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Hydrometers & Refractometers

Hydrometers & Refractometers

Hydrometers and refractometers are instruments used to measure the specific gravity of your saltwater or the ratio of the density of the liquid to the density of the water. Bulk Reef Supply carries the Red Sea Hydrometer with Integrated Thermometer and the Milwaukee Digital Seawater Refractometer.

10 Reviews

Tropic Marin
High Precision Hydrometer - Tropic Marin
$34.69
Earn 34 Reward Points
$34.69
$Refractometer for Reading Salinity with Calibration Fluid - Bulk Reef Supply$

Bulk Reef Supply
Refractometer for Reading Salinity with Calibration Fluid - Bulk Reef Supply
$34.99
Earn 340 Reward Points Earn 170 Reward Points
$34.99

Add to Cart
$LED Refractometer for Reading Salinity with Calibration Fluid - Bulk Reef Supply$

1 Review

Bulk Reef Supply
LED Refractometer for Reading Salinity with Calibration Fluid - Bulk Reef Supply
$39.99
Earn 390 Reward Points Earn 195 Reward Points
$39.99

Add to Cart
35 Reviews

Hanna Instruments
HI98319 Marine Salinity Tester - Hanna Instruments
$69.00
Earn 69 Reward Points
$69.00
$BRS Refractometer Calibration Fluid 60 ml / 2 fl. Oz.$

8 Reviews

Bulk Reef Supply
Refractometer Calibration Solution - Bulk Reef Supply
$6.99
Earn 60 Reward Points Earn 30 Reward Points
$6.99

$ma887 milwaukee refractometer - top$

122 Reviews

Milwaukee Instruments
MA887 Digital Seawater Refractometer - Milwaukee
$124.99
Earn 1,240 Reward Points Earn 620 Reward Points
$124.99
4 Reviews

HM Digital
SAL-1700 Salinity & Temperature Testing Pen - HM Digital
$69.99
Earn 69 Reward Points
$69.99
Hanna Instruments
25-Pack HI70024P 35ppt Salinity Calibration Sachet - Hanna Instruments
$26.00
Earn 26 Reward Points
$26.00

Add to Cart
$Refractometer & Hydrometer Calibration Standard - Brightwell Aquatics$

2 Reviews

Brightwell Aquatics
Refractometer & Hydrometer Calibration Standard - Brightwell Aquatics

Starting at: $5.49
Earn 50 Reward Points Earn 25 Reward Points

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15 Reviews

American Marine Inc.
PINPOINT Salinity Calibration Fluid - American Marine Inc.
$8.99
Earn 8 Reward Points
$8.99
9 Reviews

Neptune Systems
PM2 Salinity Module - Neptune Systems
$84.95
Earn 84 Reward Points
$84.95
53 Reviews

Neptune Systems
Lab Grade Conductivity/Salinity Probe - Neptune Systems
$124.95
Earn 124 Reward Points
$124.95
$Replacement LED Cover for Refractometers - Bulk Reef Supply$

3 Reviews

Bulk Reef Supply
Replacement LED Cover for Refractometers - Bulk Reef Supply
$4.99
Earn 40 Reward Points Earn 20 Reward Points
$4.99
2 Reviews

Hanna Instruments
Single HI70024P 35ppt Salinity Calibration Sachet - Hanna Instruments
$1.05
Earn 1 Reward Points
$1.05
7 Reviews

Neptune Systems
Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens
$2.95
Earn 2 Reward Points
$2.95
$Milwaukee Protective Hardshell Case for Refractometer$

15 Reviews

Milwaukee Instruments
Milwaukee Protective Hardshell Case for Refractometer
$23.99
Earn 230 Reward Points Earn 115 Reward Points
$23.99

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