We recommend that you follow these do’s and don’t s guidelines to ensure that your Bio-Pure Sewage Treatment plant runs smoothly. Remember that bacteria lives in the Bio-Pure to break sewage down- if you kill off the bacteria the Bio-Pure will not work.
Our personal opinion is not to use bio products. We find them expensive and not particularly effective. You can use normal household products but be careful only to use them in sensible doses.
If you are still unsure or have any questions regarding these guidelines (for looking after the Bio-Pure), please do not hesitate to


  • Try to stick to the same brands of cleaning products

    Your unit will become quite tolerant to the brands you use

  • Use liquids instead of powders e.g. washing and dishwasher

    Liquids are kinder to the bacteria in the unit

  • Spread out your washing through the week

    Don’t have a ‘washing day’

  • Consider washing with ‘Ecoballs’

    They work very well and contain no detergent or phosphates, great for your sewage unit (and for allergies).

  • Service your Bio-Pure once a year

    It only takes about 1 hour, and will keep your tank functioning properly

  • Keep the lid of the Bio-Pure accessible

    It will be easier for servicing and pumping

  • If you experience a problem, call us or a professional

    Only let experts look after your unit

  • Fix leaky faucets

    This will cause more water to flow into the system


  • Throw any medicines down the sink/loo

    Antibiotics will kill your unit

  • Empty large amounts of detergents and bleach down the sink/loo

    Pour the buckets down your outside drains, as these are not connected to the unit

  • Allow anti-bacterial substances, (hand wash, dettox, etc) to enter the unit

    These will KILL the unit. Apply the products with kitchen towels and throw them in a bin

  • Pour sterilizing fluids (Milton, etc.) down the sink

    These will KILL the unit

  • Pour milk down the sink

    The BOD of milk is too high and the bacteria will suffer

  • Put sanitary items, nappy liners, baby wipes, cotton wool, etc. down the toilet

    Cotton wool ‘shreds’ when wet, is very slow to degrade and blocks everything

  • Empty cooking oil down the sink

    The oil will coat and smother the friendly bacteria in your unit

  • Allow a ‘hot tub’ or ‘spa’ to discharge into this unit

    The volumes are too great and will flush untreated sewage through your unit.  If chlorination is used, this will also KILL the bacteria in the unit

  • Empty home-brew residues down the sink

    Yeasts will take over your unit!

  • Install a waste disposal unit

    The unit would need to be three times the size to digest the additional organic waste produced

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