General Hydroponics pH Control Kit contains everything you need to measure pH levels of your hydroponic grow reservoirs RELIABLE RESULTS: The streamlined testing system delivers fast, accurate ...

Water quality testing instruments can monitor water temperature, dissolved oxygen, pH, conductivity, nitrogen/phosphorus concentration, turbidity, macroinvertebrates, and levels of pesticides and ...

I grew up drinking well water and often ... which is unhealthy at higher levels; General chemistry, including hard water, pH, ...

is water which has a pH level that is slightly higher than regular drinking water. pH is used to measure the acidity or alkalinity of water and has a scale of 0-14 with 0 being extremely acidic ...