Horticulture UV systems

Ultraaqua UV systems continuously disinfect water used for both soil based and soil-less plant cultivation in greenhouses. UV treatment is ideal for this application as it is a completely clean technology that introduces no chemicals or unwanted disinfection by-products into the water. It is important to note that in many cases horticulture uv systems are a neutral investment because costs associated with crop and financial insurance can be lowered. Some of the additional benefits are:

  • saving on pesticide sprays
  • improved crop quality
  • no residue on the crops
  • less stress for the crops
  • ensuring a healthy environment for greenhouse workers
  • biological control agents are not harmed

Rays in the 250-270nm interval are able to penetrate the outer membrane of microbes and damage their DNA essentially killing them. The same appears to be true for plant pests and their eggs; the smaller the pest the more susceptible they generally are to be inactivated by UVC rays.

The main microbial challenge organisms in green house water include fungi such as Pythium, Phytophthora, Fusarium and Erysiphales (mildew), bacteria such as Clavibacter, and viruses such as tomato bronze (wilt) virus and tomato mosaic virus and larger microbes such as powdery mildew.

Required dose varies between organisms, but since all known pathogens are sensitive to UVC rays, there is an added benefit from suppression of not only the specific targeted microbe.

UV disinfection may also be used for disinfection of the water source, such as collected rainwater or surface water. Horticulture UV systems are typically installed on outlet pipe systems from water storage tanks or on pipe systems for tank water recirculation.

To eliminate harmful pathogens in the horticulture industry, we can supply efficient standalone UV systems or fully-integrated containerized packages with all necessary equipment to include UV reactor, combined control cabinet, manifolds, valves and pre-filter if applicable.

Please note, that horticulture UV systems applied on recirculating fertilized irrigation water will typically have to be equipped with an automatic wiper which prevents the build-up of scaling deposits on the quartz sleeves ensuring optimum UV dose at all times.

ULTRAAQUA engineers will be pleased to assist you in finding the right solution for your specific application – whether that be one of our standard systems or a custom-made solution.

We offer unmatched value for money and competitive prices

  • Stable production forecast, better planning and projection
  • A unique organization with direct sales from factory to your agent
  • “Keep it simple – make it work” design philosophy. No unnecessary features or components.


Quality meets affordability
Unrivalled low operating costs: 16000H UV-lamp lifetime
Control panels for hot and humic environments
Effective upon viruses, bacteria, moulds, mildew
UV-disinfection of supply water or recirculating nutrient systems
Worldwide partner network
10 year horticulture experience