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Ph testers

(999+ products available)

8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water <b>Tester</b> for <b>pH</b>/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM) - Product Image 1
8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water <b>Tester</b> for <b>pH</b>/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM) - Product Image 2
8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water <b>Tester</b> for <b>pH</b>/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM) - Product Image 3
8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water <b>Tester</b> for <b>pH</b>/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM) - Product Image 4
8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water <b>Tester</b> for <b>pH</b>/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM) - Product Image 5

8 in 1 Tuya Smart Water Quality Monitor | 24/7 Remote Monitoring Water Tester for pH/EC/TDS,/Salt,/CL/ORP/S.G & Temp Test (OEM)

£56.02-62.25
MOQ: 5 sets
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 1
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 2
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 3
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 4
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 5
Pocket Size 0.0-14.0 <b>pH</b> Meter Digital Water Quality <b>Tester</b> Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH - Product Image 6

Pocket Size 0.0-14.0 pH Meter Digital Water Quality Tester Pen Type Household Drinking Water, Swimming Pools +/- 0.1pH

£4.99
MOQ: 100 pieces
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 1
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 2
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 3
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 4
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 5
Digital Salinity & Temperature <b>Tester</b> 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM - Product Image 6

Digital Salinity & Temperature Tester 0-199.9ppt | 2-in-1 Pen Type High Range Salt Meter for Seawater Aquaculture & Marine OEM

£6.62-7.96
MOQ: 2 sets
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 1
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 2
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 3
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 4
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 5
Digital Salinity Meter 2-in-1 Pen-Type Temperature <b>Tester</b> with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor - Product Image 6

Digital Salinity Meter 2-in-1 Pen-Type Temperature Tester with Backlit LCD 0-199.9 ppt Marine Aquarium Saltwater Pond Monitor

£6.62-7.96
MOQ: 2 pieces
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 1
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 2
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 3
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 4
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 5
GAINEXPRESS 8-in-1 Water Test Kit <b>PH</b>. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP <b>Tester</b> - Product Image 6

GAINEXPRESS 8-in-1 Water Test Kit PH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester

£32.65-36.29
MOQ: 5 pieces
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
Portable EC TDS Meter | Nutrient Solution <b>Tester</b> for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF - Product Image 1
Portable EC TDS Meter | Nutrient Solution <b>Tester</b> for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF - Product Image 2
Portable EC TDS Meter | Nutrient Solution <b>Tester</b> for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF - Product Image 3
Portable EC TDS Meter | Nutrient Solution <b>Tester</b> for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF - Product Image 4
Portable EC TDS Meter | Nutrient Solution <b>Tester</b> for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF - Product Image 5

Portable EC TDS Meter | Nutrient Solution Tester for Hydroponic System & Indoor Plants | Conductivity Meter Measures EC/PPM/CF

£13.81-15.59
MOQ: 1 set
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 1
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 2
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 3
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 4
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 5
Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo <b>Tester</b> with ATC - Product Image 6

Factory Direct OEM Digital 3 in 1 EC CF TDS Meter Water Quality Meter IP65 Waterproof Combo Tester with ATC

£17.34
MOQ: 10 sets
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 1
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 2
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 3
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 4
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 5
New Product Water Quality Monitor 7 in 1 Smart Aquarium Water <b>Tester</b> for <b>PH</b> Temperature TDS EC Salinity SG ORP Wifi Connected - Product Image 6

New Product Water Quality Monitor 7 in 1 Smart Aquarium Water Tester for PH Temperature TDS EC Salinity SG ORP Wifi Connected

£48.75-54.17
MOQ: 5 pieces
GAIN EXPRESS HOLDINGS LIMITED
15 yrsHK flagHK4.8/5.0(84)

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