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Hanna Instruments Marine Alkalinity reagents 25 tests

Hanna Instruments Marine Alkalinity reagents 25 tests

Reagent kit for 25 Marine Alkalinity Tests Range: 0.00 to 250 mg/L

$7.00
Hanna Instruments Phosphate LR Reagents - 25 Tests

Hanna Instruments Phosphate LR Reagents - 25 Tests

Reagents for phosphate LR (low-range), ascorbic acid method. For use with Hanna Instruments Checker Phosphate Colorimeter. Range: 0.00 to 2.50 mg/L Kit for 25 Tests

$7.00
Coralife Digital Thermometer

Coralife Digital Thermometer

Ideal for aquariums and terrariums. Readings in 0.1 degrees Fahrenheit or Celsius. Temperature range -10 degrees F to 140 degrees F (-23 degrees C to 60 degrees C). Mounting suction cups and battery included. 39 inch long temperat...

$8.99
Hanna Instruments Checker Phosphate Colorimeter

Hanna Instruments Checker Phosphate Colorimeter

Orthophosphates are found in natural and wastewaters. They are commonly added to drinking water as a corrosion inhibitor. The instantaneous analysis of orthophosphate by colorimetric determination provides rapid results using a st...

$49.00
Marine Depot Aquarium Refractometer

Marine Depot Aquarium Refractometer

The Refractometer is a must have for all aquarium hobbyists. The proper salinity is crucial for the survival and health of your fish and corals . This high quality refractometer is extremely accurate and easy to use and calibr...

$49.99
Hanna Instruments Calcium Reagent, 25 Tests

Hanna Instruments Calcium Reagent, 25 Tests

Reagent kit for 25 Marine Calcium Tests The reagent has a part A (liquid) and part B (powder). For use with Hanna Instruments Checker Marine Calcium Colorimeter ( HN1187 )

$22.00
Hanna Instruments Checker Marine Calcium Colorimeter

Hanna Instruments Checker Marine Calcium Colorimeter

Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and ...

$49.00
Hanna Instruments Checker Marine Alkalinity Colorimeter (PPM)

Hanna Instruments Checker Marine Alkalinity Colorimeter (PPM)

The HANNA Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and have low resolution while professional instrumentation can cost hundr...

$49.00
Hanna Instruments Phosphorus Ultra Low Range Reagents - 25 Tests

Hanna Instruments Phosphorus Ultra Low Range Reagents - 25 Tests

Hanna HI736-25 Reagent: Phosphorus, ultra low range (ULR), ascorbic acid, reagents for 25 tests

$7.00
Zoo Med MagClip® Magnetic Suction Cups

Zoo Med MagClip® Magnetic Suction Cups

Zoo Med MagClip Industrial strength MAGNETIC suction cup with interchangeable clips Never replace your suction cups again! Includes 6 assorted sizes of nylon clips to hold all types of aquarium accessories like pH probes, ORP...

$8.99
Lifegard Aquatics Little Time Or Temp

Lifegard Aquatics Little Time Or Temp

Digital clock/thermometer with illuminating light. Accurate measurement of aquarium water or room temperature in F or C. Lifegard Aquatics Little Time & Temp Digital Clock and Temperature Indicator with backlit display and ba...

$22.49
Neptune Systems Magnetic Probe Rack (MPR)

Neptune Systems Magnetic Probe Rack (MPR)

The newly announced MPR - Magnetic Probe Rack is the perfect product for anyone with an existing Apex or those just now picking one up. The MPR has four locations for probes so customers can rig up their pH, ORP, salinity, and tem...

$39.95
Hanna Instruments Checker Marine Alkalinity Colorimeter (dKH)

Hanna Instruments Checker Marine Alkalinity Colorimeter (dKH)

The Hanna Marine Alkalinity (dKH) 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 d...

$49.00
Coralife Deep Six Hydrometer Wide Range Specific Gravity Meter

Coralife Deep Six Hydrometer Wide Range Specific Gravity Meter

The re-designed deep six hydrometer with improved calibration and bubble diffuser ensures more accurate readings of your aquarium salt levels. Also includes a built in base so you can rest the hydrometer on a counter top or other ...

$7.99
American Marine Pinpoint pH Probe

American Marine Pinpoint pH Probe

PINPOINT ™ pH Replacement Probe is designed especially with your purpose in mind. It features long, continuous duty expectancy, fast response and, most importantly, is non-toxic to your system. Each probe features a 10 foot ca...

$39.49
Hanna Instruments Phosphate LR Reagents - 100 Tests

Hanna Instruments Phosphate LR Reagents - 100 Tests

Reagents for phosphate LR (low-range), ascorbic acid method. For use with Hanna Instruments Checker Phosphate Colorimeter and Low Range Phosphate Meter . Range: 0.00 to 2.50 mg/L Kit for 100 Tests

$27.00
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

High accuracy with 0.01 pH resolution Two point fast and accurate calibration Usable with virtually any electrode that shares the same connector 3000 hours of battery life HI 1270 small diameter probe fitseasily into a ...

$35.00
American Marine Pinpoint Salinity Calibration Fluid

American Marine Pinpoint Salinity Calibration Fluid

53.0 mS standardized fluid for calibrating the PINPOINT Salinity Monitor™

$9.49
Fluval Living Sea Floating Hydrometer with Thermometer, C & F

Fluval Living Sea Floating Hydrometer with Thermometer, C & F

Hagen Living Sea Hydrometer with Thermometer—Small 20cm (8") Accurate Easy to read Thermometer—C & F

From $8.49
Lifegard Aquatics Big Digital Temperature Alert

Lifegard Aquatics Big Digital Temperature Alert

Large face digital thermometer with alert feature. Display both aquarium water temperature and room temperature in degrees Fahrenheit. Has 4 alert features. Alarm will sound and LED flashes: high temp alert only, low temp alert on...

$39.49
HM Digital Handheld TDS Meter w/ Thermometer

HM Digital Handheld TDS Meter w/ Thermometer

Handheld TDS Meter 0-9990 with ATC & Temp, in vinyl carrying case The world’s most popular TDS meter, the TDS-3 is the most reliable and longest lasting meter of its kind. It has a wide range of 0-9990 ppm has a hold button...

$24.99
Neptune Systems Temperature Probe For Apex Controller AquaController Jr, AquaController 3 and PX1000 ONLY

Neptune Systems Temperature Probe For Apex Controller AquaController Jr, AquaController 3 and PX1000 ONLY

Temperature probe for Neptune Systems: Apex Controller, AquaController Jr, AquaController 3 and PX1000 ONLY.

$29.95
Hanna Instruments Checker Phosphorus Ultra Low Range Colorimeter

Hanna Instruments Checker Phosphorus Ultra Low Range Colorimeter

Hanna Checker HI736 - Phosphorus Ultra Low Range Checker he Hanna Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 poi...

$49.00
Instant Ocean SeaTest Hydrometer

Instant Ocean SeaTest Hydrometer

Instant Ocean Hydrometer`s new improved design delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - every time. Easy-fill convenience keeps hands dry when filling. It has a durable, permanent ne...

$13.49
Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/Calibration Packets Resolution 0.01 pH Cable Length 4 feet Connection Type Male BNC Included Calibration Packets 1 x 7pH calibration packet 1 x 10pH calibration packet Manufacture...

$39.99
1 - 25 of 83
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