Sell PH Test Kit 500ml ( Universal Indicator Solution ) best price

A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions. Universal indicator has many different colour changes, from red for strongly acidic solutions to dark purple for strongly alkaline solutions. In the middle, neutral pH 7 is indicated by green. Water pH reagent liquid suitable for testing water. Place a few drops of the pH liquid to test your tap or Aquarium water/drinking water pH level. Check results instantly with the color chart. 2-3 drops of this reagent in 50ml of the tested solution (colorless), shake well, according to the color change of the measured solution, the color table can be read. 1. PH Test Kit 500ml (PH 4 - 10 ) 2. PH Test Kit 500ml (PH 1 - 14 ) #aquarium #fish tank #decoration #phtester #ph