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Aquarium Elements Digital PH Meter Aquarium Elements Handheld Digital pH Meter

Product Code: RF50008


List Price: (Members Only)
32 In Stock
Aquarium Elements TDS / pH / EC / Temp Meter Aquarium Elements TDS / pH / EC / Temp Meter

Product Code: RF50007


List Price: (Members Only)
107 In Stock
Aquarium Elements TDS Water Tester Aquarium Elements TDS Water Tester

Product Code: RF50006


List Price: (Members Only)
200 In Stock
AutoAqua Digital Inline TDS - Titanium One AutoAqua Digital Inline TDS - Titanium One

Product Code: AA21188
UPC - 4714041211887
MSP/MAP/MRP: $29.99


List Price: (Members Only)
8 In Stock
AutoAqua Digital Inline TDS - Titanium S1 AutoAqua Digital Inline TDS - Titanium S1

Product Code: AA21189
UPC - 4714041211894
MSP/MAP/MRP: $29.99


List Price: (Members Only)
15 In Stock
AutoAqua Digital Inline TDS - Titanium S2 AutoAqua Digital Inline TDS - Titanium S2

Product Code: AA21190
UPC - 4714041211900
MSP/MAP/MRP: $39.99


List Price: (Members Only)
14 In Stock
AutoAqua Digital Inline TDS - Titanium S3 AutoAqua Digital Inline TDS - Titanium S3

Product Code: AA21191
UPC - 4714041211917
MSP/MAP/MRP: $49.99


List Price: (Members Only)
10 In Stock
AutoAqua Smart Stir AutoAqua Smart Stir

Product Code: AA21210
UPC - 4714041212105
MSP/MAP/MRP: $34.99


List Price: (Members Only)
12 In Stock
CoralVue Hydros iV Isolated Testing Vessel CoralVue Hydros iV Isolated Testing Vessel

Product Code: CV64157
UPC - 850009641571
MSP/MAP/MRP: $129.99


List Price: (Members Only)
6 In Stock
CoralVue Hydros Magnetic Temperature Sensor CoralVue Hydros Magnetic Temperature Sensor

Product Code: CV21198
UPC - 4714041211986
MSP/MAP/MRP: $24.99


List Price: (Members Only)
1 In Stock
Coralvue Hydros Salinity Kit with Calibration Fluids CoralVue Hydros Salinity Kit with Calibration Fluids

Product Code: CV64158
UPC - 850009641588
MSP/MAP/MRP: $


List Price: (Members Only)
3 In Stock
CoralVue Hydros Slim Temperature Probe CoralVue Hydros Slim Temperature Probe

Product Code: CV64120
UPC - 850009641205
MSP/MAP/MRP: $24.99


List Price: (Members Only)
5 In Stock
Hanna High Range Copper Colorimeter Checker - HI702 Hanna High Range Copper Colorimeter Checker - HI702

Product Code: HA00702
MSP/MAP/MRP: $67.99


List Price: (Members Only)
59 In Stock
Hanna Low Range Phosphate Colorimeter Checker - HI713 Hanna Low Range Phosphate Colorimeter Checker - HI713

Product Code: HA00713
MSP/MAP/MRP: $67.99


List Price: (Members Only)
55 In Stock
Hanna Marine Ammonia Checker HC - HI784 Hanna Marine Ammonia Checker HC - HI784

Product Code: HA00784
MSP/MAP/MRP: $67.99


List Price: (Members Only)
30 In Stock
Hanna Marine Magnesium Checker HC - HI783 Hanna Marine Magnesium Checker HC - HI783

Product Code: HA00783
MSP/MAP/MRP: $67.99


List Price: (Members Only)
119 In Stock
Hanna Marine Master Waterproof Wireless Multiparameter Photometer Kit Hanna Marine Master Waterproof Wireless Multiparameter Photometer Kit

Product Code: HA97115
MSP/MAP/MRP: $449.99


List Price: (Members Only)
75 In Stock
Hanna Marine Nitrate High Range Checker - HI782 Hanna Marine Nitrate High Range Checker - HI782

Product Code: HA00782
MSP/MAP/MRP: $67.99


List Price: (Members Only)
193 In Stock
Hanna Marine Nitrate LR Handheld Colorimeter - HI781 Hanna Marine Nitrate LR Handheld Colorimeter - HI781

Product Code: HA00781
MSP/MAP/MRP: $67.99


List Price: (Members Only)
30 In Stock
Hanna Marine Phosphate Ultra Low Range Colorimeter Checker - HI774 Hanna Marine Phosphate Ultra Low Range Colorimeter Checker - HI774

Product Code: HA00774
MSP/MAP/MRP: $67.99


List Price: (Members Only)
144 In Stock
Hanna Marine Salinity Tester - HI98319 Hanna Marine Salinity Tester - HI98319

Product Code: HA98319
MSP/MAP/MRP: $89.99


List Price: (Members Only)
(Out of Stock)
Hanna Saltwater Aquarium Alkalinity Colorimeter (dKH) Checker - HI772 Hanna Saltwater Aquarium Alkalinity Colorimeter (dKH) Checker - HI772

Product Code: HA00772
MSP/MAP/MRP: $67.99


List Price: (Members Only)
211 In Stock
Hanna Saltwater Aquarium Calcium Colorimeter Checker - HI758U Hanna Saltwater Aquarium Calcium Colorimeter Checker - HI758U

Product Code: HA00758
MSP/MAP/MRP: $67.99


List Price: (Members Only)
142 In Stock
Hanna Saltwater Aquarium PH Colorimeter Checker - HI780 Hanna Saltwater Aquarium pH Colorimeter Checker - HI780

Product Code: HA00780
MSP/MAP/MRP: $67.99


List Price: (Members Only)
60 In Stock
HM Digital Dual TDS Monitor HM Digital Dual TDS Monitor w/ 1/4" push fittings

Product Code: HM00005
UPC - 891144000052


List Price: (Members Only)
816 In Stock
HM Digital pH/Temp Water Resistant HydroTester HM Digital pH/Temp Water Resistant HydroTester

Product Code: HM00017
UPC - 891144000175


List Price: (Members Only)
2 In Stock
HM Digital Pocket Size TDS & Temp Meter HM Digital Pocket Size TDS & Temp Meter

Product Code: HM00019
UPC - 891144000199


List Price: (Members Only)
(Out of Stock)
HM Digital SIngle TDS Monitor HM Digital SIngle TDS Monitor w/ 1/4" Push Fittings

Product Code: HM00009
UPC - 891144000090


List Price: (Members Only)
12 In Stock
HM Digital Triple TDS Monitor HM Digital Triple TDS Monitor w/ 1/4" Push Fittings

Product Code: HM00024
UPC - 891144000243


List Price: (Members Only)
29 In Stock
HM Digital Waterproof pH/Temp Meter HM Digital Waterproof pH/Temp Meter

Product Code: HM00002
UPC - 891144000021


List Price: (Members Only)
6 In Stock
HM Dual Side Meter COM 360 PH/TDS/Temp Water Resistant Handheld Meter HM Dual Side Meter COM 360 PH/TDS/Temp Water Resistant Handheld Meter

Product Code: HM00075
UPC - 891144000755


List Price: (Members Only)
4 In Stock
IceCap Salinity/Temperature Digital Pocket Tester IceCap Salinity/Temperature Digital Pocket Tester

Product Code: ICE00779
UPC - 851220007795
MSP/MAP/MSRP: $74.99


List Price: (Members Only)
7 In Stock
Milwaukee CD97 Digital Low Range TDS Pen Milwaukee CD97 Digital Low Range TDS Pen

Product Code: MIL00097
UPC -
MSP/MAP/MRP: $27.00


List Price: (Members Only)
18 In Stock
Milwaukee MA887 Digital Salinity Refractometer Milwaukee MA887 Digital Salinity Refractometer

Product Code: MIL00600
UPC - 810666006007
MSP/MAP/MRP: $142.00


List Price: (Members Only)
37 In Stock
Milwaukee MA911B/2 Lab Grade Double Junction pH Electrode with Extended Cable Milwaukee MA911B/2 Lab Grade Double Junction pH Electrode with Extended Cable

Product Code: MIL00901
UPC - 810666009015
MSP/MAP/MRP: $44.00


List Price: (Members Only)
23 In Stock
Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

Product Code: MIL00922
UPC - 810666009220
MSP/MAP/MRP: $84.00


List Price: (Members Only)
9 In Stock
Milwaukee MA9311 12V DC power adapter (115V) US style plug Milwaukee MA9311 12V DC power adapter (115V) US style plug

Product Code: MIL09311
UPC -
MSP/MAP/MRP: $19.00


List Price: (Members Only)
5 In Stock
Milwaukee MC120 PRO pH Monitor Milwaukee MC120 PRO pH Monitor

Product code: MIL00420
UPC - 810666004201
MSP/MAP/MRP: $109.00


List Price: (Members Only)
12 In Stock
Milwaukee MC811US MAX pH/EC/Temp Monitor Milwaukee MC811US MAX pH/EC/Temp Monitor

Product code: MIL03533
UPC - 810666035335
MSP/MAP/MRP: $241.00


List Price: (Members Only)
(Out of Stock)
Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

Product Code: MIL00312
UPC - 810666003129
MSP/MAP/MRP: $153.00


List Price: (Members Only)
11 In Stock
Milwaukee PH55 PRO Waterproof pH & Temperature Tester with Replaceable Probe Milwaukee pH55 PRO Waterproof pH & Temperature Tester with Replaceable Probe

Product Code: MIL00155
UPC - 810666001552
MSP/MAP/MRP: $61.00


List Price: (Members Only)
16 In Stock
Milwaukee pH600AQ Digital pH Pen Milwaukee pH600AQ Digital pH Pen

Product Code: MIL00160
UPC -
MSP/MAP/MRP: $27.00


List Price: (Members Only)
15 In Stock
Milwaukee Phosphate (Low Range) Photometer Milwaukee Phosphate (Low Range) Photometer

Product Code: MIL00042
UPC - 810666000425
MSP/MAP/MRP: $237.00


List Price: (Members Only)
1 In Stock
Milwaukee T75 Waterproof TDS Tester Milwaukee T75 Waterproof TDS Tester

Product Code: MIL00175
UPC -
MSP/MAP/MRP: $38.00


List Price: (Members Only)
7 In Stock
Neptune Reagent-2 Two Month Trident Reagent Supply Kit Neptune 2 Month Trident Reagent Supply Kit

Product Code: NS00474
UPC - 653078004748
MSP/MAP/MRP: $49.99


List Price: (Members Only)
6 In Stock
Neptune 2-Month Trident NP Reagent Kit Neptune 2-Month Trident NP Reagent Kit

Product Code: NS00505
UPC - 653078005059
MSP/MAP/MRP: $59.99


List Price: (Members Only)
5 In Stock
Neptune Reagent-6 Six Month Trident Reagent Supply Kit Neptune 6 Month Trident Reagent Supply Kit

Product Code: NS00475
UPC - 653078004755
MSP/MAP/MRP: $109.99


List Price: (Members Only)
6 In Stock
Neptune PH/ORP Temp Probe Module Neptune Apex PM1 - PH/ORP Temp Probe Module

Product Code: NS11097
UPC - 696859110979
MSP/MAP/MSRP: $94.99


List Price: (Members Only)
(Out of Stock)
Neptune Conductivity Temp Probe Module Neptune Apex PM2 - Conductivity Temp Probe Module

Product Code: NS11098
UPC - 696859110986
MSP/MAP/MSRP: $89.95


List Price: (Members Only)
3 In Stock
Neptune Systems APEX/JR Temperature Probe Neptune Apex Systems APEX/JR Temperature Probe

Product Code: NS11123
UPC -
MSP/MAP/MRP: $34.99


List Price: (Members Only)
4 In Stock
Neptune Systems Lab Grade Conductivity Probe Neptune Apex Systems Lab Grade Conductivity Probe

Product Code: NS11128
MSP/MAP/MSRP: $209.99


List Price: (Members Only)
(Out of Stock)
Neptune Double Junction Lab Grade ORP Probe Neptune Double Junction Lab Grade ORP Probe

Product Code: NSDJORP
MSP/MAP/MSRP: $104.99


List Price: (Members Only)
(Out of Stock)
Neptune Double Junction Lab Grade pH Probe Neptune Double Junction Lab Grade pH Probe

Product Code: NSDJLPH
MSP/MAP/MSRP: $94.99


List Price: (Members Only)
1 In Stock
Neptune Trident NP Nitrate & Phosphate Tester Neptune Trident NP Nitrate & Phosphate Tester (Without Reagents)

Product Code: NS00504
UPC - 653078005042
MSP/MAP/MRP: $649.99


List Price: (Members Only)
(Out of Stock)
Neptune Trident Water Analyzer Neptune Trident Water Analyzer

Product Code: NS00455
UPC - 653078004557
MSP/MAP/MRP: $674.99


List Price: (Members Only)
7 In Stock