50/100PCS Water Quality Test Strip Multipurpose 7 in 1 Aquarium Test Strips Water pH Test Tools for Fish Tank Swimming Pool

IBS Scherer pH value < 11.5, pH value < 11.5, 20 l canister

£174.00

1pcs PH Meter Calibration Solution ORP Tester Reading For Plant Growth Test Tool 4.016.86 9.18 Tester Calibration Solution Tools

£5.69

Tuya WiFi 5in1 Water Quality Online Monitor PH Total Dissolved Solids EC Temperature Meter Multi-functional Mariculture Tester

£74.19

4 in 1 TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester Water Aquariums

£14.91

Professional pH Meter Pen Type Water Quality Tester Acidometer for Aquarium Acidimeter Water Measuring PH Acidity Meter

£51.74

Handheld Food PH Meter LCD Digital Meat Dough Fruit Cheese Soil Acidimeter 4 in 1 PH TDS EC Temp Pointed End Food Tester

£45.58