Aquarium Hydrometers - Page 3


Mega Sale! Up to 29% off on Aquarium Hydrometers at The Wharf Express, Page 3. Top brands include Zerodis, Amyove, TOOGOO, UEETEK, Wosume, LOCHI, D DOLITY, & Ywillink. Hurry! Limited time offers. Offers valid only while supplies last.



Zerodis Handheld 0-100% Salinity Refractometer with ATC Function Dual Scale Sea Water Salt Concentration Tester Salinity Meter for for Seawater Pool Aquarium Fish Tank
Zerodis Handheld 0-100% Salinity Refractometer with ATC Function Dual Scale Sea Water Salt Concentration Tester Salinity Meter for for Seawater Pool Aquarium Fish Tank
By Zerodis
In Stock
$20.49
$16.89
You Save: 18%

mpn: Zerodis3oiuztbsg0, ean: 0736077044813,

4.8 out of 5 stars with 31 reviews
Operating procedures: 1. Open the cover and clean the detection prism with a soft cloth. 2. Take the test solution, place it on the detection prism, gently close the cover to avoid air bubbles, and make the solution spread over the prism surface and put the instrument into the light plate. 3. Align the light source or the bright area, observe the field of view through the eyepiece, and turn the eyepiece to adjust the handwheel. 4. Make the blue-white boundary of the field of view clear, and the


Amyove Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter
Amyove Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter
By Amyove
In Stock
$17.88

mpn: MANU-US-181204-5629, ean: 6954333923311,

4.7 out of 5 stars with 17 reviews
Description: Item type: Handheld Refractometer Measuring range: Seawater salinity meter 0-100% salt specific gravity 1.000-1.070sg Colour: Black Features -- Eco-friendly material -- Automatic temperature compensation -- Measures on 2 scales Package includes: 1 * Handheld Refractometer Notes: 1-2cm error might exist due to manual measurements, please kindly understand. The colors deviation might differ due to different monitor settings. We provide you with the best product and service. If you hav


TOOGOO Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
TOOGOO Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
By TOOGOO
In Stock
$14.55

mpn: 202413, ean: 4894714528761,

4.3 out of 5 stars with 34 reviews
* TOOGOO is a registered trademark. ONLY Authorized seller of TOOGOO can sell under TOOGOO listings.Our products will enhance your experience to unparalleled inspiration. The usual salinity of the selected aqueous solutions 1.Fresh water -Less than 0.5 ppt 2.Brackish water -0.5 to 30 ppt 3.Saline water (Seawater)-30 to 50 ppt 4.Brine- more than 50 ppt (Salinity 36 ppt means, that there are 36 grams of salt in 1 liter aqueous solution.)Measurement:The liquid measurement is very easy. Place a few


UEETEK Heavy Duty Submersible Pump for Aquarium,Powerhead Fountain Water Hydroponic Pump with US-plug for Fish Tank,2.3 x 1.7 x 2.0 inch (L x W x H)
UEETEK Heavy Duty Submersible Pump for Aquarium,Powerhead Fountain Water Hydroponic Pump with US-plug for Fish Tank,2.3 x 1.7 x 2.0 inch (L x W x H)
By UEETEK
In Stock
$12.99
$12.49
You Save: 4%

mpn: AK14906HJBX18YT3KDXQ07GKA, ean: 0192189038582,

4.2 out of 5 stars with 35 reviews
Note: The item is with US plug adapter:NLY for 110V, NOT for 220V. Please confirm the voltage of your area before placing an order.DescriptionThis Submersible Fountain Pump is small, compact and ultra quiet, making it perfect for aquariums, fountains, spouts, ponds and etc. With strong suction cups, it can be easily mounted anywhere. Adopting high-duty wearable shaft, it runs stably and efficiently. What's more, you can adjust water flow rate via a turning knob as wish.Feature- Color: Black.-


Wocume Thickness Gauge Tester for Mini Painting Coating Car Body
Wocume Thickness Gauge Tester for Mini Painting Coating Car Body
By Wosume
In Stock
$133.99

mpn: Wosumeur1e93zhbn, ean: 0791655718982,

4.7 out of 5 stars with 10 reviews
Features: 1. 100% brand new and high quality 2. Flip display, Easy Reading  at any condition and angle 3. Auto power off function. 4. It can display four readings in the same time. 5. When the power is low, it will automatically remind you   Specification:   Model: RZ260FN Range: 0 - 1250um; M, 0 - 50mil Resolution: 1um /0.1mils Accuracy: +/-(3%+2um) or +/-(3%+0.1mils) Power supply: 1* AAA 1.5V batteries (not included) Packing: Spectacle case, Bandbox Operat


LOCHI Professional Handheld Salinity Refractometer Hydrometer 0-100% Aquarium Sea Water Salt Hydrometer Tester NEW PRODUCT
LOCHI Professional Handheld Salinity Refractometer Hydrometer 0-100% Aquarium Sea Water Salt Hydrometer Tester NEW PRODUCT
By LOCHI
In Stock
$35.75

ean: 0791108587967,

4.7 out of 5 stars with 44 reviews
Handheld Salinity Refractometer 0-100% Aquarium Sea Water Salt Hydrometer TesterFeatures:1. No need to recalibrate after the ambient operating temperature changes.2. Ambient light measrement, which means no battery or power is required.3. Aluminum alloy structure, light weight, small size, easy to carry.Specifications:Material: aluminum alloy + optical glass + PCMeasuring range: 0-100%Accuracy: ±1 pptATC (automatic temperature compensation) range: 10 ° C ~ 30 ° C (50 ° ~ 86 ° F)Scope of app


D DOLITY ATC Salinity Refractometer - Dual Scale (1.0 to 1.070 S.G.)
D DOLITY ATC Salinity Refractometer - Dual Scale (1.0 to 1.070 S.G.)
By D DOLITY
In Stock
$29.39
$20.99
You Save: 29%

mpn: 4f31535ed870d95a5542ca3cf19d48ee, ean: 0707335398139,

4.1 out of 5 stars with 8 reviews
We sell 100% brand new and high quality products. You can get what you want here at a competitive price! Don't hesitate, just buy it!Description: - Used to measure, monitor and control the concentration of salt water and brine. - The unique two scale lines can directly read the specific gravity and concentration of the solution. - With automatic temperature compensation ATC 0-30° - It is of great use to agriculture, aquarium, marine, food production and field operations,etc. - Measuring range:





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