Electrolysis Water Quality Tester

The 4 electrolytic bars (2 iron bars, 2 aluminum rods) are 2 group positive and negative poles (each group has a positive pole and negative pole). It can test two different liquids at one time, convenient to use.
Using this item can help you test all kind of impurities in water by showing different colors. There are 6 colors (yellow, green, blue, red, white, black) to indicate the different objects in the water, and only the yellow color shows that the water is healthy.
Applicable industries: water laboratories, CDC, the aquaculture industry, hospitals, swimming pools, household tap water quality testing.

Testing Method:
(1) Preparing testing water--get two 100-150ml clear glasses,one glass full of tap water,and the other full of R/O water.Then put them on the desk side by side.
(2) Preparing for testing--put the electrolyser into the glass,plug in 220V power.
(3) Testing--Switch the power on to start the testing process
(4) Normally, the testing time is 30 seconds.When it's complete,switch power off and take the electrolyser out.

Testing Analysis Results:
Black: Heavy Metals
White: lead, zinc, mercury, inorganic dirt
Yellow: Dissolved acids, fluoride and other organic matter
Green: Arsenic, mercury, lead, copper, sodium
Blue: Bacteria, viruses, carcinogens, chemical fertilizers, pesticides, etc.
Red: Iron, rust and bacteria

Please Notice:
(1) After power is on, please don't put hands on the electrode.
(2) Don't put your fingers into the testing water.
(3) After using, please use dry cloth to wipe the electrode off