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Saltwater & Reef > Hydrometer

Hydrometer Saltwater & Reef


JBL Precision Hydrometer
Precision +/- 0,0005, incl.test vial
JBL Precision Hydrometer

JBL Precision Hydrometer for the exact determination of the density in marine water aquaria. The green zone on the scale of this aquarium hydrometer represents the ideal specific gravity (S.G.) for marine animals. The precision in the green zone is better than +/- 0.0005 at 25 °C.


JBL Precision Hydrometer
27.69 €*
Aqua Medic Salimeter
Hydrometer for sea water aquaria
Aqua Medic Salimeter

The Aqua Medic salimeter is a density meter (hydrometer) for easy measurement of the specific gravity of saltwater in aquaria. In reef systems, the specific gravity should be between 1.022 and 1.025. salimeter has a measuring range of 1.000 to 1.040, with graduations at every 0.001 and an accuracy of ± 0.0005 at 25 °C (77 °F).


Aqua Medic Salimeter
8.85 €*
Aqua Medic DensiMeter
highly precise hydrometer
Aqua Medic DensiMeter

Aqua Medic DensiMeter is a highly precise hydrometer for measuring the density in marine water aquariums.


Aqua Medic DensiMeter
36.95 €*
Aqua Medic DensiTower
hydrometer cylinder with overflow
Aqua Medic DensiTower

Aqua Medic DensiTower is a hydrometer cylinder with overflow to determine the exact density by using a hydrometer.


Aqua Medic DensiTower
23.95 €*
Aqua Medic Refractometer LED
for determining the salt concentration
Aqua Medic Refractometer LED

The Aqua Medic Refractometer is a precision optical instrument used to determine the salt concentration in saltwater aquaria. Its exact value can be determined in seconds and can be read either as absolute salt concentration (‰, ppt) or as specific density. When a beam of light enters the refractometer it is bent or "refracted" by the water in the test panel.


Aqua Medic Refractometer LED
45.85 €*
Aqua Medic Test Solution for Refractometer 35 ppm
for calibration of refractometers
Aqua Medic Test Solution for Refractometer 35 ppm

Aqua Medic Testing solution 35 ppm for the calibration of the Aqua Medic Refractometer and Refractometers of other brands. The content (60 ml) is sufficient for several testings.


Aqua Medic Test Solution for Refractometer 35 ppm
6.85 €*
Sera Sea water Hydrometer
for determination of salt content
Sera Sea water Hydrometer

Sera sea water Hydrometer for the exact determination of salt content in sea water. Marine fish and invertebrates need a density of 1.022 - 1.024.


Sera Sea water Hydrometer
7.29 €*
Tropic Marin Hydrometer
high precision hydrometer for seawater
Tropic Marin Hydrometer

Tropic Marin Hydrometer is a high precision hydrometer for determining the specific gravity in aquariums. Many tank inhabitants are sensitive even to minor changes of the water conditions. For an exact, reliable measure of the specific gravity, Tropic Marin offers a high-precision instrument.


Tropic Marin Hydrometer
44.95 €*
Tropic Marin Measuring Cylinder 500 ml
height: 36 cm, made from plastic
Tropic Marin Measuring Cylinder 500 ml

Measuring and reading the specific gravity on the scale of the hydrometer will be easy with the Tropic Marin Measuring Cylinder. The high-quality plastic measuring cylinder is transparent, has a stable base and a spout. With a height of 36 cm (14 inches), it is ideally suited to determine the specific gravity using the Tropic Marin High Precision Hydrometer.


Tropic Marin Measuring Cylinder 500 ml
24.95 €*
Tropic Marin Measuring Cylinder with Hydrometer
69.95 €*
Salifert Refracto Check
calibration solution for refractometers
Salifert Refracto Check

Salifter Refracto Check is a testing solution with a density of 35 ppm for the calibration of refractometers. The content is sufficient for up to 100 testings.


available soon
Salifert Refracto Check
4.29 €*
Hydrometer Saltwater & Reef

Hydrometer Saltwater & Reef

∅ Reviews: 5.0 (5)

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