Water microbiology

Water microbiology in irrigation systems

Microbial formulations for professional use in water storage, recirculation and drip irrigation systems.

Microbiology in irrigation water

Why microbiology matters in water and irrigation

Irrigation water is never sterile. In water silos, reservoirs, pipelines and emitters, microorganisms are continuously active. They respond to temperature, organic load, retention time and the composition of the water.

Those microbial conditions help determine how stable a system behaves, from water quality in storage to flow through drip lines. Viewing the full water path as a biological environment makes it easier to manage for consistent conditions.

Greenhouse water room with storage tank, pumps, filters and dosing equipment

Familiar from practice

What growers encounter in irrigation and storage systems

Biofilm in drip lines, uneven flow and shifting conditions in water storage are familiar situations. They rarely have a single cause, but microbiology is almost always part of the picture.

Biofilm in drip lines

Microorganisms can attach to the inner surfaces of pipelines and emitters, where biofilm can develop.

Organic buildup

Organic residues can accumulate over time in tanks, filters and irrigation lines.

Clogged emitters

Deposits and biofilm can restrict emitters, resulting in less even water distribution.

Shifting conditions

Microbial populations in stored water can fluctuate as temperature, water quality and organic load change.

Three types of clogging

Not every clog is microbiological

A dripper with reduced flow can have several causes. Identifying the cause determines which action is appropriate and clarifies what a microbial approach can and cannot contribute.

Microbiological Biological deposits Microorganisms form a layer on pipeline and emitter surfaces. This is the part of the issue a microbial approach addresses.
Chemical Mineral deposits Calcium, iron and manganese can precipitate in pipes and emitters. This points to assessing water chemistry and, where appropriate, considering acid treatment. In practice, mineral and biological deposits often occur together.
Physical Particles and suspended solids Sand, silt and organic matter enter the system mechanically. These factors form part of assessing the water and irrigation system as a whole. Multiple causes are often involved at the same time.

Clogging in an irrigation system often results from a combination of biological, chemical and physical factors. That is why we consider the complete irrigation water system and help determine which approach fits your situation.

The water path

From water storage to emitter

Microbial conditions change along the way. Water held in a silo behaves differently from water that has circulated through a recirculating pipe network for days.

That is why BIOMICROBES looks at the full water path and at the point where a microbial solution genuinely fits.

Water storage Silos, tanks and reservoirs where water is held for longer periods.
Distribution Mains, filters and valves on the way to the field or greenhouse.
Drip lines and emitters Long pipe networks with narrow openings, where flow matters.
Recirculation Water returning into the system, carrying its microbial conditions with it.

Our water solutions

Two microbial formulations for the water system

DRIP LINE en WATER TREATMENT each work at their own point in the water path: one in distribution toward the emitter, the other in the stored water that feeds the system.

BIOMICROBES jerrican DRIP LINE Drip irrigation

DRIP LINE

Microbial formulation for the routine maintenance of drip lines and emitters.
Key characteristics For continuous use in professional drip irrigationHelps maintain consistent irrigation flowHelps reduce the risk of emitter cloggingSupports routine management and maintenance of drip irrigation systems
View Drip Line
BIOMICROBES jerrican WATER TREATMENT Water storage

WATER TREATMENT

Professional microbial formulation for stored agricultural water.
Key characteristics Helps establish and maintain biological balance in stored agricultural waterSupports stable water conditions during storageSupports consistent irrigation water conditionsIntended for water silos, storage tanks, reservoirs and recirculating systems
View Water Treatment

Why BIOMICROBES

Microbiology for day-to-day water system management

BIOMICROBES develops microbial formulations for irrigation and water storage in professional agriculture and horticulture. From product development and formulation to batch control and application guidance, quality and reproducibility are central to our approach.

Focused on the water system For irrigation and water storage
Clear specifications Defined per product
Batch and quality control Identity and concentration
Practical support For integration into routine management

Practical questions

Questions about water microbiology and irrigation

Why microbiology in irrigation water matters and how water storage and drip lines differ.

Why does microbiology in irrigation water matter?

Irrigation water is not sterile. Microorganisms are always active in storage, pipes and drippers, and they affect water quality and the reliable performance of the irrigation system. By managing microbiology actively, you make it a fixed part of your water management.

What is the difference between water storage and drip lines?

They are two parts of the water route, each with its own conditions. In storage, water stays in tanks, silos or basins for longer periods; that is where WATER TREATMENT comes in. In drip lines, water flows to the drippers; DRIP LINE is developed for their regular maintenance. See both solutions on Water & irrigation.

Do I need to keep the pH low to guarantee that microbial products work?

There is no general rule that a lower pH is better. Acidity affects microbial growth, while species and strains have different limits. The crop and the nutrient solution also have requirements. Distinguish between the pH of the concentrate, the diluted solution and the root zone. Use a product-specific application range; a low pH in the bottle or a general growing value does not prove that efficacy is guaranteed.

Why is measuring only the pH of my irrigation water not enough?

pH describes the acidity at the moment of measurement. Alkalinity indicates how much acid the water can neutralize, partly due to bicarbonates. Two water sources with the same pH can therefore react differently to the same acid addition. Also have alkalinity and EC determined and, where needed, assess the individual salts. This lets you match water treatment more closely to the nutrient solution and the substrate.

Should I correct the pH before or after adding the microbial product?

Follow a mixing order that has been established for the combination. Mixing the microbial product directly with concentrated acid can temporarily create very different conditions from the final tank pH. A pH measurement afterward therefore does not tell you everything about the exposure during mixing. Have a product-specific mixing order confirmed in advance, stating how the water is prepared and when the product is added.

Do the microorganisms simply pass through every irrigation filter?

You cannot infer that from the name of the bacterium. Filters differ in how they work, and the formulation may contain particles or aggregates. In addition, an ordinary particle filter is not the same as a membrane that retains microorganisms. Map the filter type, filtration rating and injection point, and have the product’s suitability checked. Do not remove or bypass necessary filtration based on a general assumption.

Can I use live bacteria in a system with UV or disinfectants?

That requires coordinating the application route. Disinfection can also affect the added microorganisms. Map where the treatment is located, whether the water passes through that step again and whether an active agent remains after treatment. Use this to determine the injection point and application timing. Do not simply switch off a necessary disinfection step; there is no general waiting time that applies to all systems and products.

Is every biofilm undesirable?

Microorganisms can attach to a surface in a protective layer. Around a root, such an organization can contribute to the establishment of certain bacteria. In an irrigation line, buildup can be undesirable. What it means depends on the location, composition and consequences. So do not automatically use “biofilm” as a synonym for contamination, and do not infer a cleaning effect in lines from root colonization.

Mixing and application

Can the microbial product go in the same stock tank as my fertilizers?

A concentrated A or B stock tank requires a different assessment than diluted nutrient solution. In that tank, the salt concentration and sometimes the acidity are much higher. Suitability in the final tank therefore does not prove suitability for the stock tank. Have the exact fertilizers, dilution, residence time and microbial formulation assessed before dosing them together in one stock tank.

Is a jar test enough to know whether products can be mixed?

A jar test can reveal visible problems such as flocculation, precipitation or separation. It does not tell you whether the bacteria remain viable or whether both products retain their function. For microbial products, physical mixability, biological compatibility and crop safety are separate assessments. So check what a compatibility statement has actually tested.

Can I prepare a diluted solution the day before?

The shelf life of a closed concentrate does not automatically apply to a diluted solution. After dilution, conditions change and added inputs can affect viability. Only prepare a batch in advance when product-specific stability data are available. Have it confirmed how much time is allowed between mixing and application, and under which conditions.