LP Sterox 1 Litre

Product Code: 56609 Category:

LP Sterox is a highly effective disinfectant for use against Legionella, pseudomonas, bacteria and algae, as well as the removal of biofilm. Ideal for disinfecting stored water systems in all domestic or commercial properties, LP Sterox is easy to use, with no need to flush out or neutralise the system once disinfection is complete. One bottle will disinfect a 300 litre system during normal use, or 400 litres if the system is not used for 24 hours after application.

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  • Effective against legionella & pseudomonas
  • Kills bacteria and algae
  • Once disinfection is complete, there is no need to flush out or neutralise the system.
  • Compatible with other cooling tower chemicals
  • Penetrates and removes biofilm
  • Non foaming formulation – safe and effective
  • One bottle of LP Sterox will disinfect a 300 litre system during normal use, or 400 litres if the system is not used for 24 hours after application. It is not recommended to exceed this dosage rate. For drinking water systems, a full flush is recommended after disinfection to remove any dislodged biofilms before consumption.Test strips are available for monitoring hydrogen peroxide as follows: At the recommended dosage rate, 1 litre contains 100 ppm in-use hydrogen peroxide (0.30% LP Sterox in solution) – this is the required dosage rate for legionella control. For further information on treating legionella, consult BS EN 8580, ACoP L8, HSG274 and HSG282.

    LP Sterox is supplied in 1 L bottles.

    LP Sterox is classified as non-hazardous for human health, but as with all chemicals, keep out of reach of children. In case of contact with eyes or skin, rinse immediately with plenty of water.

    Form: Liquid
    Colour: Colourless
    Odour: None
    pH (conc.): 4.0
    pH (in-use): 6.5-7.5
    SG: 1.01 at 20 °C

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    Disinfection is a process which destroys or irreversibly inactivates micro-organisms, reducing their numbers to a safe level.

    Its purpose is to leave a clean water supply. It must be carried out in the following circumstances:

    • During routine annual system maintenance
    • New installations n After major system extensions or alterations
    • After installing underground pipework, except localised repairs which require prior disinfection of components
    • Where it is suspected that contamination may have occurred: i.e. fouling by sewage, or if systems have been inspected or repaired
    • Where a system has not been in regular use nor regularly flushed

    What should be done?
    Fernox offers a silver catalysed hydrogen peroxide treatment, Fernox LP Sterox.

    Fernox LP Sterox
    This product treats a wide spectrum of biocidal activity including all water-borne bacteria and viruses. It is particularly valuable in modern water system hygiene management where more conventional treatments such as chlorination are unsuitable. Fernox LP Sterox is supplied in one litre bottles. This will treat 300 litres of system water. After treatment, it is not critical that Fernox LP Sterox is flushed from the water supply as it naturally decomposes to water and oxygen.

    Water should be run from each outlet and tested with a Fernox LP Sterox Test Strip until the concentration in the water is less than 200ppm.

    Algae in feed and expansion cisterns Leathery skins or films of algae on the surface of expansion cisterns in open vented systems are caused by fungal mould growths. It occurs when the expansion cistern is not properly covered causing dust, insects and spores to be able to enter the water.

    Algae in feed and expansion cisterns
    Underfloor heating systems are also susceptible to microbial growth due to the lower temperatures at which these systems operate.

    Gas in the system
    Microbiological fermentation in a system could result in flammable gas. Methane gas, which burns with a blue flame, is most often found.Hydrogen sulphide (emitting a ‘bad egg’ smell) may also occur, and is associated with the presence of corrosive sulphate-reducing bacteria.

    Bacterial or yeast infestations caused by organisms entering the system from the supply water; debris in new systems or through air contact in open expansion cisterns can also occur.

    What should be done?

    To combat algae in open vented systems, empty the cistern and disinfect with Fernox AF-10Biocide or Fernox LP Sterox. Refill the tank, adding the correct dose of AF-10 Biocide (refer to the instructions on the container)and top up the concentration levels of Protector F1. Ensure the tank is fitted with a purpose-made lid to prevent future contamination of the tank.

    When there is gas in a system,use Fernox AF-10 Biocide to control microbiological growths and prevent gas build-up. Where contamination is significant,several repeat doses of biocide may be required: in such situations, it may be appropriate to drain and retreat the entire system.

    Bacterial contamination in air and ground source heat pumps
    When there is bacterial contamination in air and ground source heat pumps, Fernox HPCleaner can be used.

    Before use, it should be diluted using no more than 600 litres ofmains water per one litre of HPCleaner (equivalent to 600 metres of 40mm pipework). The ground collector must be flushed out with fresh mains water before being filled with the diluted product.Having circulated the HP Cleaner for at least one hour, after whichit should be flushed out until thewater runs clear. Fill the ground collector with Fernox HP-5 /HP-5c or HP-15 / HP-15c depending on the level of frost protection required.

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