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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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Shipping Announcement:

Due to Chinese New Year Holiday, our store will temporarily suspend processing of shipments from the February 5 to February 10.

Orders with successful and confirmed payments placed during the said dates will be shipped on February 11, 2016.

We apologize for any inconvenience this may have caused.

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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).
Featured items
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49 results found in PH Meters / Controllers
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Picture [hide]Item titlePriceTime Left
Multi-Function Water Quality Tester Meter  EC CF TDS PH °C °F Hydroponic Generic
 
0 Bids$92.50Time left:1d 1h 23m
Digital Water Quality Tester ORP TDS Temperature Salinity pH Combo Meter Generic
 
Buy It Now or Best Offer$97.90Time left:1d 16h 26m
Pen Type Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy It Now or Best Offer$14.80Time left:1d 22h 54m
Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC Generic
 
0 Bids$13.50Time left:2d 20h 51m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
Buy It Now or Best Offer$18.90Time left:2d 23h 48m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Generic
 
0 Bids$22.90Time left:3d 6h 46m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
0 Bids$35.50Time left:3d 8h 52m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Generic
 
0 Bids$87.00Time left:3d 19h 54m
14.00 pH Meter Digital Water Quality Monitor Tester Hydroponic Aquarium Generic
 
0 Bids$18.90Time left:3d 23h 5m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester with ATC
 
Buy It Now or Best Offer$42.50Time left:3d 23h 28m
2-in-1 Combo Digital pH & TDS Mini Meter 14.00pH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$42.50Time left:3d 23h 44m
Pen Type Digital pH Level Meter Tester Thermomete​r °C Hydrophonic Aquarium Spa
 
0 Bids$22.50Time left:4d 20h 17m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Generic
 
0 Bids$37.90Time left:4d 20h 27m
Digital 14.00 pH Meter Tester 2 Buffer Hydroponic Aquarium Built-in ATC Generic
 
0 Bids$15.50Time left:4d 21h 10m
Digital pH Meter Tester Monitor w/ Replaceable BNC Electrode & Mounting Bracket
 
0 Bids$24.50Time left:4d 21h 20m
4 in 1 Professional LCD Plant Soil pH Temperature Moisture Sunlight Meter Tester
 
0 Bids$17.90Time left:4d 21h 32m
2in1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water Generic
 
0 Bids$37.90Time left:6d 20h 18m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
0 Bids$22.50Time left:6d 22h 51m
pH Buffer Calibration Powder Solution TestMeter 4.01, 7.00 10.01pH set Generic
 
Buy it now
$4.99
Free shipping
Time left:9d 15h 19m
Waterproof Digital pH Meter Tester Hydroponics Aquariums Spa Thermometer Generic
 
0 Bids$23.50Time left:9d 21h 20m
Digital ph Orp Controller BNC Electrodes Redox mV CO2 O3 220V or 110V Generic
 
Buy It Now or Best Offer$106.90Time left:10d 16h 30m
Soil Moisture Meter & pH Level Tester for Plants Crops flowers Vegetable Garden
 
Buy It Now or Best Offer$36.50Time left:10d 17h 50m
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:10d 21h 58m
Portable Waterproof Digital pH Meter Thermometer Tester Hydroponics Laboratory
 
Buy It Now or Best Offer$24.90Time left:11d 16h 17m
Waterproof pH 42cm Stick Meter LED Tester Dipstick Hydroponic Pool Pond Generic
 
Buy It Now or Best Offer$25.90Time left:11d 22h 41m
0.00~14.00PH Digital pH CO2 Controller Meter  Aquarium Fish Tank 110V or 220V
 
Buy It Now or Best Offer$86.90Time left:12d 0h 36m
pH Electrode BNC 70cm long Cable 2 x Buffer Calibration Solution 0.00~14.00pH
 
Buy It Now or Best Offer$18.90Time left:12d 16h 40m
Digital pH Monitor Tester 14.00 pH Range Aquariums w/ Rechargeable Meter Adaptor
 
Buy It Now or Best Offer$34.50Time left:12d 17h 15m
Digital pH & Temperature Meter Pocket Water Tester Thermometer °C or °F Generic
 
Buy It Now or Best Offer$23.90Time left:12d 21h 0m
Digital pH Meter Tester Monitor Meter ATC w/ Replaceable BNC Electrode Generic
 
Buy It Now or Best Offer$26.50Time left:13d 17h 0m
Portable pH, Chlorine and Bromine Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$14.25
Free shipping
Time left:15d 22h 6m
3-in-1 ORP mV, PH, Temperature Meter Tester  w/ Replaceable pH & ORP Electrodes
 
Buy It Now or Best Offer$89.00Time left:19d 22h 45m
CL2 Chlorine pH Level Meter Swimming Pool Checker Spa Water Quality Tester Tool
 
Buy It Now or Best Offer$23.90Time left:20d 16h 3m
Pen Type Digital pH Level Meter Tester Thermomete​r (°C) Hydrophonic Spa Generic
 
Buy It Now or Best Offer$24.50Time left:20d 17h 7m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.90Time left:20d 20h 11m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.90Time left:21d 16h 7m
7-in-1 Digital Water Quality Monitor Pool pH °C °F ORP EC CF TDS Meter Tester
 
Buy It Now or Best Offer$89.00Time left:21d 16h 43m
Portable Digital pH Level Meter Tester Spa Aquarium Hydroponic Pool 0-14pH ATC
 
Buy It Now or Best Offer$13.70Time left:21d 17h 4m
LCD Digital pH / Temp °C °F Meter IP65 Water Quality Tester w/ Auto Calibration
 
Buy It Now or Best Offer$24.90Time left:21d 18h 55m
Portable Digital pH Meter 0.00~14.00pH Tester for Wine Hydrophonics Aquaculture
 
Buy It Now or Best Offer$14.80Time left:23d 21h 23m
2in1 Digital pH ORP Controller Aquarium Pond Meter Tester Tool 1 Socket Generic
 
Buy It Now or Best Offer$89.90Time left:24d 15h 58m
Digital pH Controller Meter Tester + Replaceable BNC Electrode 220V/110V Generic
 
Buy It Now or Best Offer$89.90Time left:24d 16h 37m
Portable pH, Chlorine and Bromine Tester Water Quality Hydrotool Testing Kit
 
Buy It Now or Best Offer
$10.90
Free shipping
Time left:24d 18h 31m
2-in-1 Digital pH & Temperature Meter Tester Thermometer °C °F Test Water w/ ATC
 
Buy It Now or Best Offer$39.90Time left:24d 20h 42m
Digital pH Temperature Meter High Accuracy ±0.05PH Water Quality Tester Aquarium
 
Buy It Now or Best Offer$39.90Time left:25d 18h 29m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy It Now or Best Offer
$39.50
Free shipping
Time left:25d 21h 47m
0~14.00 Pen Type pH Meter 12cm Long tube Hydrophonics Quality Control Measurer
 
Buy It Now or Best Offer
$40.30
Free shipping
Time left:25d 21h 47m
Digital pH Pen Meter Tester 2 Buffer Hydroponic Aquarium 14.00 pH Range Generic
 
Buy It Now or Best Offer$16.90Time left:26d 16h 58m
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