Urban Composter Accelerator Refill 1L

Urban Composter Accelerator Refill 1L
Urban Composter Accelerator Refill 1L
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Urban Composter Accelerator Refill 1L. An accelerator solution for use with the Urban Composter or Bokashi bucket composting systems. This compost accelerator contains  EM-1 cultures (effective microorganisms) that ferment food scraps allowing them to quickly break down once buried under soil. Use to refill your spray bottle. 1 Litre.

Urban Composter Official Stockist

you are making a difference:

  • Return your food scraps to the earth to enrich the soil, reduce waste and reduce carbon emissions.
  • Packaged in recycled plastic.

how does it work:

  • Cut up your food scraps and throw them into the Urban Composter bokashi bucket.
  • Spray Compost Accelerator onto the scraps every time they are added (recommend 3-5 sprays evenly over scraps).  Bokashi mix can also be used if desired.
  • Push scraps down to compact the layers each time.
  • Ensure lid is sealed correctly all the way around as air contact may affect the fermentation process.
  • Drain the juice off every few days.  This can be diluted (1:100) with water and used as a fertiliser.  Alternatively this can be poured down the sink and acts as an organic drain cleaner.  
  • Ensure the bucket is left for at least 1-2 weeks after it is full to ensure all contents are fermented.  Ensure all juice is drained off.
  • Bury under soil or place on compost heap where it will break down in 4-8 weeks and can be planted into.
  • When emptied clean only with fresh water as this won't harm microbes inside composter.


1L. RPET bottle with screw top. 

Small family-owned Australian company.  Made in Australia.

Browse our other Bokashi products.

Don't know if this actually works

I never notice the difference with my compost when I use the accelerator. Not sure it was worth the purchase.

 – 20 Feb. 2022

Turned my new clay veggie patch into dark earthy loam

I can't speak highly enough of the Urban Composter system. We moved into a newly built house a few years ago and I wanted a compost system that would work with a new baby in tow (not too complicated, no heavy lifting). I got the small bucket for the kitchen and we spray pretty regularly with the compost accelerator, generally we go two weeks before it's truly full and needs burying in the veggie patch. The microorganisms in the accelerator spray break those food scraps down like you wouldn't believe, I just buried the bucket contents around in successive holes and it would be increasingly rich earthy loamy soil when I got back to the site of the first buried scraps. The spray lasts for ages, 3 years later I'm only now thinking about buying my second refill bottle, original spray bottle and bucket still going fine. Veggie patch is producing well and I get occasional surprise vegetables from seeds from the scraps (so maybe don't dig it in where you don't want random pumpkins for example).

 – 23 Sept. 2020

Will last forever

I have the original spray and this refill and I haven't had to open the refill yet (after around 7 months), so this will keep you going for ages. Does smell, but dissipates once you close the lid on your Bokashi bin.

 – 10 Dec. 2018

Love the option of a refill bottle

So glad this is available as the spray bottle stopped working for us. To be able to buy a 1L refill also means saying some money.

 – 29 May 2018

Economical choice

Great option to refill an existing Urban Composter Compost Accelerator Spray bottle. The whole Urban Composter system is absolutely fantastic and I love the fact that the spray helps hurry the whole process along when compared with a traditional compost system.

 – 28 Nov. 2017

Dynamic fermented fruit extract - EM1.

We are shipping orders in 1 to 2 working days.  Express orders placed by 1pm AEST are sent same day. 

45 day returns: If you are not satisfied with a product that you ordered online (*exceptions below), you are welcome to return it to us within 45 days, unused, unworn, and in a pristine saleable condition with the original labels attached, packaging and we will refund your cost of goods. Items marked 'Final Sale' can not be returned unless faulty. *except skin and body care, makeup, food, underwear, earrings, and custom order items, which can not be returned for change of mind.

Standard: Once the order has shipped, it will arrive in 2 to 7 days depending on your destination. 

Express: only for orders up to 4kg and excludes bulky/heavy items.

Click & Collect: choose your local store at checkout and your order to be there within 2 to 4 working days (1 working day for Milton warehouse). Please wait until you receive an email or text to advise that your goods are ready to be collect.

International: Flat rate shipping from $15 for orders up to 2kg. International orders are not subject to sales tax, so most prices are less 10% when purchased from overseas. 

See full details on shipping here >

Made in Australia

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