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Milwaukee TDS Portable Meter Milwaukee TDS Portable Meter (MTR-011)MILWAUKEE PORTABLE METERS (each sold separately) The Milwaukee series of EC, TDS (PPM) and pH Portable Meters are designed to allow you to monitor your nutrient solutions. They are all 9v battery operated for portability. The batteries last approximately 300 hours of use. They feature replaceable probes with a 3 foot cable. The EC and TDS mon... Note: Calibration Buffer Solutions are available separately. — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
MILWAUKEE TDS WATERPROOF PEN Milwaukee TDS Waterproof Pen (MTR-003)MILWAUKEE WATERPROOF PENS The Milwaukee Waterproof Pen series of EC, TDS (PPM) and pH pens allow you to monitor your nutrient solution for best plant growth. They all feature replaceable electrodes for long life. The batteries will last 1500 hours of use. The pH pen will measure from 0 to 14.0 pH. The EC and TDS pens have automatic temperature... Note: Calibration Buffer Solutions are available separately. — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
MTR-003
$68.20
Moisture Meter. RAPITEST MOISTURE METER (PROBE TYPE)... — Ships via UPS from Portland, Oregon USA...more.
MR32 Refractometer. MR32 Brixmeter Refractometer. This refractometer measures the sugar content of plant material directly derived from photosynthesis and reads in Brix. The user squeezes plant juices onto the refractometer's reading lens and then the user looks through the meter. A scale is observed known as the Brix scale. The higher the Brix reading on the scale the more sugar content in the plant ... — Ships via UPS from Portland, Oregon USA...more.
MULTITEST AMMONIA Seachem Multi•Test™ Ammonia
75 TESTS
This kit measures total (NH3 and NH4+) and free ammonia (NH3 only) down to 0.05 mg/L and is virtually interference free in marine and fresh water. Free ammonia is the toxic form of ammonia (vs. ionized Ammonia NH4+ which is non-toxic) and thus it is much more important to keep an eye on the level of free ammonia in your system.... — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST IODIDE Seachem Multi•Test™ Iodine/Idodide
75 TESTS
This kit measures iodine or iodide to less than 0.005 mg/L. Seachem stands alone in offering this important test to the reef aquarian.... — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST MARINE Seachem Multi•Test™ Marine Basic
75 TESTS
This kit combines the Marine pH & Alkalinity, Ammonia and Nitrite & Nitrate kits into one kit.... — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST NITRITE/NITRATE Seachem Multi•Test™ Nitrite/Nitrate
75 TESTS
This kit measures nitrite down to 0.2 mg/L and nitrate down to 2 mg/L in marine or freshwater.... — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST PH & ALKALINITY Seachem Multi•Test™ Marine pH & Alkalinity
75 TESTS
MultiTest: Marine ph & Alkalinity™ features a unique dye that has a pronounced color change between 8.0 and 8.3, making it the easiest kit on the market to read in that critical range. Alkalinity may be read from the same sample in 0.5 meq/L increments... Note: Calibration Buffer Solutions are available separately. — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST PHOSPHATE Seachem Multi•Test™ Phosphate
75 TESTS
This kit measures inorganic phosphate down to 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater.... — FREE shipping when ordering $75 or more of qualifying items....more.
729006
$12.62
Myron L UltraPen PT1 (24/Cs) UltraPen PT1 - Conductivity/TDS/SalinityThis instrument is designed to be extremely accurate, fast and simple to
use in diverse water quality applications. Advanced features include
the ability to select from 3 different solution types that model the
characteristics of the most commonly encountered types of water;
proprietary temperature compensation and TDS conversion algorith... This item is sold individually....more.
OAKTON MULTI PTTESTER 35 (PH/TDS/TEMP) Oakton® MULTI PT Testr 35
One pocket sized meter for pH, TDS and temperature!
Up to 5 point pH calibration with NIST or USA auto buffer recognition.
Great for water, laboratory or plant use, this multi Testr features single-junction pH electrodes for longer life and wider range of sample compatibility. Pin-style conductivity sensors feature stainless steel electrodes for chem... ...more.
OAKTON WATERPROOF pH TESTER 10 Oakton Waterproof Double Junction pHTestr® 10 Large Display
WATERPROOF PH TESTER 10
Automatic Temperature Compensation (ATC)Push-button three-point calibrationMicroprocessor-basedAuto buffer recognitionHold functionCertifiable to IP67 standardspH range - 1.0 to 15.0 pHReplaceable double junction electrode... use Testr body many times over, which saves you money
... Note: Calibration Buffer Solutions are available separately....more.
OAKTON WATERPROOF pH TESTER 30 Oakton Waterproof Dbl Junction pHTestr® 30 w Temperature
WATERPROOF PH TESTER 30
Dual Display of pH & TemperatureHigh 0.01 pH accuracy Simultaneous pH and temperature (C) displaypH range - 1.0 to 15.0 pH Three point push-button calibrationDouble junction electrode ideal for dirty water, heavy sulfides and organicsIncreased reference gel volume offers significantly ... Note: Calibration Buffer Solutions are available separately....more.
Meters, Timers & Instruments 
