Aqua Master Pen P50 Pro PH Temp Meter Handheld
£23.50 to £53.95
Nutrient Management pH Control
Organo Acid pH- 1L - Canna Organic pH Down 1 Litre
£14.15
BioBizz Organic Bio pH Up and ph Down 250ml Twin Pack - Organic pH Regulation
£12.48
Aqua Master Replacement Combo P110 Pro PH EC Temp Probe
£34.99
Bluelab pH & EC Conductivity Probe Care Kit - Meter Cleaning Kit
£29.10
Growth Technology pH Buffer 7 and pH Buffer 4 - Essentials Calibration 300ml
£8.65
Bluelab pH Probe Care Kit - Meter Cleaning Maintenance Kit
£24.35
Growth Technology EC 1.413 Conductivity Standard 300ml - EC Calibration Fluid
£6.77
Growth Technology pH Buffer 4 7 - PH Calibration Fluid 300ml 1L
£6.77 to £16.45
GAS Day and Night Controller Humidifier, Dehumidifier, Heater Hydroponic
£84.85
Bluelab pH Pen Temperature Meter Hydroponics Aquarium
£96.45
Aqua Master Pen E50 Pro EC Temp Meter Handheld
£18.95 to £49.95
Vitalink Essentials pH Test Kit NARROW Spectrum 5.6 to 7.4 Water Test Indicator
£7.40
Bluelab EC Nutrient Pen Temperature Meter Hydroponics
£77.45
Growth Technology pH Probe Cleaner - 300ml Cleaning Solution
£9.22
Bluelab pH Probe Replacement 2m Cable Hydroponics Aquarium
£72.45
Growth Technology pH Probe Cleaner + pH Probe Refill and Storage Twin Pack 300ml
£14.99
Aqua Master Combo Pen P110 Pro PH EC Temp Meter Handheld
£61.70
Bluelab Probe Conductivity Care Kit - EC Meter Cleaning Maintenance Kit
£18.40
GENUINE Essentials pH Meter - Digital pH Testing Meter Hydroponics Aquarium
£45.50
Bluelab EC Truncheon Nutrient Meter Hydroponics
£92.85
BioBizz Organic Bio pH Up and ph Down 500ml Twin Pack - Organic pH Regulation
£19.40