| | VWR Sensor Cap Replacement 605114 | $6.69 |
| | VWR Battery Comprtmnt Replace 605115 | $6.69 |
| | VWR Batteries Replacement 605118 | $6.69 |
 | Beckman Coulter pH Buffers, Cubitainers, Beckman Coulter 863217 | $12.85 |
| | Mettler Toledo Electrode Sleeve 25654 | $16.07 |
 | EMD colorpHast pH Test Strips, EMD Chemicals 9590-1 Universal Range | $17.93 |
| | Colorphast Ph Test Strips, Emd Chemicals 9583-0001 | $18.20 |
| | Mettler Toledo Sevengo Clip Cover 51302327 | $23.03 |
| | Mettler Toledo Sevengo Rubber Feet PK2 51302335 | $24.47 |
 | Thermo Fisher Scientific ORION pH Buffer Solutions, Thermo Fisher Scientific Scientific 910918 | $25.71 |
 | Control Company Conductivity Calibration Standards 4161 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) | $26.12 |
 | Control Company Conductivity Calibration Standards 4162 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) | $26.12 |
 | Thermo Fisher Scientific ORION pH Buffer Solutions, Thermo Fisher Scientific Scientific 910168 | $27.16 |
| | Mettler Toledo Sevengo Bottom Cap 51302324 | $28.79 |
| | Mettler Toledo Guide F/ISE Measurement 51300075 | $30.24 |
 | VWR Digital Data Logger Thermometers 4236 Accessories Ac Adapter For 61220-601, 115V | $31.70 |
 | Thermo Fisher Scientific ORION pH Buffer Solutions, Thermo Fisher Scientific Scientific 910686 | $32.87 |
 | Control Company Redi-Stor Conductivity Probe Storage Solution 4170 Vwr Conductivity Probe Strge | $33.26 |
| | Mettler Toledo Ceramic Diaphragm Cleaner 110304 | $33.93 |
 | Control Company Conductivity Calibration Standards 4172 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) | $36.22 |
 | Control Company Conductivity Calibration Standards 4178 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) | $36.22 |
 | Yellow Springs Accessories for Oxygen Meters, YSI 5775 Kit, Standard Membranes | $36.94 |
 | Beckman Coulter Filling Solutions, Beckman Coulter 511175 | $37.78 |
| | Amber Science Vwr Cell Connector Therm 500-6 500-6 Vwr Cell Connector Therm 500-6 | $38.13 |
 | Beckman Coulter Filling Solutions, Beckman Coulter 511176 | $38.42 |
 | Beckman Coulter Filling Solutions, Beckman Coulter 511177 | $38.42 |
 | Beckman Coulter Filling Solutions, Beckman Coulter 511178 | $38.42 |
| | Mettler Toledo Sevengo Electrode Clip 51302325 | $38.48 |
| | Mettler Toledo Sevengo Field Elec Arm 51302334 | $38.48 |
 | Thermo Fisher Scientific sympHony Solutions P04059 Five-Packs Of 59.1 Ml (2 oz.) Bottles Ammonia Internal Fill Solution | $38.96 |
| | VWR Calibration Sleeve Symphny P04063 | $38.96 |
 | Whatman pH Indicator Strips, Whatman 10360005 Ph Paper Panepha 0.1-14 PK200 | $39.53 |
 | Control Company Conductivity Calibration Standards 4179 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) | $40.15 |
 | Labconco Chloridometer Digital Chloride Meter, Labconco 4425064 Accessories Gelatin Reagent, 6.2 g | $40.45 |
| | Mettler Toledo Ergo Electrode Tube 51302323 | $40.96 |
 | Beckman Coulter pH Electrode Filling Solutions, Beckman Coulter 511469 3.5M Kcl (for Phresh Electrodes) | $41.58 |
| | Mettler Toledo Sevengo Sealing Kit 51302336 | $41.73 |
| | VWR Symp Paper MANUAL- All 1040001 | $42.61 |
| | VWR Symphony Cd MANUAL-ALL 1040002 | $42.61 |
 | Thermo Fisher Scientific Orion Conductivity Standards, Thermo Fisher Scientific Scientific 01100510 | $43.13 |
 | Thermo Fisher Scientific Orion Conductivity Standards, Thermo Fisher Scientific Scientific 01100610 | $43.13 |
 | Thermo Fisher Scientific Orion Conductivity Standards, Thermo Fisher Scientific Scientific 01100710 | $43.13 |
 | Thermo Fisher Scientific Orion Conductivity Standards, Thermo Fisher Scientific Scientific 01100910 | $43.13 |
| | Mettler Toledo Sevengo Wrist Strap 51302331 | $43.45 |
| | Thermo Fisher Scientific RS232 Orion Star Meter To Comp 1010053 RS232 Orion Star Meter To Comp | $43.48 |
| | Mettler Toledo Ergo Neck Strap 51302321 | $45.93 |
 | Yellow Springs Accessories for Oxygen Meters, YSI 5776 Kit, High Sensitivity Membranes | $46.20 |
 | Thermo Fisher Scientific sympHony Dissolved Oxygen Electrolyte Solution P04030 Vwr Symphony Do Solution | $48.70 |
 | Thermo Fisher Scientific ORION pH Buffer Solutions, Thermo Fisher Scientific Scientific 9116860 | $50.54 |
| | Mettler Toledo Replaceable Junction Tool and Ceramic Junctions, METTLER TOLEDO 51340268 Replaceable Ceramic Junctions | $50.90 |
| | VWR Symphony Cond 111US PK10 1040063 | $51.13 |
| | VWR Symphony Cond 12.9US PK10 1040064 | $51.13 |
| | VWR Symphony Cond 147US PK10 1040067 | $51.13 |
| | VWR EcoSense pH10 Handheld pH/Temperature Meter 605113 Accessories pH10 Electrode Replacement Kit | $51.91 |
| | Mettler Toledo Fill Solution F/DO Probe 51302046 | $54.62 |
| | Thermo Fisher Scientific Vwr RS232 Cable Symph Meter 1040013 Vwr RS232 Cable Symph Meter | $56.00 |
 | Thermo Fisher Scientific ORION Storage/Maintenance Solutions and Bottles, Thermo Fisher Scientific Scientific 910003 Storage Bottles With Screw Cap | $56.70 |
| | Mettler Toledo Sevengo Battery Cover 51302328 | $57.10 |
 | Thermo Fisher Scientific sympHony Solutions P04020 475 Ml (16 oz.) Bottles Ph Storage Solution | $60.87 |
 | Control Company Conductivity Calibration Standards 4274 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) | $61.25 |
 | Control Company Conductivity Calibration Standards 4270 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) | $62.17 |
 | Thermo Fisher Scientific sympHony Solutions P04018 Five-Packs Of 59.1 Ml (2 oz.) Bottles 4 M Kcl With Agcl | $63.30 |
 | Thermo Fisher Scientific sympHony Solutions P04019 Five-Packs Of 59.1 Ml (2 oz.) Bottles 4 M Kcl For Calomel | $63.30 |
 | Thermo Fisher Scientific sympHony Solutions P04054 475 Ml (16 oz.) Bottles Ionic Strength Adjustor (for Chloride And Silver sulfide) | $63.30 |
 | Thermo Fisher Scientific sympHony Solutions P04056 Five-Packs Of 59.1 Ml (2 oz.) Bottles Single Junction Reference Fill Solution | $63.30 |
 | Thermo Fisher Scientific sympHony Solutions P04057 Five-Packs Of 59.1 Ml (2 oz.) Bottles Double Junction Inner Reference Fill Solution | $63.30 |
| | Mettler Toledo Replaceable Junction Tool and Ceramic Junctions, METTLER TOLEDO 51340267 Replaceable Junction Tool | $63.30 |
| | Yellow Springs Cap Membrane KIT: 6 Membranes 5906 | $63.33 |