RETK-77 Salinity 0-10% Refractometer ATC Dual Scale (1.0 to 1.070 Density / 0-100ppt) Sea Water Tank
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$31.70
Color
Black
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Description
This is a true seawater or a salt (brine) refractometer preferred by the aquarist. Designed to measure seawater (marine aquaria) or very low concentrated salt solutions
It can be generally calibrated by fresh water but to ensure accurate sa...