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Controllers & Testing

73 products

Showing 1 - 48 of 73 products

Showing 1 - 48 of 73 products
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Neptune Systems LLS Liquid Level Sensor 35 Inch
Neptune Systems LLS Liquid Level Sensor 23 Inch
Neptune Systems LLS Liquid Level Sensor 4 Inch
Neptune Systems Magnetic Optical Sensor
Neptune Systems Magnetic Optical Sensor
Sale price$53.99
In stock
Neptune Systems LD-3 Optical Multi-Surface Leak Sensor
Neptune Systems 1Link Module set w/ power supply
Salifert Potassium Test Kit
Salifert Potassium Test Kit
Sale price$24.99
In stock
Salifert Silicate Test Kit
Salifert Silicate Test Kit
Sale price$22.99
In stock
Reagent Nitrate HI783-25
Reagent Nitrate HI783-25
Sale price$21.99
In stock
Neptune Systems 1Link Extension Cable - 10 ft
Neptune Systems 24V Apex Power Supply
Neptune Systems 24V Apex Power Supply
Sale price$40.99
In stock
Neptune Systems Temperature Probe For Apex Controllers
Aquaforest Lab ICP TestAquaforest Lab ICP Test
Aquaforest Lab ICP Test
Sale priceFrom $39.99
In stock
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Salifert Copper Test Kit
Salifert Copper Test Kit
Sale price$21.99
In stock
Neptune Systems Magnetic Probe Rack (MPR) - Neptune Systems
A3 Apex Controller System - Neptune SystemsA3 Apex Controller System - Neptune Systems
A3 Apex PRO Controller System - Neptune SystemsA3 Apex PRO Controller System - Neptune Systems
Tropic Marin Hydrometer
Tropic Marin Hydrometer
Sale price$49.99
In stock
Hanna High Range Nitrate Reagents HI782-25
Reagent Nitrate HI781-25
Reagent Nitrate HI781-25
Sale price$27.99
In stock
Hanna Ultra Low Phosphate Refill HI774-25
Hanna Dkh Reagents HI772-26
Hanna Dkh Reagents HI772-26
Sale price$15.99
Sold out
Hanna Phosphate Reagent Test Kit Low Range HI713-25
Hanna Copper Refill HI702-25
Hanna Copper Refill HI702-25
Sale price$15.99
In stock
Hanna Phosphorus Reagent Refill Ultra Low Range HI736-25
Hanna Alkalinity Checker Tester HI772Hanna Alkalinity Checker Tester HI773
Hanna Alkalinity Checker Tester HI772
Sale price$69.99
In stock
Hanna Calcium Checker HI758Hanna Calcium Checker HI759
Hanna Calcium Checker HI758
Sale price$69.99
In stock
Hanna Alkalinity Checker (ppm) HI755Hanna Alkalinity Checker (ppm) HI756
Hanna Alkalinity Checker (ppm) HI755
Sale price$69.99
In stock
Checker Phosphorus Ultra Low Range HI736Checker Phosphorus Ultra Low Range HI737
Checker Phosphorus Ultra Low Range HI736
Sale price$69.99
In stock
Hanna Phosphate High Range Checker HI717Hanna Phosphate High Range Checker HI718
Hanna Phosphate High Range Checker HI717
Sale price$69.99
In stock
Hanna Copper Checker HI702Hanna Copper Checker HI703
Hanna Copper Checker HI702
Sale price$69.99
In stock
Hanna Phosphate Low Range Checker HI713Hanna Phosphate Low Range Checker HI714
Hanna Phosphate Low Range Checker HI713
Sale price$69.99
In stock
Red Sea Reef Foundation Pro Multi Test Kit (Ca,Alk,Mg)Red Sea Reef Foundation Pro Multi Test Kit (Ca,Alk,Mg)
Red Sea Reef Colors Pro Multi Test KitRed Sea Reef Colors Pro Multi Test Kit
Red Sea Potassium Pro Test Kit (
Red Sea Phosphate Pro Test Kit
Red Sea Phosphate Pro Reagent Refill Kit
Red Sea Phosphate Pro Reagent Refill Kit
Sale price$43.99
In stock
Red Sea Nitrate Pro Test Kit
Red Sea Nitrate Pro Test Kit (100 tests)
Sale price$77.99
In stock
Red Sea Nitrate Pro Reagent Refill Kit
Red Sea Nitrate Pro Reagent Refill Kit
Sale price$43.99
In stock
Red Sea Marine Care Multi Test Kit
Red Sea Marine Care Multi Test Kit
Sale price$105.99
In stock
Red Sea Magnesium Pro Test Kit
Red Sea Magnesium Pro Reagent Refill Kit (100 test)
Red Sea Iodine Pro Test Kit
Red Sea Iodine Pro Test Kit (50 tests)
Sale price$77.99
In stock
Red Sea Calcium Pro Test Kit (75 tests)
Red Sea Calcium Pro Test Kit (75 tests)
Sale price$59.99
In stock
Red Sea Calcium Pro Reagent Refill Kit
Red Sea Calcium Pro Reagent Refill Kit
Sale price$35.99
In stock
MarinLab ICP-OES 2 Test (RO & Aquarium Water)
MarinLab ICP-OES 1 Test
MarinLab ICP-OES 1 Test
Sale price$44.99
In stock

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