Search only for
Searching in

   
Searching
Search Results in Aquariums - Marine Products - Hydrometers at All Merchants (showing 1 to 9 of 9)
Order by: Price Comparisons, Name, Product Rating | Retail Price: Low to High, High to Low
Instant Ocean Full Range Hydrometer

Instant Ocean Full Range Hydrometer

Instant Ocean Hydrometer is an improved design of its preceding model #TK502. It delivers precise full-range salinity and specific gravity readings - accurate to 0.001 every time. Test aquarium salt levels and specific gravity.

from $8.99 - Offered by 3 merchants

Full Product Description

Deep Six Hydrometer Wide Range Spectrum Gravity Meter 11 In.

Deep Six Hydrometer Wide Range Spectrum Gravity Meter 11 In.

The unique design of the Deep Six Hydrometer allows hobbyists to take water samples at six inches in depth without submerging their hands in the water, thus avoiding the possibility of contamination.

from $7.99 - Offered by 2 merchants

Full Product Description

Seachem Digital Spoon Scale 300 G.

Seachem Digital Spoon Scale 300 G.

With Seachem's Digital Spoon Scale, you can accurately measure each supplement before adding them to your aquarium! Make sure your delicate aquarium livestock is getting the suppl...

Price: $20.18

Full Product Description

Hydrometer/thermometer 12 In.

Hydrometer/thermometer 12 In.

Proper salt content is vital to the health and well being of captive marine species. Use the Hagen Aquarium Hydrometer to determine actual specific gravity of marine water aquariu...

Price: $11.99

Full Product Description

Top Fin Digital Aquarium Thermometer

Top Fin Digital Aquarium Thermometer

This Top Fin Digital Aquarium Thermometer accurately senses the temperature of your aquarium water and displays it on an LCD screen in Fahrenheit or Celsius. Simply place the temperature probe in the desired location of your aquarium using the attached suction cup. The display has a built-in stand that can easily be placed on our aquarium hood, stand or another flat surface. Features: Displays water temperature in Fahrenheit or Celcius; Accurate and easy-to-read LCD screen; Includes a

Price: $11.49

Full Product Description

Neptune Systems Probe Module 1 Ph/orp Temp

Neptune Systems Probe Module 1 Ph/orp Temp

The first expansion module, the PM1 (shown above) , with a pH or ORP, temperature, and 6 digital inputs. The PM1 features are: Monitor/Control pH or ORP, and temperature.6 digital inputs for float switches, water on floor sensors, pressure sensors, etc.Fu

Price: $74.95

Full Product Description

American Marine Pinpoint Salinity Calibration Fluid

American Marine Pinpoint Salinity Calibration Fluid

53.0 mS standardized fluid for calibrating the PINPOINT Salinity Monitor with conversion chart

Price: $9.99

Full Product Description

Neptune Systems Probe Module 2 Conductivity/salinity Temp

Neptune Systems Probe Module 2 Conductivity/salinity Temp

The PM2 probe module (shown above) , includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are: Monitor/Control Conductivity/Salinity and temperature.4 Measurement ranges (0-900 uS/cm, 0-9.0 mS/cm, 0-90.0 mS/cm,

Price: $84.95

Full Product Description

Neptune Systems I/o Break Out Box

Neptune Systems I/o Break Out Box

Connect external switches and I/O Inputs to your ApexWhen connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external switch inputs to your Apex. Examples of things you might conne

Price: $39.95

Full Product Description