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Smart Monitor Fish Tank WIFI SPA Pool Water Quality Meter PH ORP EC PPM Tester
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Brand New
S$ 114.27 to S$ 115.17
Top-rated sellerTop-rated seller
Was: S$ 132.38 13% off
llucky666 (783) 98.2%
Buy It Now
+S$ 14.70 postage
from China
17+ watchers
Simagic P-ORP Big Set Springs and elastomers for the P1000 brake
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Brand New
S$ 37.24
Customs services and international tracking provided
Buy It Now
krysdu_62 (109) 100%
+S$ 32.22 shipping estimate
from United Kingdom
New ListingDouble Probe Tube Holder Hose, ORP, PH, Temperature - Aquarium Reef Marine.
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Brand New
S$ 25.38
Customs services and international tracking provided
or Best Offer
kilbuern2023 (141) 99%
+S$ 23.10 shipping estimate
from United Kingdom
2in1 / 4in1 Portable Tem H2 Orp Ph Meter Dissolved Hydrogen Water Quality Tester
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Brand New
S$ 25.98 to S$ 27.30
Top-rated sellerTop-rated seller
Was: S$ 27.93 7% off
modulefans (115,350) 99.1%
Buy It Now
+S$ 5.15 postage
from China
ORP-169 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter
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Brand New
S$ 29.20
Top-rated sellerTop-rated seller
Buy It Now
homegooparts (11,212) 98.5%
+S$ 1.09 postage
from China
7 in 1 Digital LCD PH/TD/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
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Brand New
S$ 48.18
Top-rated sellerTop-rated seller
Was: S$ 55.37 13% off
happyimprovement (2,075) 97.9%
or Best Offer
Free International Shipping
from China
6 In 1 Digital Water Quality Tester TDS EC PH ORP Chlorine Temp Meter Detector
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Brand New
S$ 93.37
Top-rated sellerTop-rated seller
Was: S$ 101.49 8% off
sun9rise (1,270) 98.2%
or Best Offer
Free International Shipping
from China
Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
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Brand New
S$ 36.40
Top-rated sellerTop-rated seller
Buy It Now
meinianda (445) 96.7%
Free International Shipping
from China
169E ORP Tester Waterproof Meter Sources Aquarium Hydroponics Spas Swimming Pool
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Brand New
S$ 65.77
Top-rated sellerTop-rated seller
Was: S$ 76.48 14% off
businessleader-0 (981) 100%
Buy It Now
Free International Shipping
from China
7 In 1 PH EC Conductivity TDS Salinity ORP SG Blue Tooth Meter Tester Measures S
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Brand New
S$ 63.09
Top-rated sellerTop-rated seller
Was: S$ 66.41 5% off
superplaza-05 (2,809) 97.9%
Buy It Now
Free International Shipping
from China
Free returns
Multi Parameter Water Quality Tester S.G PH EC SALT ORP TDS CF TEMP 8 In 1 R LLI
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Brand New
S$ 122.36
Top-rated sellerTop-rated seller
Was: S$ 128.80 5% off
lanyydi.living (426) 98.2%
or Best Offer
+S$ 1.46 postage
from China
Calibration Digital Waterproof PH&ORP&Tem Meter Portable PH Pen Tester Automatic
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Brand New
S$ 138.50
Top-rated sellerTop-rated seller
or Best Offer
zheyansure (1,063) 98.9%
+S$ 10.89 postage
from China
8 in 1 Water Quality Tester PH CF ORP for Fish Tank Aquariums Online Monitoring
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Brand New
S$ 133.26
wandar66 (208) 98.7%
or Best Offer
Free International Shipping
from China
5 watchers
Nalco ORP Electrode Probe Sensor 3DT-ORPPRB1.88 New
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Brand New
S$ 117.68
automationking82 (3,300) 100%
or Best Offer
+S$ 56.43 postage
from United States
Fish Tank Aquariums Online Monitoring With 8 in 1 Water Quality Tester PH CF ORP
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Brand New
S$ 139.51
yuelai202 (0) 0%
Was: S$ 148.41 6% off
or Best Offer
Free International Shipping
from China
Apera 301Pt-S ORP Combination Electrode, 8pin Connector
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Brand New
S$ 122.09
aperainstruments (488) 84.6%
Buy It Now
+S$ 209.91 postage
from United States
7in1 Tester Meter PH/ORP/EC/TEMP/S.G/SALT/TDS LCD Backlight Water Quality Tester
Opens in a new window or tab
Brand New
S$ 36.40
Top-rated sellerTop-rated seller
Buy It Now
kpitworth (185) 97.9%
Free International Shipping
from China
7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
Opens in a new window or tab
Brand New
S$ 41.43
Top-rated sellerTop-rated seller
Buy It Now
meinianda (445) 96.7%
Free International Shipping
from China
Backlight Water Testing Meter Pen Tester New PH/TDS/EC/SALT/SG/ORP/TEMP 7 in 1
Opens in a new window or tab
Brand New
S$ 42.30
cardiffee (98) 98.4%
or Best Offer
Free International Shipping
from China
PH‑803W PH ORP Controller Acidity Alkalinity Controller Water Quality Monitor❤
Opens in a new window or tab
Brand New
S$ 175.06
Top-rated sellerTop-rated seller
or Best Offer
superdeal_store (18,361) 97.8%
Free International Shipping
from China
2in1 / 4in1 Portable Tem H2 Orp Ph Meter Dissolved Hydrogen Water Quality Tester
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Brand New
S$ 27.43 to S$ 34.08
Top-rated sellerTop-rated seller
Was: S$ 35.87 5% off
shieldsfans (88,438) 98.9%
Buy It Now
+S$ 3.40 postage
from China
Tuya WiFi Water Quality Monitor PH/ORP/TDS/EC/CF/Temp/Humidity Testing Meter
Opens in a new window or tab
Brand New
S$ 119.14
Top-rated sellerTop-rated seller
Was: S$ 132.38 10% off
happylife8 (584) 97.6%
Buy It Now
+S$ 7.36 postage
from China
ORP Meter Controller ORP Water Quality Monitor For Aquarium -1999 to 1999mV
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Brand New
S$ 79.43
Top-rated sellerTop-rated seller
Was: S$ 88.26 10% off
vetus-instruments (555) 98.6%
or Best Offer
Free International Shipping
from China
Digital LCD Mini ORP Meter Tester Aquarium Water Quality Analyzer 220V
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Brand New
S$ 66.20
eriba-984 (257) 90.5%
or Best Offer
Free International Shipping
from China
Digital Water Tester 4 In 1 Multi Functional IP67 Waterproof PH H2 ORP Temp GU
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Brand New
S$ 36.86
Top-rated sellerTop-rated seller
Was: S$ 40.07 8% off
guxiakk (866) 94.4%
or Best Offer
+S$ 1.46 postage
from China
6 in1 Multi-Parameter Water Quality Monitor ORP/pH/EC/TDS/CF/mV/Temp Monitor
Opens in a new window or tab
Brand New
S$ 176.95
Top-rated sellerTop-rated seller
Was: S$ 196.62 10% off
vetus-instruments (555) 98.6%
or Best Offer
+S$ 14.70 postage
from China
7 watchers
ORP REDOX Electrode 50 OHM BNC Type Replaceable for ORP Meter Tester Monitor
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Brand New
S$ 44.12
gxproducts (17,407) 100%
Buy It Now
Free International Shipping
from Hong Kong
Intelligent Wireless Water Quality Monitor PH/ORP/Salt Solar Residual Chlorine
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Brand New
S$ 150.91
kaariok (265) 100%
or Best Offer
+S$ 4.40 postage
from China
ORP/PH 6750 Industrial Digital PH ORP Controller Meter for Water Treatment
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Brand New
S$ 249.03 to S$ 293.47
xinya002 (12) 92.9%
Was: S$ 308.91 5% off
Buy It Now
+S$ 29.41 postage
from China
Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Replaceable Probe
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Brand New
S$ 253.01
getultimatenow (3,187) 100%
Buy It Now
+S$ 51.47 postage
from United States
Apera 301Pt-C ORP Combination Electrode, BNC Connector
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Brand New
S$ 125.04
aperainstruments (488) 84.6%
Buy It Now
+S$ 209.91 postage
from United States
AZ8601 Handheld PH Meter PH & ORP Mv Temperature Meter Oxidation Reduction Meter
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Brand New
S$ 220.64
bucks-saver (5,464) 100%
Buy It Now
+S$ 73.55 postage
from China
Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester RA
Opens in a new window or tab
Brand New
S$ 43.80
Top-rated sellerTop-rated seller
Was: S$ 46.11 5% off
superplaza-05 (2,809) 97.9%
Buy It Now
Free International Shipping
from China
Free returns
Meter Digital 7 in 1 //EC/ORP/S.G/Salinity/Temp Meter with ATC 0.01 S9K7
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Brand New
S$ 48.11
Top-rated sellerTop-rated seller
Buy It Now
css276 (2,092) 98.4%
Free International Shipping
from China
Aquarium Water Tester Drinking Water Analyser Pen ORP Meter Oxidation Reduction
Opens in a new window or tab
Brand New
S$ 33.20
Top-rated sellerTop-rated seller
or Best Offer
microworld2050 (3,200) 99.4%
+S$ 7.36 postage
from China
Free returns
Water Quality Meter ORP PH TDS TEMP EC Salinity 7 In 1 Accurate Digital W FD
Opens in a new window or tab
Brand New
S$ 33.69
Top-rated sellerTop-rated seller
or Best Offer
fashiondress365 (17,335) 97.8%
+S$ 0.96 postage
from China
PH‑803W PH ORP Controller Acidity Alkalinity Controller Water Quality Monitor EU
Opens in a new window or tab
Brand New
S$ 199.10
Top-rated sellerTop-rated seller
Was: S$ 211.81 6% off
yundet22 (176) 97.8%
or Best Offer
+S$ 1.46 postage
from China
Milwaukee Instruments pH and ORP Meter bundle (MW102 PRO+ & MW500 PRO)
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Brand New
S$ 425.56
getultimatenow (3,187) 100%
Buy It Now
+S$ 176.11 postage
from United States
AZ8601 Handheld PH Meter PH & ORP Mv Temperature Meter Oxidation Reduction Meter
Opens in a new window or tab
Brand New
S$ 221.46
bucks-saver (5,464) 100%
Buy It Now
+S$ 73.83 postage
from China
10in1Water Quality Tester PH/TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile/Resistivity Pen
Opens in a new window or tab
Brand New
S$ 83.35 to S$ 86.97
Top-rated sellerTop-rated seller
Was: S$ 92.60 10% off
adellamart88 (216) 98.2%
Buy It Now
+S$ 29.42 postage
from China
Digital LCD PH/TDS/EC/ORP/TEMP/Salinity Water Quality Tester Meter Pen Detector
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Brand New
S$ 27.91 to S$ 49.38
Top-rated sellerTop-rated seller
Buy It Now
bingospace (1,445) 99%
+S$ 5.87 postage
from China
Redox Tester ORP Test High Water Quality Tester Water Detector Portable Aquarium
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Brand New
S$ 32.39
Top-rated sellerTop-rated seller
or Best Offer
fungee33 (26,508) 98.3%
+S$ 0.90 postage
from China
PH / ORP Controller with pH Meter Redox Temp Tester App Remote Online Monitoring
Opens in a new window or tab
Brand New
S$ 167.68
gxproducts (17,407) 100%
Buy It Now
Free International Shipping
from Hong Kong
Digital LCD PH/TDS/EC/ORP/TEMP/Salinity Water Quality Tester Meter Pen Detector
Opens in a new window or tab
Brand New
S$ 26.51 to S$ 46.91
Top-rated sellerTop-rated seller
Was: S$ 33.79 5% off
cowramill (5,214) 98.5%
Buy It Now
+S$ 5.87 postage
from China
8 in 1 Water Quality Tester PH CF ORP for Fish Tank Aquariums Online Monitoring
Opens in a new window or tab
Brand New
S$ 125.22
Top-rated sellerTop-rated seller
Was: S$ 131.81 5% off
orange08 (159) 98.4%
or Best Offer
Free International Shipping
from China
9 watchers
Portable Water Quality Monitor Digital ORP Tester Pen Detachable Water ORP Meter
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Brand New
S$ 28.38
Top-rated sellerTop-rated seller
Was: S$ 29.86 5% off
yonfhot (294) 99.7%
or Best Offer
+S$ 0.72 postage
from China
ORP-969 Redox Meter ORP Tester Portable Digital Water Quality Tester Pen Tool
Opens in a new window or tab
Brand New
S$ 36.16
kuzip33 (82) 100%
or Best Offer
+S$ 0.96 postage
from China
Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
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Brand New
S$ 35.94
Top-rated sellerTop-rated seller
Buy It Now
shiniaopi (2,055) 96.8%
Free International Shipping
from China
Water Quality Meter Tester Tool Backlight PH/TDS/EC/ORP/TEMP/SG/Salinity
Opens in a new window or tab
Brand New
S$ 33.36
Top-rated sellerTop-rated seller
or Best Offer
18_e0lljw (6,055) 93%
Free International Shipping
from China
Free returns
4 watchers
7in1 Smart Monitor Fish Tank WIFI Pool Water Quality Meter PH ORP EC PPM Tester
Opens in a new window or tab
Brand New
S$ 133.49
Top-rated sellerTop-rated seller
Was: S$ 177.99 25% off
apple*2012 (2,623) 98.7%
Buy It Now
Free International Shipping
from China
Digital PH ORP Meter With Temperature Measurement Water Quality Tester For
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Brand New
S$ 30.77
Top-rated sellerTop-rated seller
Was: S$ 32.39 5% off
figdlookit (1,785) 98.7%
Buy It Now
+S$ 7.36 postage
from China
Multi Parameter Water Quality Tester S.G PH EC SALT ORP TDS CF TEMP Monitor ⊹
Opens in a new window or tab
Brand New
S$ 120.13
creativeonline100 (208,038) 100%
Was: S$ 127.80 6% off
or Best Offer
+S$ 0.96 postage
from China
7In1 Digital Salinity PH TDS TEMP SG EC ORP Tester Water Quality Monitor Meter
Opens in a new window or tab
Brand New
S$ 40.61
Top-rated sellerTop-rated seller
or Best Offer
topteng-11 (437) 99.4%
Free International Shipping
from China
Free returns
ORP2069 Portable Water-Quality Monitor Digital ORP Tester Pen Water ORP Meter✪
Opens in a new window or tab
Brand New
S$ 33.18
Top-rated sellerTop-rated seller
Was: S$ 35.30 6% off
aigoshopping (5,743) 98.4%
or Best Offer
+S$ 0.96 postage
from China
7in1 Smart Monitor Fish Tank WIFI Pool Water Quality Meter PH ORP EC PPM Tester
Opens in a new window or tab
Brand New
S$ 121.49
kaariok (265) 100%
Buy It Now
Free International Shipping
from China
9+ watchers
PH ORP Controller Acidity Alkalinity Controller Water Quality Monitoring Tool
Opens in a new window or tab
Brand New
S$ 174.65
mhfaykud34 (52) 94.8%
Was: S$ 183.85 5% off
or Best Offer
Free International Shipping
from China
Multi Parameter Water Quality Tester S.G PH/EC/SALT/ORP/TDS/CF/TEMP 8 In 1 230V
Opens in a new window or tab
Brand New
S$ 116.47
Top-rated sellerTop-rated seller
Was: S$ 122.61 5% off
csvtion (1,642) 98.6%
or Best Offer
Free International Shipping
from China
Tuya LCD WiFi 7-in-1 PH Acid Alkali TDS Hardness ORP/CF/EC Temperature Humidity
Opens in a new window or tab
Brand New
S$ 129.18
Top-rated sellerTop-rated seller
Buy It Now
biety0315 (2,188) 98.2%
+S$ 7.38 postage
from China
6 in1 Water Quality Monitor ORP TDS pH EC CF Temp Tester Meter ATC Function
Opens in a new window or tab
Brand New
S$ 204.87
eriba-984 (257) 90.5%
Buy It Now
+S$ 10.28 postage
from China
7 watchers
7 in 1 Water Quality Tester Meter Pen LCD Backlight PH/ORP/EC/TEMP/SALT/S.G/TDS
Opens in a new window or tab
Brand New
S$ 35.25
Top-rated sellerTop-rated seller
Was: S$ 37.89 7% off
moonlovemars (14,310) 94.2%
Buy It Now
Free International Shipping
from China
6 watchers
Milwaukee PH-MAIN Maintenance Kit for pH / ORP Meters and Testers
Opens in a new window or tab
Brand New
S$ 44.12
getultimatenow (3,187) 100%
Buy It Now
+S$ 35.54 postage
from United States
7 In 1 Backlight TEMP/SG/EC/ORP/PH/TDS/Salinity Water Quality Meter Tester
Opens in a new window or tab
Brand New
S$ 43.41
Top-rated sellerTop-rated seller
or Best Offer
bruceshark-004 (13,906) 97.7%
Free International Shipping
from China
Free returns
Water Quality Tester SG PH EC SALT ORP TDS CF TEMP 24 Hour WiFi Monitor US Plug
Opens in a new window or tab
Brand New
S$ 70.81
Top-rated sellerTop-rated seller
or Best Offer
csvtion (1,642) 98.6%
Free International Shipping
from China
7 in 1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter UK
Opens in a new window or tab
Brand New
S$ 34.13
tulistraders (629) 93.8%
or Best Offer
+S$ 9.23 postage
from United Kingdom
2 watchers
Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
Opens in a new window or tab
Brand New
S$ 36.20
Top-rated sellerTop-rated seller
or Best Offer
topteng-11 (437) 99.4%
Free International Shipping
from China
Free returns
Water Quality Meter ORP PH TDS TEMP EC Salinity SG 7 In 1 Accurate Digital
Opens in a new window or tab
Brand New
S$ 34.84
Top-rated sellerTop-rated seller
or Best Offer
vagerpeace (1,673) 98%
+S$ 0.96 postage
from China
6in1 Water Quality Detector PH/EC/TDS/ORP/Chlorine/Temp Tester Mobile APP Data
Opens in a new window or tab
Brand New
S$ 97.32
Top-rated sellerTop-rated seller
Was: S$ 106.95 9% off
one19family (1,167) 99.2%
or Best Offer
Free International Shipping
from China
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool S1
Opens in a new window or tab
Brand New
S$ 43.41
Top-rated sellerTop-rated seller
or Best Offer
bruceshark-004 (13,906) 97.7%
Free International Shipping
from China
Free returns
7 in 1 PH/ORP/EC/TEMP/SALT/S.G/TDS Water Quality Tester Meter LCD Backlight
Opens in a new window or tab
Brand New
S$ 31.08
Top-rated sellerTop-rated seller
List price: S$ 31.98 3% off
king-fortune (64,197) 93.7%
Buy It Now
+S$ 4.41 postage
from China
Last one
20 watchers
Handheld PH ORP Meter Digital Oxygen Concentration Temperature Meter Detector
Opens in a new window or tab
Brand New
S$ 264.78
Top-rated sellerTop-rated seller
Was: S$ 294.20 10% off
vetus-instruments (555) 98.6%
or Best Offer
Free International Shipping
from China
Apera Instruments PCO60-Z Bluetooth pH
Opens in a new window or tab
Brand New
S$ 294.20
donkfella (239) 100%
or Best Offer
+S$ 110.96 postage
from United States
8 in 1 Water Quality Tester PH CF ORP for Fish Tank Aquariums Online Monitoring
Opens in a new window or tab
Brand New
S$ 129.81
white099 (70) 97.3%
or Best Offer
+S$ 46.14 postage
from China
29 watchers
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