![Replacement Sodium Sensor for LAQUA Twin Replacement Sodium Sensor for LAQUA Twin](images/SP02540GLTN-.jpg) | Replacement Sodium Sensor for LAQUA Twin*** | $5,174.00MN |
![Meade Polaris 90mm German Equatorial Refractor Meade Polaris 90mm German Equatorial Refractor](images/ME216003TN-.jpg) | Meade Polaris 90mm German Equatorial Refractor | $10,783.00MN |
![Spec 9 Pro Software Spec 9 Pro Software](images/SP03654P9TN-.jpg) | Spec 9 Pro Software*** | $4,665.00MN |
![Milwaukee CD601 Digital Conductivity Pen (EC) Milwaukee CD601 Digital Conductivity Pen (EC)](images/CD601TN-.jpg) | Milwaukee CD601 Digital Conductivity Pen (EC)*** | $1,615.00MN |
![Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Rep Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Rep](images/pH58TN-.jpg) | Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Rep*** | $6,356.00MN |
![150 ppm Ca2+ Standard, 6 - 14mL bottles 150 ppm Ca2+ Standard, 6 - 14mL bottles](images/SP02460LTN-.jpg) | 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,600.00MN |
![Quantum Light Sensor Quantum Light Sensor](images/SP03668ITN-.jpg) | Quantum Light Sensor*** | $7,337.00MN |
![Wireless Vantage Vue Wireless Vantage Vue](images/DA06242MTN-.jpg) | Wireless Vantage Vue*** | $15,721.00MN |
![Eyepiece SP 4000 32mm 1.25" Meade Eyepiece SP 4000 32mm 1.25" Meade](images/sp320TN-.JPG) | Eyepiece SP 4000 32mm 1.25" Meade*** | $3,607.00MN |
![3.0mm Orion Edge-On Planetary Eyepiece 3.0mm Orion Edge-On Planetary Eyepiece](images/OR08884TN-.jpg) | 3.0mm Orion Edge-On Planetary Eyepiece*** | $4,382.00MN |
![WaterScout SM 100 Sensor - 6ft(1.8m) WaterScout SM 100 Sensor - 6ft(1.8m)](images/SP06460TN-.jpg) | WaterScout SM 100 Sensor - 6ft(1.8m)*** | $4,640.00MN |
![150 ppm Na+ Standard, 6 - 14mL bottles 150 ppm Na+ Standard, 6 - 14mL bottles](images/HOY022LTN-.jpg) | 150 ppm Na+ Standard, 6 - 14mL bottles*** | $1,804.00MN |
![CO2 Monitor CO2 Monitor](images/SP02655TN-.jpg) | CO2 Monitor*** | $22,729.00MN |
![2000 ppm Ca2+ Standard, 6 - 14mL bottles 2000 ppm Ca2+ Standard, 6 - 14mL bottles](images/SP02461LTN-.jpg) | 2000 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,804.00MN |
![Quantum Light Sensor Quantum Light Sensor](images/SP03668I6TN-.jpg) | Quantum Light Sensor*** | $10,130.00MN |
![Irrigation On/Off Sensor Irrigation On/Off Sensor](images/SP06451TN-.jpg) | Irrigation On/Off Sensor*** | $11,356.00MN |
![Orion SkyGlow Broadband Light-Pollution Filters Orion SkyGlow Broadband Light-Pollution Filters](images/05660TN-.png) | Orion SkyGlow Broadband Light-Pollution Filters*** | $1,925.00MN |
![UV Sensor UV Sensor](images/SP03676ITN-.jpg) | UV Sensor*** | $8,353.00MN |
![Temperature (Micro) Sensor Temperature (Micro) Sensor](images/SP03667STN-.jpg) | Temperature (Micro) Sensor*** | $6,493.00MN |
![Vantage Vue Console Vantage Vue Console](images/DA06351TN-.jpg) | Vantage Vue Console*** | $6,221.00MN |
![U52-10 Multi-parameter Water Quality Meter U52-10 Multi-parameter Water Quality Meter](images/SP02195-10TN-.jpg) | U52-10 Multi-parameter Water Quality Meter*** | $130,564.00MN |
![WaterScout SM 100 Sensor - 20ft WaterScout SM 100 Sensor - 20ft](images/SP06460-20TN-.jpg) | WaterScout SM 100 Sensor - 20ft*** | $2,695.00MN |
![MT-16 Grain Moisture Tester MT-16 Grain Moisture Tester](images/AG08155TN-.jpg) | MT-16 Grain Moisture Tester | $8,545.00MN |
![Spare pH probe for D-54 Meter Spare pH probe for D-54 Meter](images/imagenNoDisponibleTN-.jpg) | Spare pH probe for D-54 Meter*** | $10,543.00MN |
![2" Orion 13% Transmission Moon Filter 2" Orion 13% Transmission Moon Filter](images/OR05594TN-.png) | 2" Orion 13% Transmission Moon Filter*** | $837.00MN |
![Kestrel USB Interface Kestrel USB Interface](images/KR00804USBTN-.jpg) | Kestrel USB Interface | $1,699.00MN |
![3.5mm Orion Stratus Wide-Field Eyepiece 3.5mm Orion Stratus Wide-Field Eyepiece](images/OR08241TN-.jpg) | 3.5mm Orion Stratus Wide-Field Eyepiece | $4,826.00MN |
![Eyepiece SP 4000 40mm 1.25" Meade Eyepiece SP 4000 40mm 1.25" Meade](images/sp400TN-.JPG) | Eyepiece SP 4000 40mm 1.25" Meade*** | $1,979.00MN |
![QHY CCD PoleMaster QHY CCD PoleMaster](images/QHYCCDPoleMasterTN-.jpg) | QHY CCD PoleMaster*** | $10,208.00MN |
![Eyepiece SP 4000 15.0mm 1.25" Meade Eyepiece SP 4000 15.0mm 1.25" Meade](images/sp150TN-.JPG) | Eyepiece SP 4000 15.0mm 1.25" Meade*** | $968.00MN |
![150 ppm K+ DI Standard 150 ppm K+ DI Standard](images/HOY031LTN-.jpg) | 150 ppm K+ DI Standard*** | $1,804.00MN |
![Orion Expanse Telescope Eyepieces Orion Expanse Telescope Eyepieces](images/expanseTN-.png) | Orion Expanse Telescope Eyepieces*** | $2,027.00MN |
![Milwaukee EC40 EC/TDS Nutrient Meter Milwaukee EC40 EC/TDS Nutrient Meter](images/MLK-EC40TN-.jpg) | Milwaukee EC40 EC/TDS Nutrient Meter*** | $3,684.00MN |
![WaterScout Calibration Device WaterScout Calibration Device](images/SP06470CAL3VTN-.jpg) | WaterScout Calibration Device*** | $2,160.00MN |
![20mm Orion Expanse Eyepiece 20mm Orion Expanse Eyepiece](images/OR08923TN-.png) | 20mm Orion Expanse Eyepiece*** | $2,027.00MN |
![U53-10 Multi-parameter Water Quality Meter U53-10 Multi-parameter Water Quality Meter](images/SP02195-10TN-.jpg) | U53-10 Multi-parameter Water Quality Meter*** | $369,932.00MN |
![Eyepiece SP 4000 12.4mm 1.25" Meade Eyepiece SP 4000 12.4mm 1.25" Meade](images/sp124TN-.JPG) | Eyepiece SP 4000 12.4mm 1.25" Meade*** | $879.00MN |
![Corn Stove Moisture Tester Corn Stove Moisture Tester](images/AG08160TN-.jpg) | Corn Stove Moisture Tester*** | $8,882.00MN |
![3.68in. ID Orion Full Aperture Solar Filter 3.68in. ID Orion Full Aperture Solar Filter](images/OR07745TN-.png) | 3.68in. ID Orion Full Aperture Solar Filter*** | $2,398.00MN |
![Tipping Bucket Rain Collector Tipping Bucket Rain Collector](images/SP03665RTN-.jpg) | Tipping Bucket Rain Collector | $7,758.00MN |
![Replacement Calcium Sensor for LAQUA Twin Replacement Calcium Sensor for LAQUA Twin](images/SP02455LTN-.jpg) | Replacement Calcium Sensor for LAQUA Twin*** | $5,174.00MN |
![3" Levitating Globe 3" Levitating Globe](images/RPG49201TN-.jpg) | 3" Levitating Globe | $679.00MN |
![Eyepiece SP 4000 9.7mm 1.25" Meade Eyepiece SP 4000 9.7mm 1.25" Meade](images/sp970TN-.JPG) | Eyepiece SP 4000 9.7mm 1.25" Meade*** | $879.00MN |
![38mm Orion Q70 Wide-Field Telescope Eyepiece 38mm Orion Q70 Wide-Field Telescope Eyepiece](images/OR08829TN-.jpg) | 38mm Orion Q70 Wide-Field Telescope Eyepiece*** | $4,157.00MN |