Cheap: $5~10/pc
Delivery: 1day
Easy to use
Safe
Quick testing

Water electrolyzer:

Features:

Color: Yellow

Power: 110~220V.AC

Advantage: 1. Easy to operate

                   2. High precision

                   3. Convenient to carry

Instruction:

1. prepare 2cups of water, one is pure water, the other is tap water

2. put it into water

3. testing

4. testing result

Remarks: 1. Take care of electric shock;

                2. Do not touch the rods once the precipitator is plugged into an electric outlet.

                Analysis of water electrolysis

Yellow: dissolved acids, fluoride, and other organic matter

Green: arsenic, mercury, lead, copper, sodium

Blue: bacteria, viruses, carcinogens, chemical fertilizers, pesticides, etc.

Red: Iron and rust, bacteria

White: lead, zinc, mercury, inorganic dirt

Black: heavy metal