Quality is good and i find it holds its calibration very well

Quality is good and i find it holds its calibration very well  Read Less

Thanks bygrop llc for this great product

Thanks bygrop llc for this great product  Read Less

First off it did not come with the promised buffer solution

First off it did not come with the promised buffer solution  Read Less

I calibrated with the 7 solution cleaned with distilled water then tested with the 4 solution

I calibrated with the 7 solution cleaned with distilled water then tested with the 4 solution  Read Less

48 ounces can be used on any water fast and easy to use comes in a nice plastic storage container black and green color looks n...  Read More

48 ounces can be used on any water fast and easy to use comes in a nice plastic storage container black and green color looks nice reusable and much better than paper strips or drops easy to read screen that is clear and illuminated has a “hold” button to keep and pause the reading until you are ready has a belt clip on one side of this comes with small screwdriver to help calibrate the unitthe bad replacement batteries can be a little on the high side needs to be manual calibrated oftenoverall a nice ph tester for the price  Read Less

A great product works solidly easy to use shipping was quick too

A great product works solidly easy to use shipping was quick too  Read Less

5v lr44 batteries included comes with ph4

5v lr44 batteries included comes with ph4  Read Less

There are quite a few you can get that are made in the usa for half the price

There are quite a few you can get that are made in the usa for half the price  Read Less