ETI pH PAL Plus Meter

This PH pen works just fine, is accurate and easy to use. I dropped one star on value because there are cheaper ones that do the job but after researching I found this brand to be sold at The British Horticulture online shop. I felt that i trusted their tastes of product because they'll be used to customer feedback and will narrow their choices to us because of that but at least that also comes with more reliable products and so am happy with the purchase. Ive yet to own a PH pen that can be used severall times a week for a year as they seem to brake down even after calibration they quickly become wildly in accurate. Hopefully this PH pen at this price will do the job for longer.