Its inverse, called electrical conductivity, quantifies how well a material conducts electricity. A low resistivity indicates a material that readily allows electric current.

Conductivity is a measure of the ability of water to pass an electrical current. Organic compounds like oil do not conduct electrical current very well and therefore have a low conductivity when in water. Conductivity is also affected by temperature: the warmer the water, the higher the conductivity.

Generally, the amount of dissolved solids in water determines the electrical conductivity. Electrical conductivity (EC) actually measures the ionic process of a solution that enables it to transmit current. According to WHO standards, EC value should not exceeded 400 μS/cm.

Mid range conductivity (200 to 1000 µS/cm) is the normal background for most major rivers. Conductivity outside this range could indicate that the water is not suitable for certain species of fish or bugs. High conductivity (1000 to 10,000 µS/cm) is an indicator of saline conditions.

Conductivity is proportional to dissolved solids. Reducing the dissolved solids would be the only way to decrease conductivity. Reverse osmosis (RO) is effective but expensive.

The conductivity of water is affected by the presence of dissolved substances in the water, including salts and heavy metals. Some of these substances are harmful to aquatic life and to humans, especially at high concentrations.

The reason that the conductivity of water is important is because it can tell you how much dissolved substances, chemicals, and minerals are present in the water. Higher amounts of these impurities will lead to a higher conductivity.

pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.

Meanwhile, alkaline water shows disinfection in water. The normal drinking water pH range mentioned in WHO and NDWQS guidelines is between 6.5 and 8.5 (Table 2)….3.1. 1. pH.

It has been concluded that the consumption of low TDS water, naturally occurring or received from a treatment process, does not result in harmful effects to the human body.

In most instances, TDS in your drinking water will not present a health problem but it’s important to note, should TDS levels exceed 1000mg/L, the drinking water can be considered unfit for human consumption.

To do that, follow the given instructions:

1. Remove the protective cap.
2. Turn the TDS meter on.
3. Immerse the meter into the water up to the maximum immersion level (2 inches).
4. Gently stir the meter to dislodge any air bubbles.
5. Wait till the reading stabilizes (approximately, 10 seconds).

between 50-150

Total dissolved solids

Best aquarium TDS meters compared

Range is used to describe the minimum or maximum detection limits for that particular meter. Range is thus used in determining the accuracy of TDS meters. For example, a common accuracy statement for many EC/TDS meters is ± 2% f.s., with a range of 999 ppm TDS.