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 Discount Instrument is an online distributor for a range of professional instruments. We offer internet-leading prices made possible through the online nature of our ecommerce distribution method. We provide excellent customer services and competitive prices.
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Items are dispatched by Registered Air Mail from Hong Kong within 2 business days after we have received your cleared payment. Delivery is approximately 8-18 days, in most cases, it takes 7-10 days. We make sure that your ordered item(s) leaves our facility in a timely manner. Insurance is included in the Shipping & Handling costs you paid and charge the same shipping cost to customers worldwide (same shipping cost to United States, Europe and Australia).
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88 results found in PH Meters / Controllers
View as:ListSort by:Time: ending soonest
Picture [hide]Item titlePriceTime Left
Waterproof Digital pH Meter Tester  Hydroponics Aquariums Spa Thermometer °C/°F
 
0 Bids$23.50Time left:1h 26m
2-in-1 Waterproof DIGITAL pH Meter Tester Temperature °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$42.08Time left:9h 38m
2-in-1 Waterproof DIGITAL pH METER TESTER Temperature °C °F Water Test  w/ ATC
 
0 Bids$37.90Time left:15h 17m
2-in-1 Waterproof Digital pH Meter Tester Temperature °C °F ±0.05 Accuracy
 
0 Bids$37.90Time left:15h 19m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:20h 29m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
0 Bids$22.50Time left:21h 16m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
0 Bids$32.90Time left:21h 38m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$15.50Time left:22h 48m
DIGITAL PH METER Handheld Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
0 Bids$13.50Time left:23h 22m
Digital pH/Temperature Meter 3-Point Auto Calibration °C or °F, Waterproof IP67
 
Buy It Now or Best Offer$26.45Time left:2d 9h 11m
Waterproof pH Temperature meter Tester °C °F + Big LCD
 
Buy It Now or Best Offer$27.13Time left:5d 9h 49m
2in1 Soil pH Level and Moisture Meter Tester Plants Crops Flowers
 
0 Bids$35.50Time left:5d 10h 59m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
0 Bids$18.90Time left:5d 16h 1m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester
 
0 Bids$22.90Time left:5d 19h 9m
Professional PH meter Temperature High Accuracy ±0.05PH
 
0 Bids$37.90Time left:5d 19h 10m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:5d 21h 28m
DURABLE pH ELECTRODE BNC 3m Cable Water Meter Tester Aquarium + Buffer Solutions
 
0 Bids$17.90Time left:6d 2h 47m
7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
0 Bids$87.00Time left:6d 3h 32m
4 in 1 Plant SOIL SURVEY INSTRUMENT pH Temperature Moisture Sunlight Light Meter
 
0 Bids$17.90Time left:6d 6h 46m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy It Now or Best Offer$35.66Time left:6d 8h 21m
Digital pH Meter Tester Water Quality Monitor 14.00 pH Range Hydroponic Aquarium
 
Buy It Now or Best Offer$21.09Time left:6d 9h 7m
pH Powder Calibration Solution 4.00, 7.00 10.00pH set
 
0 Bids
$4.90
Free shipping
Time left:6d 19h 15m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$92.50Time left:6d 21h 30m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$95.90Time left:6d 22h 52m
New Digital pH Controller Meter Tester + Replaceable BNC Electrode  220V or 110V
 
Buy It Now or Best Offer$95.39Time left:7d 8h 55m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$106.90Time left:7d 9h 2m
Digital ph Orp (2 in 1) Controller BNC Electrodes Redox mV CO2 O3 220V or 110V
 
Buy It Now or Best Offer$112.38Time left:7d 9h 2m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.50Time left:7d 10h 22m
Soil pH Level & Moisture Meter Tester Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.69Time left:7d 10h 22m
 7-in-1 Digital WATER QUALITY MONITOR Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$98.80Time left:7d 13h 28m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
Buy It Now or Best Offer$94.50Time left:7d 14h 30m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer °C/°F
 
Buy It Now or Best Offer$28.84Time left:7d 16h 10m
pH BUFFER POWDER SOLUTION MEASURE CABLIBRATION 4.00, 7.00 10.00pH set Test Meter
 
0 Bids
$5.78
Free shipping
Time left:7d 17h 6m
6-in-1 PEN TYPE WATER QUALITY TESTER pH ORP Conductivity TDS Temp. Salinity IP57
 
0 Bids$107.34Time left:7d 18h 11m
6-in-1 Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F  Hydroponic
 
0 Bids$101.53Time left:7d 18h 27m
Waterproof pH Temperature meter Tester °C °F + Big LCD
 
0 Bids$26.45Time left:8d 4h 48m
Waterproof Digital pH Meter Tester  Hydroponics Aquariums Spa Thermometer °C/°F
 
Buy It Now or Best Offer$24.90Time left:8d 8h 49m
Waterproof pH Stick Meter Tester Dipstick Hydroponic Tank Pool Pond 42cm Long
 
Buy It Now or Best Offer$25.90Time left:8d 15h 14m
Digital pH Meter Tester Thermomete​r Temperatur​e (°C)
 
Buy it now$27.13Time left:8d 15h 26m
DIGITAL pH CO2 CONTROLLER METER  Aquarium Fish Tank 110V or 220V
 
Buy It Now or Best Offer$86.90Time left:8d 17h 9m
Digital pH Meter Tester 2 Buffer Hydroponic Aquarium
 
0 Bids$19.11Time left:8d 19h 47m
pH ELECTRODE BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$18.90Time left:9d 9h 12m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy It Now or Best Offer$34.50Time left:9d 9h 47m
Digital pH CO2 Controller Meter Aquarium 110V or 220V + Calibration Solutions
 
Buy It Now or Best Offer$91.38Time left:10d 8h 26m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
Buy It Now or Best Offer$26.50Time left:10d 9h 32m
pH Buffer Powder Solution Measure Calibration 4.00, 7.00 10.00pH set Test Meter
 
Buy it now
$5.96
Free shipping
Time left:12d 8h 42m
pH Buffer Powder Solution Measure Calibration 4.00, 7.00 10.00pH set Test Meter
 
Buy it now
$4.99
Free shipping
Time left:12d 8h 42m
Digital pH/Temperature Meter 3-Point Auto Calibration °C or °F, Waterproof IP67
 
Buy It Now or Best Offer$23.90Time left:12d 9h 0m
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