The very best handheld pH meter on the market, these reliable professional pH meters are the most accurate available.
Used by growers for years Bluelab is the name in nutrient measurement and control.
pH meters measure the acidity of a nutrient solution, its really important to keep the solution within range as if it drifts out the availability of nutrients is reduced and your plants will not achieve their full potential.
Remember looking after your pH meter will really help to extend its lifespan and make it more accurate, regularly clean the probe gently and store in KCL solution to keep the probe at its best, also recalibrate using ph buffer 4 and 7 at least monthly, or if your struggling bring it into store and we will happily clean and recalibrate for you free of charge, whether you got it from us or not.
Watch the following videos for more info on calibrating and storing your Bluelab pH pen!
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.