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 B000255MH4 Price: $89.49 Score: 1000.000 Category: Pet Rating: 4.5 Votes: 85 Find similar productsAmerican Marine PINPOINT pH Monitor + Calibration Fluids. The American Marine Pinpoint pH Monitor is an affordable unit featuring .01 resolution. The Pinpoint pH Monitor is sold complete with probe and calibration fluids (9 volt battery not included). |  B00019JOSO Availability: Currently unavailable Score: 7.246 Category: Pet Rating: 4.2 Votes: 510 Find similar productsInstant Ocean SeaTest Hydrometer. Instant Ocean Hydrometer is accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, the Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - and does it each time, every time.Product FeaturesAccurate to 0-001Durable, Permanent Needle MountEasy-Read, 2-Color Scale with Safe ZoneExtra-Wide Stabilizer BaseEasy Fill convenience -- NO WET HANDS!. |
 B00EUWJCZI Availability: Currently unavailable Score: 6.993 Category: Pet Rating: 4.1 Votes: 68 Find similar productsSignstek ATC (Automatic Temperature Compensation) Dual Scale Sea Water Salinity Refractometer Meter Salimeter Measurement Tool for Aquarium and Seawater Monitoring, 0% - 10% & 1.0 to 1.070 S.G. . |  B07SKBHP34 Availability: Currently unavailable Score: 6.757 Category: Pet Rating: 4.7 Votes: 102 Find similar productsHanna Marine Alkalinity Checker HC - HI772 Alkalinity Checker with Extra Reagent. The HI772 CheckerHC (Handheld Colorimeter) provides a simple, accurate, and cost-effective way to measure alkalinity in degrees of carbonate hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in a few easy steps. Features at-a-glance: Easier to use and more accurate than chemical test kits Dedicated to a single parameter Small size, big convenience Ideal for: Aquaculture This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. The Hanna Marine Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Alkalinity Checker uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit. Features at-a-glance: - Easier to use and more accurate than chemical test kits; - Dedicated to a single parameter; - Small size, big convenience; Ideal for: - Aquaculture; - Water Quality; - Environmental; - Education. |
 B075BKLGG1 Price: $35.99 Score: 6.536 Category: Pet Rating: 4.4 Votes: 160 Find similar productsAquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED). THROW AWAY YOUR INACCURATE HYDROMETER! USE A REFRACTOMETER TO PROVIDE ACCURATE READINGS TO MAINTAIN A HEALTHY AQUARIUM WITH CONSISTENT SALINITY LEVELS Description As a serious hobbyist the need for the best way to measure salinity and specific gravity is to use a refractometer to provide accurate measurements. The AquaticHI Aquarium Refractometer is used to PROFESSIONALLY measure the salinity and specific gravity of saltwater. ADJUSTABLE FOCUS to provide the sharpest display. Calibrate using distilled water or a solution with 35ppt. DUAL SCALE and full ATC (auto temperature compensation) to ensure greater CONSISTENCY and ACCURACY in everyday use. Compact and portable for use anywhere. Measurement Scale: Salinity: 0 – 100 ppt (parts per thousand) at 1 ppt resolution Specific Gravity: 1.000 – 1.070 SG at .001 resolution Package Includes: 1 x Salinity Refractometer with LED (CR1220 3V Battery Included) Installed on Plate Prism 1 x Spare Plate Prism (without LED) 1 x Hard Carrying Case 1 x Calibrating Screw Driver 3 x Pippet 1 x Cleaning Cloth 1 x Instruction Manual Recommended Aquarium SG Range: Brackish Water Aquariums: 1.005 to 1.010 SG Marine Fish Only With Live Rock (FOWLR): 1.020 to 1.025 SG Marine Reef Aquariums: 1.023 to 1.026 SG. |  B08HCMBCD8 Availability: Currently unavailable Score: 6.369 Category: Pet Rating: 4.4 Votes: 17 Find similar productsTiaoyeer Salinity Refractometer with ATC Refractometer for Seawater, Pool, Tank, Testing, Marine, Fishkeeping, Dual Scale-Specific Gravity 0-100PPT & 1.000-1.070. . |
 B018LRO1SU Price: $18.99 Score: 6.369 Category: Pet Rating: 4.6 Votes: 3823 Find similar productsSalinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation. . |  B0BS3RJSNP Price: $15.99 Score: 6.135 Category: Pet Rating: 4.6 Votes: 1846 Find similar productsAUTOUTLET Salinity Refractometer Saltwater Aquarium for Seawater, Pool, Tank, Marine, Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Salinity Hydrometer Kit. . |
 B00E5MPK3Q Availability: Currently unavailable Score: 6.098 Category: Pet Rating: 4.6 Votes: 2 Find similar productsMAGNUM_MEDIA Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0%-10% (0-100ppt) & 1.000 to 1.070 S.G. DUAL SCALE Hydrometer. Dual Scale Salinity Refractometer - 0-100 Salinity ppt and 1.000-1.070 Salinity SG. Economical Design - Soft Case - 1 Year Warranty. Comes in a Soft Case with pipette, calibration screwdriver and users guide. Perfect for the beginning Reef Tank hobbyist! Look in the Magnum Media Amazon Store for more amazing Salinity Refractometers! Amazon's #1 Refractometer Experts! WE CARRY NATURAL SEA WATER REFRACTOMETERS TOO!. |  B00KXGRX4C Price: $40.69 Score: 5.952 Category: Pet Rating: 4.6 Votes: 13 Find similar productsChecker (2) Hanna Instruments HI755-26 Reagent (50 Tests) for Alklinity HI755, for Salt Water Alkalinity, Presented by Magnum Media. CALIBRATION PROCEDURE: Turn the meter on by pressing the button, all segments will be displayed. When the display shows ‘’Add’’, ‘’C.1’’ with ‘’Press’’ blinking, the meter is ready. Fill the cuvette to the 10 mL line on the cuvette with unreacted sample and replace the cap. Place the cuvette into the meter and close the meter’s cap. Press the button. When the display shows “Add ”, “ C.2 ” with “ Press ” blinking the meter is zeroed. Note: Any chlorine present in the sample will interfere with the reading. To remove the chlorine interference add one drop of HI 93755-53 Chlorine Remover to the unreacted sample. Remove the cuvette, open it and using a 1 mL syringe carefully add exactly 1.00 mL of Alkalinity Reagent to the sample. Replace the cap and gently invert 5 times. Place the cuvette back into the meter. Note : Pay attention not to spill reagent otherwise full color development may be inhibited. Press the button. The instrument directly displays the concentration of alkalinity in ppm of CaCO3 . Alkalinity conversion: 1 ppm CaCO 3 = 0.02 meq/L = 0.056 dkH The meter automatically turns off after 10 minutes. |