Fish Turtles and Frogs » Aquarium Meters Regulators
| 7-in-1 Meter Tester , ORP , PH, CF, EC, TDS (PPM) °F °C
$119.00 
7-in-1 Meter Tester , ORP , PH, CF, EC, TDS (PPM) °F °C
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| Tsunami Auto-Top Off Aquarium Water Level Controller
$64.95
Tsunami Auto-Top Off Aquarium Water Level Controller
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| 7-in-1 Meter Tester , ORP , PH, CF, EC, TDS (PPM) °F °C
$119.00
7-in-1 Meter Tester , ORP , PH, CF, EC, TDS (PPM) °F °C
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| Hanna pH TESTER, METER Aquarium Hydroponics Lab
$28.05
Hanna pH TESTER, METER Aquarium Hydroponics Lab
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| CO2 Safe Tubing CO2 Resistant for Regulator Reactor 6'
$5.95
CO2 Safe Tubing CO2 Resistant for Regulator Reactor 6'
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| SMS122 pH Monitor CO2 Controller sms 122 dosing co 2
$99.99
SMS122 pH Monitor CO2 Controller sms 122 dosing co 2
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| Auto Water Filler in your Tank ~ Avoid no water!
$15.50
Auto Water Filler in your Tank ~ Avoid no water!
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| High Accuracy pH Meter + 2 Solution, Aquarium, Tester
$19.90
High Accuracy pH Meter + 2 Solution, Aquarium, Tester
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| Auto Water Filler in your Tank ~ Avoid no water!
$17.88
Auto Water Filler in your Tank ~ Avoid no water!
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| Aquarium Digital Thermometer Fish Tank Water
$7.50
Aquarium Digital Thermometer Fish Tank Water
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| Milwaukee SMS122 pH Controller, for CO2 Dosing Monitor
$107.95
Milwaukee SMS122 pH Controller, for CO2 Dosing Monitor
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| Mason Plott - Pentair Aquatics Lifegard Big Temp Alert
$0.01 Mason Plott - Pentair Aquatics Lifegard Big Temp Alert
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| Water Level Alarm for Fish Tank (With Light Function)
$4.99
Water Level Alarm for Fish Tank (With Light Function)
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| Water Level Alarm for Fish Tank (With Light Function)
$4.99
Water Level Alarm for Fish Tank (With Light Function)
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| Turbo CO2 Bio System Generator Plant Aquarium Red Sea
$35.95
Turbo CO2 Bio System Generator Plant Aquarium Red Sea
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| Mason Plott - American Marine PINPOINT pH Monitorâ„¢
$56.00 Mason Plott - American Marine PINPOINT pH Monitorâ„¢
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| CORNING pH METER
$7.49 CORNING pH METER
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| Auto-Top Off Aquarium Water Level Controller
$0.99 Auto-Top Off Aquarium Water Level Controller
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| Aqua Medic Niveaumat Auto top off system ATO Free SH
$129.99
Aqua Medic Niveaumat Auto top off system ATO Free SH
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| High Accuracy pH Meter + 2 Solution, Aquarium, Tester
$19.90
High Accuracy pH Meter + 2 Solution, Aquarium, Tester
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| Floating Hydrometer for Aquarium tank
$1.00
Floating Hydrometer for Aquarium tank
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| TDS Meter, PPM Tester for RO DI water filters, reef
$9.90 TDS Meter, PPM Tester for RO DI water filters, reef
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| NEW CO2 Regulator Solenoid Complete Kit
$66.99
NEW CO2 Regulator Solenoid Complete Kit
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| Aquarium Digital Thermometer Fish Tank Water
$7.50
Aquarium Digital Thermometer Fish Tank Water
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| Digital LED Heater & Chiller Controller ATC 800 NIB!!!
$39.99
Digital LED Heater & Chiller Controller ATC 800 NIB!!!
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| Aquarium Hydro pH Probe Electrode with BNC Connector
$14.87
Aquarium Hydro pH Probe Electrode with BNC Connector
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| Azoo CO2 Pressure Regulator with Magnetic Valve New
$48.99 Azoo CO2 Pressure Regulator with Magnetic Valve New
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| Auto Water Filler in your Tank ~ Avoid no water!
$15.50
Auto Water Filler in your Tank ~ Avoid no water!
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| Auto Water Filler in your Tank ~ Avoid no water!
$15.50
Auto Water Filler in your Tank ~ Avoid no water!
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| CO2 Reactor Hydor Exclsive Green NRG System
$115.99
CO2 Reactor Hydor Exclsive Green NRG System
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| CO2 Reactor 500 Dosing Planted Aquarium Red Sea
$37.95
CO2 Reactor 500 Dosing Planted Aquarium Red Sea
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| Turbo Bio Generator CO2 System Plant Aquarium Red Sea
$35.95
Turbo Bio Generator CO2 System Plant Aquarium Red Sea
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| Red Sea CO2 Diffuser Reactor 200 & Bubble Counter
$18.95
Red Sea CO2 Diffuser Reactor 200 & Bubble Counter
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| Digital Aquarium Thermometer Temperature Alert Tom
$21.95
Digital Aquarium Thermometer Temperature Alert Tom
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| Aquarium Flow Meter use on UV Reactor Canister TOM
$11.49
Aquarium Flow Meter use on UV Reactor Canister TOM
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| Aquarium Electrical Current Sensor Meter
$14.95 Aquarium Electrical Current Sensor Meter
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| Liquid Master Test Kits - SALT API
$21.99
Liquid Master Test Kits - SALT API
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| In-line Dual TDS Meter, after - before RO - DI monitor
$18.50 In-line Dual TDS Meter, after - before RO - DI monitor
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| Float plastic valve for aquarium, water level control
$9.50 Float plastic valve for aquarium, water level control
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| Floating Hydrometer for Aquarium tank
$1.00
Floating Hydrometer for Aquarium tank
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| Aquarium Fish Tank Digital Display Thermometer-AQ59
$1.95
Aquarium Fish Tank Digital Display Thermometer-AQ59
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| Aquarium Digital Thermometer Probe Fridge Temperature
$1.65
Aquarium Digital Thermometer Probe Fridge Temperature
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| PRO CO2 Regulator Solenoid(6 Outlets)+ 6 bubble counter
$127.99
PRO CO2 Regulator Solenoid(6 Outlets)+ 6 bubble counter
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| Aquarium Digital Thermometer Fish Tank Water
$7.50
Aquarium Digital Thermometer Fish Tank Water
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| IPA PH-202 PH Monitor Realtime Digital
$45.90
IPA PH-202 PH Monitor Realtime Digital
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| Weipro PH2010 Realtime PH Controller
$61.32
Weipro PH2010 Realtime PH Controller
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| Portable Refractometer - replaces hydrometer aquarium U
$2.25 Portable Refractometer - replaces hydrometer aquarium U
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| NEW DIGITAL PH METER FISH MARINE AQUARIUM, HYDROPONICS
$29.99 NEW DIGITAL PH METER FISH MARINE AQUARIUM, HYDROPONICS
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| New Advanced Aquarium pH Meter with Large LCD Display
$26.99 $28.99
New Advanced Aquarium pH Meter with Large LCD Display
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| ADA Glassware Green Drop New
$9.99 ADA Glassware Green Drop New
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| UltraLife ORP Monitor & Controller Model MC-102
$125.00
UltraLife ORP Monitor & Controller Model MC-102
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| ADA Glassware Spiral CO2 Beetle Counter - NEW in Box
$24.99 ADA Glassware Spiral CO2 Beetle Counter - NEW in Box
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| ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
$9.99 $39.99
ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
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| ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
$9.99 $39.99
ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
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| ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
$9.99 ATC-300 2 CHANNEL AQAURIUM TEMPERATURE CONTROLLER REEF
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| Red Sea Salanity Meter LOOK! Great Buy
$7.50
Red Sea Salanity Meter LOOK! Great Buy
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| EC Conductivity Tester Hydroponics Meter Nutrient mS cm
$20.90
EC Conductivity Tester Hydroponics Meter Nutrient mS cm
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| WEIPRO PH-2010 Aquarium PH Digital Controller
$64.00
WEIPRO PH-2010 Aquarium PH Digital Controller
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| WEIPRO PH-3010 ORP Controller for Fresh & Salt Aquarium
$120.00
WEIPRO PH-3010 ORP Controller for Fresh & Salt Aquarium
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| MARINA AQUA-MINDER - PROGRAMMABLE AQUARIUM ALARM - NEW
$7.99 $9.99
MARINA AQUA-MINDER - PROGRAMMABLE AQUARIUM ALARM - NEW
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| MARINA AQUA-MINDER - PROGRAMMABLE AQUARIUM ALARM - NEW
$7.99 $9.99
MARINA AQUA-MINDER - PROGRAMMABLE AQUARIUM ALARM - NEW
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| Brand New Aquarium Thermometer ST-3
$3.49
Brand New Aquarium Thermometer ST-3
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| Aquarium Digital Thermometer Fish Tank Water
$7.50
Aquarium Digital Thermometer Fish Tank Water
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| Brand New Aquarium Thermometer ST-3
$3.49
Brand New Aquarium Thermometer ST-3
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| Digital Hydrometer
$300.00 Digital Hydrometer
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| Ozone Generator + Air Dryer + Timer Redox , Aquarium O3
$79.90
Ozone Generator + Air Dryer + Timer Redox , Aquarium O3
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| HM Digital Ph 200 meter! Waterproof! Great meter!!
$0.99 HM Digital Ph 200 meter! Waterproof! Great meter!!
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| Lot of 3 Aquarium Thermometers
$0.99 Lot of 3 Aquarium Thermometers
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| Aqua Medic Reef Doser Twin Dosing Pump + Controller
$229.99
Aqua Medic Reef Doser Twin Dosing Pump + Controller
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| Neptune systems aqua controller pro px 1000 x10 8 3 III
$850.00
Neptune systems aqua controller pro px 1000 x10 8 3 III
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| Floating Hydrometer for Aquarium tank
$1.00
Floating Hydrometer for Aquarium tank
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| Ozone Generator + Air Dryer + Timer Redox , Aquarium O3
$79.90
Ozone Generator + Air Dryer + Timer Redox , Aquarium O3
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| CRITTER CULTURE(CORALIFE)DIGITAL THERMOMETER*NO RESERVE
$4.25 CRITTER CULTURE(CORALIFE)DIGITAL THERMOMETER*NO RESERVE
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| Aquarium Digital Thermometer Probe Fridge Temperature
$1.65
Aquarium Digital Thermometer Probe Fridge Temperature
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| Aquarium Gravel & Water Suction Vacuum Cleaner Tube 228
$0.99 $5.70
Aquarium Gravel & Water Suction Vacuum Cleaner Tube 228
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| Weipro PH 2010 PH Controller Realtime Digital
$59.90
Weipro PH 2010 PH Controller Realtime Digital
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| Digital pH TESTER pH600 Aquariums Reef Tanks RO Water
$21.95
Digital pH TESTER pH600 Aquariums Reef Tanks RO Water
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| NEW Portable PH Meter PH-Meter Tester Aquarium Monitor
$14.99 NEW Portable PH Meter PH-Meter Tester Aquarium Monitor
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| Water Level Alarm for Fish Tank (With Light Function)
$4.99
Water Level Alarm for Fish Tank (With Light Function)
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| PH Probe electrode fr Meter Tester Aquarium Monitor BNC
$15.51 PH Probe electrode fr Meter Tester Aquarium Monitor BNC
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| Neptune Systems Aquacontroller JR. & Temperature Probe
$75.00 Neptune Systems Aquacontroller JR. & Temperature Probe
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| Mardel Freshwater Ammonia Monitor
$10.99 $15.99
Mardel Freshwater Ammonia Monitor
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| API pH Aquarium Test Strips
$2.99 $4.99
API pH Aquarium Test Strips
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| API Nitrite Test Kit
$5.99 $7.99
API Nitrite Test Kit
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| Red Sea Master Test Lab PH, Amm, Nitrite, Nitrate, Alk NIB
$9.99 $19.99
Red Sea Master Test Lab PH, Amm, Nitrite, Nitrate, Alk NIB
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| Salinity Salt Water Refractometer Hydrometer In Box ATC
$8.99 $14.70
Salinity Salt Water Refractometer Hydrometer In Box ATC
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| MARINA LCD DIGITAL AQUARIUM THERMOMETER NEW
$0.49 MARINA LCD DIGITAL AQUARIUM THERMOMETER NEW
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| pH 10.01 Buffer Calibration Solution 220ml Milwaukee
$10.95
pH 10.01 Buffer Calibration Solution 220ml Milwaukee
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| pH 7.01 Buffer Calibration Solution 220ml Milwaukee
$10.95
pH 7.01 Buffer Calibration Solution 220ml Milwaukee
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| pH 4.01 Buffer Calibration Solution 220ml Milwaukee
$10.95
pH 4.01 Buffer Calibration Solution 220ml Milwaukee
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| Tsunami Auto-Top Off Aquarium Water Level Controller
$64.95
Tsunami Auto-Top Off Aquarium Water Level Controller
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| NEW CO2 Regulator Solenoid and FREE Bubble Counter
$62.99
NEW CO2 Regulator Solenoid and FREE Bubble Counter
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| Coralife Digital Fish Tank Aquarium Liquid Thermometer
$5.99
Coralife Digital Fish Tank Aquarium Liquid Thermometer
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| Teco SeaChill TR15 Chiller 1 5HP Aquarium Chiller!!
$450.00 $700.00
Teco SeaChill TR15 Chiller 1 5HP Aquarium Chiller!!
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| 20 packets Pinpoint pH Meter Monitor Calibration Fluid
$7.00 20 packets Pinpoint pH Meter Monitor Calibration Fluid
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