The voltcraft pht 01 atc ph meter stick 0 14 ph is a handy device for quickly and easily measuring the ph in aquariums swimming pools nurseries etc despite the low price this device has 1 point calibration and includes automatic temperature compensation for precise measurements at different temperaturesthe ph meter stick pht 01 atc is a state of the art product and therefore meets the requirements of the current european and national guidelines all the relevant documents have been depo