Check Micro

Check Micro


Untreated water and badly insulated or poorly maintained water cisterns and tanks are exposed to large chunks of dirt or to small animals which may increase the presence of microorganisms.

Our water analysis, CHECK MICRO, identifies the microorganisms commonly found in drinking water.

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What parameters are included in the analysis?


Aerobic Bacteria at 22º C info

Aerobic bacteria reveal the presence of microorganisms in water.

Aerobic bacteria grow and survive in an oxygenated environment. This parameter is an indicator because the majority of existing bacteria require oxygen for survival and, as a result, are omnipresent, i.e., found in any type of environmental conditions (air, soil, water, etc.). In untreated water, bacterial presence may be strong.
Regarding drinking water, aerobic bacteria assess the effectiveness of water disinfection. Bacterial presence does not necessarily mean that water quality is poor. According to Drinking Water Regulations (Royal Decree 140/ 2003), the concentration of aerobic bacteria in fully treated drinking water can be of 100 cfu/ml (cfu= colony-forming units) if there are no significant changes in the water distribution systems.


Clostridium perfringens info

Clostridium perfringens indexes the presence of fecal contamination.

Clostridium perfringens is a spore-forming bacterium highly resistant to unfavorable conditions as well as disinfection processes. It is ever present in feces from animals; it can be detected in up to 100% of the feces from dogs.
The presence of clostridium perfringens are determined in drinking water. This parameter is measured in cfu (colony forming units) in a specified volume (100 ml or 250 ml).
The maximum level of clostridium perfringens in drinking water is 0 cfu/100ml.


Total Coliforms info

Are the standard by which microbiological contamination is measured.

Total coliform bacteria can not only occur in human or animal feces but also can be found in the environment. They are, on the one hand, indicators of microbiological contamination and, on the other hand, their presence provides evidence regarding the adequacy of disinfection.
This parameter is measured in cfu (colony forming units) per 100 ml or 250 ml volume.
The maximum acceptable concentration of total coliforms in drinking water is 0 cfu/100ml.


E.Coli info

E. Coli is a type of fecal coliform bacteria

E. Coli is an ideal indicator of fecal contamination. It serves as a key indicator of possible water contamination caused by dumping sewage water.
E. Coli concentrations are measured in cfu (colony-forming units) in 100 or 250 ml.

Sample ID

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Alkalinity measures the presence of salts usually responsible for incrustations (carbonates, bicarbonates and hydroxides)

Metal used as a coagulant in some water treatment plants

Ammonium is a key indicator of water contamination

A metalloid which is a natural component of the Earth’s crust

Bicarbonates are associated with the production of incrustation on water facilities

Boron is a micronutrient necessary for the plants, but in high concentrations could be toxic

Calcium is a cation and is a determinant of water hardness

Mineral present in water mainly due to the dissolution of limestone or carbonated

Chlorine is the most widely used disinfectant for water treatment, especially for drinking water or swimming pool water

Chlorides reveal the presence of salts in water

Metal used in building construction materials (pipes, etc.)

Measurement of water color

Conductivity is used to measure water salinity

Chromium metal is largely related to metal fittings such as pipes

BOD5 measures the biodegradable organic pollution

Chemical Oxygen Demand (COD) measures the organic pollution of water

Water hardness is caused by the presence of dissolved minerals

Microorganisms related to microbiological contamination of water

Metal that can be associated with minerals or industrial activities

Water fluoridation is considered as necessary. However, high concentrations of fluoride in water can be detrimental to health

Phosphates are essential elements in nature

Pesticide commonly used to kill weeds (herbicide)

Hydrocarbons or mineral oils may be present in the water

Iron is largely related to metal fittings such as pipes

Langelier index reports about fouling or aggressive properties of water

Legionella is a bacteria that may be present in water and can cause legionellosis, a lung disease caused by breathing air with water sprays

Magnesium is primarily responsible for water hardness

Manganese is a necessary element for life, but in high concentrations can be toxic

Toxic metal whose presence can be naturally or by human activity

Nickel is largely related to metal fittings and pipes

High nitrate concentrations are associated with agricultural and livestock activities

Nitrites can be a significant indicator to determine contamination

Organoleptic check of odor in water

Oxidizability measures oxidizable organic matter present in water

pH is a measure of how acidic, basic or neutral water is

Pesticides are substances intended for preventing, destroying, repelling or mitigating any pest

Lead is largely related to old plumbing installation systems

Potassium is present in water

The redox potential (ORP) is a measure of water reduction and oxidation

Psedomonas aeruginosa is a common bacterium found in soil and water

Total dissolved solids (TDS) refers to a measure of the residual minerals dissolved in water

Organoleptic analysis of taste in drinking water

Sodium is largely related to water salinity

Parameter measuring the suspended solids in the water

Sulphates are dissolved salts

Turbidity is a measure of the amount of suspended particles in water.


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