops of aquarium water to the refractive prism and stare into the eyepiece like a pirate to get the salinity reading.