Store >  Digital Instruments >  [ Digital Instruments: $0 - $325 ]

Refine by Brand

Refine by Price

Products: 1 - 290 of 290      Active Rank
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $184.49
Our Price: $122.99
(save $61.5, 33%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $334.49
Our Price: $222.99
(save $111.5, 33%)
Hard Carrying Case for Digital Meters
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Hanna Phosphate Photometer (LR) with 890 nm LED
List Price: $314.54
Our Price: $209.69
(save $104.85, 33%)
Replacement Ph Probe, Bluelab
List Price: $97.49
Our Price: $64.99
(save $32.5, 33%)
Combo pH/EC/TDS/Temp Tester w/ (LR) EC, Hanna
List Price: $238.79
Our Price: $159.19
(save $79.6, 33%)
Replacement Ph Probe 2 M Cable, Milwaukee
List Price: $56.99
Our Price: $37.99
(save $19, 33%)
ph Probe cleaning and calibration kit, Bluelab
List Price: $49.49
Our Price: $32.99
(save $16.5, 33%)
HDE Temperature Gun Infrared Thermometer w/ Laser ...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Aquarium Temperature Alert From Tom / Oscar
List Price: $24.74
Our Price: $16.49
(save $8.25, 33%)
4
Hanna HI 758 Checker HC - Calcium checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Copper, LR, Bicinchoninate Acid Method (100 Tests)
List Price: $178.49
Our Price: $118.99
(save $59.5, 33%)
Mi408 Iron High Range Photometer
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
T.D.S. Calibration Solution 84 µS/cm 20 mL sachets
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
Digital Light Meter with Submersible Probe, Milwau...
List Price: $112.49
Our Price: $99
(save $13.49, 11%)
AG900 PH – EC – TDS Kit, Precision Ag Testing
List Price: $296.99
Our Price: $200
(save $96.99, 32%)
Octopus Power Failure Detection Switch Assembly (U...
List Price: $122.09
Our Price: $81.39
(save $40.7, 33%)
MA814D/1 EC/TDS/°C Probe for Mi306
List Price: $161.99
Our Price: $107.99
(save $54, 33%)
Replacement Orp Probes For Aquazone Generators
List Price: $184.79
Our Price: $123.19
(save $61.6, 33%)
pH PR reagent for LaMotte Smart 3 colorimeter
List Price: $77.99
Our Price: $54.99
(save $23, 29%)
Reagent Kit For 100 Test For pHosphate Mi412
List Price: $25.49
Our Price: $16.99
(save $8.5, 33%)
1,413 Us/Cm 20 Ml Sachet (25 Pcs.), Milwaukee
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Waterproof pH Tester with Replaceable Electrode
List Price: $146.99
Our Price: $97.99
(save $49, 33%)
Portable pH Monitor Manual Calibration, Milwaukee ...
List Price: $121.49
Our Price: $80.99
(save $40.5, 33%)
Marine/Saltwater 58,640uS Conductivity Calibration...
List Price: $46.19
Our Price: $30.79
(save $15.4, 33%)
MA916B/1 pH Glass Refillable Probe, BNC Connector
List Price: $107.99
Our Price: $71.99
(save $36, 33%)
MW402 TDS - PPM Meter
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Hanna HI 718 Checker HC - Iodine checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Nitrate, Cadmium Reduction Method (300 Tests)
List Price: $293.84
Our Price: $195.89
(save $97.95, 33%)
Cap For Glass Cuvette (Mi0011) - 2 Pcs
List Price: $5.99
Our Price: $3.99
(save $2, 33%)
Aqua Medic Ph 9 Calibration Fluid, 40 Ml.
List Price: $8.24
Our Price: $5.49
(save $2.75, 33%)
12.880 µS/cm Conductivity Calibration 230 ml
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
Waterproof Ph 55 Pocket Tester From Milwaukee.
List Price: $74.99
Our Price: $49.99
(save $25, 33%)
In-Line Leviton#6287 Noise Filter
List Price: $145.19
Our Price: $96.79
(save $48.4, 33%)
pH Replacement Probe For Model pH52 & pH53 Only
List Price: $71.99
Our Price: $47.99
(save $24, 33%)
Lab Grade ORP Probe, Neptune Systems
List Price: $130.34
Our Price: $86.89
(save $43.45, 33%)
Silica Colorimeter Reagents (100 Tests)
List Price: $74.39
Our Price: $49.59
(save $24.8, 33%)
Ammonia low range reagent for LaMotte Smart 3 colo...
List Price: $74.99
Our Price: $69.99
(save $5, 6%)
Reagent Kit For 100 Test With Free Chlorine Mi406
List Price: $25.49
Our Price: $16.99
(save $8.5, 33%)
Ph 7.01 20 Ml Sachet Of Buffer Solution
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
pH Test Strips, 15 foot paper
List Price: $9.74
Our Price: $6.99
(save $2.75, 28%)
MC pH Monitor With Led Alarm, Milwaukee
List Price: $131.99
Our Price: $87.99
(save $44, 33%)
Conductivity Probe Extension Cable 25ft
List Price: $145.19
Our Price: $96.79
(save $48.4, 33%)
MA905B/3 pH Electrode For High Pressure Applicatio...
List Price: $70.49
Our Price: $46.99
(save $23.5, 33%)
Replacement 5 Pack Of Membranes For Milwaukee
List Price: $59.99
Our Price: $39.99
(save $20, 33%)
Hanna HI 700 Checker HC - Ammonia checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Iodine Photometer with 555 nm LED, Hanna Digital
List Price: $362.69
Our Price: $241.79
(save $120.9, 33%)
Reagent Kit Total Chlorine, Milwaukee
List Price: $11.99
Our Price: $7.99
(save $4, 33%)
MW13 Iodine Mini-Colorimeter
List Price: $86.99
Our Price: $57.99
(save $29, 33%)
Ph 4.01 220 Ml Bottle Of Buffer Solution
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
EC59 EC/TDS/ Waterproof Combination Tester
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Discontinued - Direct Connect 4, Neptune Systems
List Price: $197.99
Our Price: $131.99
(save $66, 33%)
MA923D/1 pH/Orp/°C Amplified Probe For Mi106 Only
List Price: $256.49
Our Price: $170.99
(save $85.5, 33%)
X-10 Pro Plug In Control Module (2-Prong)
List Price: $29.69
Our Price: $19.79
(save $9.9, 33%)
Reagent for Hanna HI 758 Calcium Checker HC - 25 t...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Tablet Crusher
List Price: $2.99
Our Price: $2.49
(save $0.5, 16%)
Mi411 pH and Free & Total Photometer
List Price: $295.49
Our Price: $240
(save $55.49, 18%)
Combination Buffer Kit 10.01, 7.01 pH sachets
List Price: $20.54
Our Price: $13.69
(save $6.85, 33%)
Truncheon Nutrient Meter, Bluelab
List Price: $172.49
Our Price: $114.99
(save $57.5, 33%)
BEM101 Ph Monitor Automatic Calibration, Milwaukee
List Price: $172.49
Our Price: $114.99
(save $57.5, 33%)
Octopus RS-232 Modem/Ethergadget Cable (10ft)
List Price: $51.14
Our Price: $34.09
(save $17.05, 33%)
Temperature Probe For Use With Both MW102 & SM102
List Price: $62.99
Our Price: $41.99
(save $21, 33%)
Horizontal Wide Range Liquid Crystal Thermometer
List Price: $4.49
Our Price: $2.99
(save $1.5, 33%)
Phosphate LR, Ascorbic Acid Method (100 Tests)
List Price: $43.49
Our Price: $28.99
(save $14.5, 33%)
Copper reagent for LaMotte Smart 3 colorimeter
List Price: $29.99
Our Price: $24.99
(save $5, 16%)
Reagent Kit For 45 Test For Mi413
List Price: $35.99
Our Price: $23.99
(save $12, 33%)
1,413 Us/Cm 20 Ml Sachet, Milwaukee
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
Portable pH Monitor Automatic Calibration, Milwauk...
List Price: $172.49
Our Price: $114.99
(save $57.5, 33%)
Laboratory Grade Orp Probe for RK2 Control Panel
List Price: $349.99
Our Price: $259.99
(save $90, 25%)
MA916B/3 pH Glass Refillable Probe, BNC Connector
List Price: $115.49
Our Price: $76.99
(save $38.5, 33%)
Dissolved O2 Portable Monitor, Milwaukee SM600
List Price: $274.49
Our Price: $182.99
(save $91.5, 33%)
Reagent for Hanna HI 718 Iodine Checker HC - 25 te...
List Price: $14.24
Our Price: $9.49
(save $4.75, 33%)
Dissolved Oxygen, Winkler Method (100 Tests)
List Price: $96.74
Our Price: $64.49
(save $32.25, 33%)
Stoppers For Glass Cuvette (Mi0011) – 2 Pcs
List Price: $4.49
Our Price: $2.99
(save $1.5, 33%)
Aqua Medic Refilling Fluid PH + MV
List Price: $8.24
Our Price: $5.49
(save $2.75, 33%)
1,413 Us-Cm 220 Ml Bottle Conductivity Solution
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
Waterproof Ph Pocket Tester model pH56, Milwaukee
List Price: $95.99
Our Price: $64.99
(save $31, 32%)
Infrared Printer Thermal Paper 6rolls
List Price: $69.29
Our Price: $46.19
(save $23.1, 33%)
EC / TDS Replacement Probe For C65 & T75 Only
List Price: $68.99
Our Price: $45.99
(save $23, 33%)
Standard ORP Probe, Neptune Systems
List Price: $89.09
Our Price: $59.39
(save $29.7, 33%)
Hanna Nitrite LR Colorameter Reagent Kit (100 Tes...
List Price: $59.99
Our Price: $39.99
(save $20, 33%)
Zinc LR reagent for LaMotte Smart 3 colorimeter
List Price: $172.49
Our Price: $119.99
(save $52.5, 30%)
Reagent Kit For 100 Test With Ammonia Mi407
List Price: $43.49
Our Price: $28.99
(save $14.5, 33%)
10 Sachets of M10007, 5 of M10000, M10004, M10010
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
GS4 pH/EC/500ppm/700ppm/Temp Combo Pen
List Price: $179.99
Our Price: $159.99
(save $20, 11%)
Lab Grade Temperature Probe Extension Cable 25ft
List Price: $145.19
Our Price: $96.79
(save $48.4, 33%)
AQ600 DO - Dissolved Oxygen Kit for O2 testing
List Price: $383.99
Our Price: $255.99
(save $128, 33%)
12 V Dc 2115 Power Adapter For Pronto
List Price: $25.64
Our Price: $17.09
(save $8.55, 33%)
Iodine, DPD Method (100 Tests)
List Price: $37.19
Our Price: $24.79
(save $12.4, 33%)
2 Replacement glass cuvettes for MI412 meter.
List Price: $11.99
Our Price: $7.99
(save $4, 33%)
MW14 Iron ( High Range ) Mini-Colorimeter
List Price: $86.99
Our Price: $58
(save $28.99, 33%)
Ph 7.01 220 Ml Bottle Of Buffer Solution
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
EC60 EC/TDS/ Waterproof Combination Tester
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
4 LED Dimmable Lunar Simulator, Neptune Systems
List Price: $181.49
Our Price: $120.99
(save $60.5, 33%)
pH Electrode Double Junction Probe
List Price: $75.89
Our Price: $50.59
(save $25.3, 33%)
Mi56p pH/Temp Replacement Probe For pH55 & pH56
List Price: $59.99
Our Price: $38.99
(save $21, 35%)
X-10 Pro Plug In Control Module (3-Prong Grounded)
List Price: $49.49
Our Price: $32.99
(save $16.5, 33%)
Ammonia Photometer with 470 nm LED, Hanna
List Price: $362.69
Our Price: $241.79
(save $120.9, 33%)
LaMotte Smart 3 Replacement Cuvettes
List Price: $49.99
Our Price: $39.99
(save $10, 20%)
Phosphate Low Range Colorimeter, Milwaukee MI412
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
Cuvet cleaning solution (230 ml), Hanna
List Price: $40.94
Our Price: $27.29
(save $13.65, 33%)
Truncheon Commercial Nutrient Meter, Bluelab
List Price: $179.99
Our Price: $119.99
(save $60, 33%)
ORP Meter, Milwaukee BEM500
List Price: $175.49
Our Price: $116.99
(save $58.5, 33%)
Octopus Aquaweb RS-232 PC Cable
List Price: $98.99
Our Price: $65.99
(save $33, 33%)
Temperature Probe for Mi150, Mi151, Mi160, Mi180
List Price: $61.49
Our Price: $40.99
(save $20.5, 33%)
Vertical Wide Range Liquid Crystal Thermometer
List Price: $4.49
Our Price: $2.99
(save $1.5, 33%)
Phosphate LR, Ascorbic Acid Method (300 Tests)
List Price: $109.04
Our Price: $72.69
(save $36.35, 33%)
Copper reagent for LaMotte Smart 3 colorimeter
List Price: $29.99
Our Price: $24.99
(save $5, 16%)
Reagent Kit For 100 Test For Chlorides Mi414
List Price: $77.99
Our Price: $51.99
(save $26, 33%)
Case Of 25, 1382 Ppm 20 Ml Sachet
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
ORP Tester with ORP Range up to ±999 mV
List Price: $148.64
Our Price: $99.09
(save $49.55, 33%)
Ph, Ec, Tds 3 In 1 Smart Digital Combination
List Price: $232.49
Our Price: $154.99
(save $77.5, 33%)
Aquawebii-Ne For Windows 98-Nt-Me-2000
List Price: $461.99
Our Price: $307.99
(save $154, 33%)
MA917B/1 pH Glass Refillable Probe, BNC Connector
List Price: $155.99
Our Price: $103.99
(save $52, 33%)
Big Time and Temp, Rainbow Lifegard
List Price: $49.99
Our Price: $38.99
(save $11, 22%)
Tissue for Wiping Cuvets (4 pc)
List Price: $48.29
Our Price: $32.19
(save $16.1, 33%)
Copper Low Range Colorimeter Reagent (100 Tests)
List Price: $131.84
Our Price: $87.89
(save $43.95, 33%)
Mi404 Free & Total Chlorine Meter
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
1,382 Ppm 220 Ml Bottle Tds Solution, Milwaukee
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
Waterproof Ph and ORP Pocket Tester model pH58, Mi...
List Price: $181.49
Our Price: $138
(save $43.49, 23%)
Octopus Lab Grade Conductivity Probe
List Price: $333.29
Our Price: $244.99
(save $88.3, 26%)
EC / TDS Replacement Probe For C66 & T76 Only
List Price: $68.99
Our Price: $45.99
(save $23, 33%)
Lab Grade pH Probe, Neptune Systems
List Price: $134.84
Our Price: $89.89
(save $44.95, 33%)
Nitrite Photometer with 585 nm LED, Hanna
List Price: $362.69
Our Price: $241.79
(save $120.9, 33%)
Manganese HR reagent for LaMotte Smart 3 colorimet...
List Price: $131.99
Our Price: $87.99
(save $44, 33%)
Reagent Kit For 100 Test With Iron for Mi408
List Price: $20.99
Our Price: $13.99
(save $7, 33%)
Case Of 25, Ph 10.01 20 Ml Sachet, Milwaukee
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Waterproof pH-Temp Combo Meter, HM Digital.
List Price: $82.49
Our Price: $54.99
(save $27.5, 33%)
Conductivity Probe Extension Cable 25ft
List Price: $104.99
Our Price: $69.99
(save $35, 33%)
MA913B/3 pH Probe - Double Junction With 3M Cable
List Price: $61.49
Our Price: $40.99
(save $20.5, 33%)
MA841 DO - Spare Membrane For All Dissolved O2 Met...
List Price: $62.99
Our Price: $41.99
(save $21, 33%)
Shockproof Rubber Boot for Portable Meters
List Price: $63.29
Our Price: $42.19
(save $21.1, 33%)
Calcium Hardness (Mg, Ca) Photometer w/555 nm LED
List Price: $362.69
Our Price: $241.79
(save $120.9, 33%)
2 Replacement cuvette caps for MI412 meter
List Price: $5.99
Our Price: $3.99
(save $2, 33%)
Free Chlorine Replacement Reagent Kit for MW10
List Price: $13.49
Our Price: $8.99
(save $4.5, 33%)
Ph 10.01 220 Ml Bottle Of Buffer Solution
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
Conductivity Meter, Milwaukee MW301
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
5 LED Dimmable Lunar Simulator, Neptune Systems
List Price: $197.99
Our Price: $131.99
(save $66, 33%)
AmpHel pH Electrode - Internal Battery, Hanna
List Price: $199.04
Our Price: $132.69
(save $66.35, 33%)
Mi57p ORP/TEMP Replacement Probe for ORP57
List Price: $71.99
Our Price: $47.99
(save $24, 33%)
Ammonia LR, Nessler Method (100 Tests)
List Price: $67.49
Our Price: $44.99
(save $22.5, 33%)
Ammonia nitrogen reagent for LaMotte Smart 3 color...
List Price: $69.99
Our Price: $54.99
(save $15, 21%)
Mi413 Free & Total (High Range) Chlorine Meter
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
Rinse Solution - Deionized Water, 25 Sachets
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Combo Meter pH, PPM, temp, Bluelab
List Price: $389.99
Our Price: $259.99
(save $130, 33%)
BEM802 Ph, Ec, Tds 3 In 1 Smart Digital Combinatio...
List Price: $247.49
Our Price: $164.99
(save $82.5, 33%)
Ph Or Orp Probe Extension Cable(25ft)
List Price: $145.19
Our Price: $96.79
(save $48.4, 33%)
DO - Dissolved Oxygen Probe With 3 Meter Cable
List Price: $251.99
Our Price: $167.99
(save $84, 33%)
Phosphate Test Kit, Hanna Digital Ins.
List Price: $403.19
Our Price: $268.79
(save $134.4, 33%)
Hardness (total) reagent for LaMotte Smart 3 color...
List Price: $89.99
Our Price: $59.99
(save $30, 33%)
Turbidity Reagent Kit Includes 3 @ 30 ml Bottles
List Price: $49.49
Our Price: $32.99
(save $16.5, 33%)
1382 Ppm 20 Ml Sachet
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
TDS Tester for Water Conditioning
List Price: $20.99
Our Price: $13.99
(save $7, 33%)
Ph, Ec, Tds 3 In 1 Smart Digital Combination
List Price: $232.49
Our Price: $154.99
(save $77.5, 33%)
1/2 inch In-Line Probe Mounting Gland w/ Compressi...
List Price: $13.19
Our Price: $8.79
(save $4.4, 33%)
MA918B/1 pH Glass Refillable Probe, BNC Connector
List Price: $145.49
Our Price: $96.99
(save $48.5, 33%)
Little Time and Temp, Rainbow Lifegard
List Price: $26.99
Our Price: $17.99
(save $9, 33%)
Glass Cuvet for Hanna Colorimeter/Photometer Serie...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Potassium Photometer, Hanna
List Price: $320.99
Our Price: $213.99
(save $107, 33%)
Mi405 Ammonia Medium Range Photometer
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
ph 7.0 500 ml Calibration Solution, Nutradip
List Price: $14.99
Our Price: $9.99
(save $5, 33%)
Zero Oxygen Solution, 500 Ml
List Price: $20.99
Our Price: $13.99
(save $7, 33%)
Handheld Digital Ph Meter, Milwaukee
List Price: $29.93
Our Price: $19.95
(save $9.98, 33%)
Octopus Lab Grade Temperature Probe
List Price: $288.74
Our Price: $192.49
(save $96.25, 33%)
MA73600 pH Replacement Probe For Model pH51 Only
List Price: $49.49
Our Price: $32.99
(save $16.5, 33%)
Standard pH Probe, Neptune Systems
List Price: $82.49
Our Price: $54.99
(save $27.5, 33%)
Nitrite HR, ferrous sulphate method (100 Tests)
List Price: $52.49
Our Price: $34.99
(save $17.5, 33%)
Dissolved Oxygen reagent for LaMotte Smart 3 color...
List Price: $54.99
Our Price: $49.99
(save $5, 9%)
Reagent Kit For 100 Test With pH Unit Model Mi409
List Price: $17.99
Our Price: $11.99
(save $6, 33%)
Ph 10.01 20 Ml Sachet Of Buffer Solution
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
Hydrofarm Hydroponic pH Test Kit
List Price: $5.95
Our Price: $5.49
(save $0.46, 7%)
MC510 ORP Smart Controller, Milwaukee
List Price: $206.99
Our Price: $137.99
(save $69, 33%)
Octopus Standard Grade ORP Probe
List Price: $186.44
Our Price: $124.29
(save $62.15, 33%)
MA914BRI pH/°C Amplified Probe 1M Cable for Mi105
List Price: $172.49
Our Price: $114.99
(save $57.5, 33%)
MC310 EC - Conductivity Monitor
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Reagent for Hanna HI 711 Chlorine Checker HC - 25 ...
List Price: $14.24
Our Price: $9.49
(save $4.75, 33%)
Calcium Hardness Colorimeter Reagent (100 Tests)
List Price: $68.84
Our Price: $45.89
(save $22.95, 33%)
2 Replacement cuvette stoppers for MI412 meter.
List Price: $4.49
Our Price: $2.99
(save $1.5, 33%)
Iodine Replacement Reagent Kit, For MW13
List Price: $13.49
Our Price: $8.99
(save $4.5, 33%)
220 Ml Bottle Of Storage Solution
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
TDS - PPM Meter MW 401, Milwaukee
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Rs-485 Network Cable(Per 10ft.)
List Price: $26.39
Our Price: $17.59
(save $8.8, 33%)
Orp Probe Platinum Band Refillable, Hanna
List Price: $230.69
Our Price: $153.79
(save $76.9, 33%)
Mi58p pH/Orp/Temp Replacement Probe For pH58
List Price: $85.49
Our Price: $56.99
(save $28.5, 33%)
Copper Photometer with 555 nm LED, Hanna
List Price: $335.09
Our Price: $223.39
(save $111.7, 33%)
Iron reagent for LaMotte Smart 3 colorimeter
List Price: $64.49
Our Price: $44.99
(save $19.5, 30%)
Mi414 Chlorides Photometer
List Price: $266.99
Our Price: $240
(save $26.99, 10%)
Case Of 25, Ph 4.01 20 Ml Sachets, Milwaukee
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Guardian pH, Temp, Nutrient Monitor, Bluelab
List Price: $464.99
Our Price: $309.99
(save $155, 33%)
Octopus 3000 Temprature Probe Ext Cable 25ft
List Price: $145.19
Our Price: $96.79
(save $48.4, 33%)
Replacement 3 In 1 Probe For Sms801 / SMS802 Meter
List Price: $104.99
Our Price: $69.99
(save $35, 33%)
In-Line TDS Meter With Dual Readings
List Price: $74.99
Our Price: $49.99
(save $25, 33%)
Hanna Ammonia MR Colorameter Reagent Kit (100 test...
List Price: $82.49
Our Price: $54.99
(save $27.5, 33%)
Alkalinity reagent for LaMotte Smart 3 colorimeter
List Price: $79.49
Our Price: $52.99
(save $26.5, 33%)
MW10 Free Chlorine Mini-Colorimeter
List Price: $86.99
Our Price: $58
(save $28.99, 33%)
6.44 ppt TDS Calibration, 25 Sachets of 20 ml each
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
TDS - PPM Meter BEM401, Milwaukee
List Price: $104.99
Our Price: $69.99
(save $35, 33%)
AquaSurf Variable Speed Pump Module, Neptune Syst...
List Price: $338.24
Our Price: $131.95
(save $206.29, 60%)
5/8 inch In-Line Probe Mounting Gland w/ Compressi...
List Price: $13.19
Our Price: $8.79
(save $4.4, 33%)
MA919B/1 pH Glass Refillable Probe, BNC Connector
List Price: $188.99
Our Price: $125.99
(save $63, 33%)
LED Thermometer, Rainbow Lifegard
List Price: $26.99
Our Price: $17.99
(save $9, 33%)
Hanna HI 755 Checker HC - Alkalinity checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Hanna Potassium Colorameter Reagent Kit (100 Tests...
List Price: $151.79
Our Price: $101.19
(save $50.6, 33%)
Mi406 Free Chlorine Meter
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
ph 4.0 500 ml Calibration Solution, Nutradip
List Price: $14.99
Our Price: $9.99
(save $5, 33%)
Dissolved Oxygen Probe Electrolyte Filling
List Price: $31.49
Our Price: $22.99
(save $8.5, 26%)
T76 TDS - Waterproof Parts Per Million, ppm Tester
List Price: $80.99
Our Price: $53.99
(save $27, 33%)
9v Ac Power Supply Usa Only
List Price: $26.39
Our Price: $17.59
(save $8.8, 33%)
Replacement Probe for Milwaukee SM301 w/ SM401
List Price: $62.99
Our Price: $41.99
(save $21, 33%)
Probe Expansion Module, Neptune Systems
List Price: $313.49
Our Price: $208.99
(save $104.5, 33%)
pH, Phenol Red Method (100 Tests)
List Price: $31.64
Our Price: $21.09
(save $10.55, 33%)
Nitrate TesTab reagent for LaMotte Smart 3 colorim...
List Price: $49.99
Our Price: $42.99
(save $7, 14%)
Reagent Kit For 100 Test For pH & Chlorine
List Price: $52.49
Our Price: $34.99
(save $17.5, 33%)
5 Sachets M10030, M10031, M10032, M10038, M10080
List Price: $22.49
Our Price: $14.99
(save $7.5, 33%)
Hanna ORP And Ph Waterproof Handheld Digital
List Price: $203.99
Our Price: $135.99
(save $68, 33%)
Octopus pH and ORP Calibration Kit
List Price: $82.49
Our Price: $54.99
(save $27.5, 33%)
MA915B/2 pH Glass Probe, Ground Glass Junction BNC
List Price: $83.99
Our Price: $55.99
(save $28, 33%)
MC410 TDS - PPM Monitor
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Hanna HI 713 Checker HC - Free Phosphate checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Nitrate Photometer with 555 nm LED, Low Range, Han...
List Price: $351.59
Our Price: $234.39
(save $117.2, 33%)
Wiping Tissue For Glass Cuvette (4 Pcs)
List Price: $11.99
Our Price: $7.99
(save $4, 33%)
Iron Replacement Reagent Kit - 25 Packets For MW14
List Price: $13.49
Our Price: $8.99
(save $4.5, 33%)
220 Ml Bottle Of Cleaning Solution Milwaukee
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)
Orp Meter MW500, Milwaukee
List Price: $151.49
Our Price: $100.99
(save $50.5, 33%)
Octopus Lab Grade ORP Probe
List Price: $344.84
Our Price: $243.99
(save $100.85, 29%)
Replacement Electrode For Hand Held Combo
List Price: $83.69
Our Price: $55.79
(save $27.9, 33%)
Mi59p EC/TDS/Temp Replacement Probe For Ec59 & Ec6...
List Price: $68.99
Our Price: $45.99
(save $23, 33%)
Copper HR, bicichoninate acid method (100 Tests)
List Price: $55.79
Our Price: $37.19
(save $18.6, 33%)
Nitrite Nitrogen reagent for LaMotte Smart 3 color...
List Price: $74.99
Our Price: $64.99
(save $10, 13%)
Reagent Kit For 100 Test, Mi404
List Price: $35.99
Our Price: $23.99
(save $12, 33%)
Ph 4.01 20 Ml Sachet Of Buffer Solution
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)
Waterproof Ph Pocket Tester From Bluelab
List Price: $157.49
Our Price: $104.99
(save $52.5, 33%)
MA750 Hard Carrying Case (Thin Brief Case Size)
List Price: $44.99
Our Price: $29.99
(save $15, 33%)
UPS Battery Backup
List Price: $399.29
Our Price: $266.19
(save $133.1, 33%)
MA851D/1 pH/EC/TDS/°C Amplified Probe
List Price: $145.49
Our Price: $96.99
(save $48.5, 33%)
Pocket Thermometer with Stainless Steel Probe
List Price: $52.04
Our Price: $34.69
(save $17.35, 33%)
Hanna Phosphate HR Colorameter Reagent Kit (100 te...
List Price: $55.49
Our Price: $36.99
(save $18.5, 33%)
Chlorine reagent for LaMotte Smart 3 colorimeter
List Price: $39.99
Our Price: $32.99
(save $7, 17%)
Total Chlorine Mini Colorimeter, Milwaukee
List Price: $86.99
Our Price: $57.99
(save $29, 33%)
800 ppm TDS Calibration, 25 Sachets, 20 ml each
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Milwaukee Waterproof Conductivity Tester.
List Price: $80.99
Our Price: $53.99
(save $27, 33%)
Aquacontroller Jr. w/ Temp Probe and SR Interface
List Price: $230.99
Our Price: $153.99
(save $77, 33%)
3/8 inch In-Line Probe Mounting Gland w/ Compressi...
List Price: $13.19
Our Price: $8.79
(save $4.4, 33%)
MA920B/1 pH PVDF Shaft Probe BNC Connector
List Price: $134.99
Our Price: $99.99
(save $35, 25%)
Liquid Reagent for Hanna HI 755 Alkalinity Checker...
List Price: $14.24
Our Price: $9.49
(save $4.75, 33%)
Copper Photometer w/ 560 nm Filter and Cal Check, ...
List Price: $418.94
Our Price: $279.29
(save $139.65, 33%)
Mi407 Ammonia Low Range Photometer
List Price: $266.99
Our Price: $177.99
(save $89, 33%)
Target 10 1000 ppm 500 ml Tds Solution, Nutradip
List Price: $14.99
Our Price: $9.99
(save $5, 33%)
Active Eye Quantum PAR Meter
List Price: $164.95
Our Price: $149.99
(save $14.96, 9%)
Water Resistant pH Indicator w/ Visual Alarm, Hann...
List Price: $178.49
Our Price: $118.99
(save $59.5, 33%)
Octopus Level Switch Assembly
List Price: $122.09
Our Price: $81.39
(save $40.7, 33%)
EC Conductivity/TDS Probe With 1 Meter Cable
List Price: $64.49
Our Price: $42.99
(save $21.5, 33%)
Standard Temperature Probe, Neptune Systems
List Price: $66.59
Our Price: $44.39
(save $22.2, 33%)
pH, Phenol Red Method (300 Tests)
List Price: $87.44
Our Price: $58.29
(save $29.15, 33%)
Chloride TesTab reagent for LaMotte Smart 3 colori...
List Price: $49.99
Our Price: $42.99
(save $7, 14%)
Milwaukee Phosphate Colorimeter Reagent
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
12.880 µS/cm Conductivity Calibration Sachets
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Waterproof pH Tester with Replaceable Electrode, H...
List Price: $132.74
Our Price: $88.49
(save $44.25, 33%)
5
Portable pH Monitor Manual Calibration, Milwaukee ...
List Price: $107.99
Our Price: $71.99
(save $36, 33%)
Octopus Freshwater 718uS Conductivity Calibration ...
List Price: $59.99
Our Price: $42.69
(save $17.3, 28%)
MA915B/3 pH Glass Probe, Ground Glass Junction BNC
List Price: $86.99
Our Price: $57.99
(save $29, 33%)
MW302 EC - Conductivity Meter
List Price: $109.49
Our Price: $72.99
(save $36.5, 33%)
Reagent for Hanna HI 713 Phosphate Checker HC - 25...
List Price: $14.24
Our Price: $9.49
(save $4.75, 33%)
Nitrate, Cadmium Reduction Method (100 Tests)
List Price: $102.29
Our Price: $68.19
(save $34.1, 33%)
10 ml Glass Cuvette For Mi415 (2 Pcs)
List Price: $11.99
Our Price: $7.99
(save $4, 33%)
Aqua Medic Ph 4 Calibration Fluid, 40 Ml.
List Price: $8.24
Our Price: $5.49
(save $2.75, 33%)
220 Ml Bottle Of Orp Solution 200-275 Mv
List Price: $20.99
Our Price: $13.99
(save $7, 33%)
ORP57 ORP Waterproof Dual Level Tester
List Price: $131.99
Our Price: $87.99
(save $44, 33%)
Octopus Lab Grade pH Probe
List Price: $259.04
Our Price: $172.69
(save $86.35, 33%)
Lamotte Electrode Soaker Bottle With Twist
List Price: $16.49
Our Price: $10.99
(save $5.5, 33%)
Replacement 3 In 1 Probe For MW801 and MW802 Meter
List Price: $104.99
Our Price: $74.99
(save $30, 28%)
Silica Photometer with 890 nm LED, Hanna
List Price: $362.69
Our Price: $241.79
(save $120.9, 33%)
Phosphate reagent for LaMotte Smart 3 colorimeter
List Price: $61.99
Our Price: $46.99
(save $15, 24%)
Reagent Kit For 100 Test With Ammonia Mi405
List Price: $43.49
Our Price: $28.99
(save $14.5, 33%)
Case Of 25, Ph 7.01 20 Ml Sachets, Milwaukee
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Waterproof PPM Pocket Tester From Bluelab
List Price: $119.99
Our Price: $79.99
(save $40, 33%)
MC110 pH Monitor, Range: 0.0 To 14.0
List Price: $131.99
Our Price: $91.99
(save $40, 30%)
Octopus Dual 9V Battery Backup
List Price: $74.24
Our Price: $49.49
(save $24.75, 33%)
MA9025 ORP Probe Conditioning Kit
List Price: $16.49
Our Price: $10.99
(save $5.5, 33%)
Waterproof Electronic Thermometer, Hanna
List Price: $67.94
Our Price: $45.29
(save $22.65, 33%)
Phosphate HR, Amino Acid Method (300 Tests)
List Price: $117.14
Our Price: $78.09
(save $39.05, 33%)
Reagent Kit Phosphate Low Range, Milwaukee
List Price: $11.99
Our Price: $7.99
(save $4, 33%)
Phosphate Low Range Mini Colorimeter, Milwaukee
List Price: $86.99
Our Price: $57.99
(save $29, 33%)
1500 ppm TDS Calibration Solution, 25 Sachets
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
C66 EC - Waterproof Conductivity Tester
List Price: $80.99
Our Price: $53.99
(save $27, 33%)
Aquanotes Version 3
List Price: $131.99
Our Price: $87.99
(save $44, 33%)
Conductivity Cell (3/4 inch Slip PVC Fitting)
List Price: $42.89
Our Price: $28.59
(save $14.3, 33%)
Replacement Orp Probe 2 M Cable, Milwaukee
List Price: $56.99
Our Price: $39.99
(save $17, 29%)
Glass Thermometer, Won Brothers
List Price: $2.09
Our Price: $1.39
(save $0.7, 33%)


1  2  3  4  5  6  7  8  9  10  11  12  13  14  15   [ View All ]