... .0 to 14.0pH * Resolution: 0.1 pH * Digital aquarium PH meter Specifications:1)This pH meter can instantly test your liquid for ... you a sense of texture 3) This digital pen style pH meter is an ideal instrument for aquarium, fishing industry, swimming ... pool, school laboratory, food & beverage etc. MiNi Swimming Pool PH Meter * Measuring range: 0.0 to 14.0pH* Resolution: 0 ...