Suttons Cleaning Service


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(07) 5447 6477


- Domestic & Commercial Servicing
- Grease Arrestors / Traps
- Septic / Treatment Plant Systems
- Holding / Pump Tanks
- Portaloo / Demountable Toilets
- Silt Traps / Oily Water
- Storm Water Pump Tanks
- Gross Pollutant Traps
- Semi Solid / Liquid / Dry Waste

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What is Grease Arrestor / Trap & How Does it Work?

If your house has a septic tank you will probably have a grease trap.  The grease trap is typically a small square or round cement or plastic tank normally positioned close to the kitchen as it is designed to trap all household grease, fats, cooking oils and food particles from the household kitchen before they reach the septic system.  The grease arrestor will consist of an inlet pipe coming from the household kitchen, an outlet pipe for the excess water to drain away to the septic tank, and a plastic basket inserted inside of the tank. 

Why should I maintain my Grease Arrestor / Trap?

Preventing these fats etc reaching the septic system will minimise odours, blockages and help the septic system work to it full potential.  The septic system works on microbes and natural bacteria to help break down the solids, these bacteria work more efficiently without grease, fats, food waste.  As with your septic it is important to have your grease trap serviced regularly, maintaining your septic system and grease trap protects your investment in your home.  Servicing your grease trap regular will prevent a build up of waste, an over built up trap could cause a blockage of your inlet and outlet pipes and may even cause overflowing.     
How do I maintain my Grease Arrestor / Trap?

You can clean your grease trap yourself by using the plastic basket inside or you can have it pumped out by a licensed contractor like Suttons Cleaning Service.  Your average family household grease arrestor should be serviced / empted every 6 months, also regular visual inspections are recommend ensuring the grease arrestor level is not exceeding the inlet or outlet pipe and its consistency is not solid.  The frequency of the service depends on the size of the grease trap, the number of people living in the house, the use of a dishwasher or incinerator and home much waste you allow down your drain.       

Grease Arrestor / Trap Do’s and Don’ts


  1. Limit the amount of food scraps, oil & fat tipped down your sink.
  2. Use sink strainers where possible
  3. Install suitable size grease arrestor for your household, family size, dishwasher.
  4. Clean grease trap regularly


  1. Don’t use heavy duty cleaners.
  2. Don’t tip coffee grounds down sink
  3. Don’t poor waste oil down sink
  4. Don’t allow grease trap lid to be buried underground

What can make my system fail?

Your grease arrestor will fail if it’s poorly maintained, has broken pipe work, excessive food scraps, fats & oils are entering the system, incorrect size for the household.  Septic tank blockage can create a back up through the grease trap that can cause an over flowing grease trap which is a health hazard.


* Please note this information is a general guide.  If you require any further information we recommend you contact us or a qualified plumber.

Suttons Cleaning Service