Category Archives: Compost Bins

Worms and HOTBIN composting

Worms and HOTBIN compostingA question we often get asked is; do I need to keep my Wormery now I have a HOTBIN?

The simple answer is no and the key benefit is that the HOTBIN can compost both food waste and garden waste. Therefore you can save space, reduce costs and still keep your food waste out of landfill.

So what is worm composting?

Worm composting is using worms to recycle food scraps and other organic material into a valuable soil amendment called vermicompost, or worm compost. Worms eat food scraps, which become compost as they pass through the worm’s body.

So what is HOTBIN composting?

The HotBin is a simple design that helps maximise what nature does by bringing together the right conditions to make hot composting easier. It does this by providing effective aeration between the bottom air inlet plate and the air outlet rotating valve, removing excess water through the valve as steam and allowing you to control the rate of heat loss. You can compost 100% of all domestic food waste in the HOTBIN without inherent problems with odour, vermin and flies. This includes left over meals, plate scrapings, meat, fish, small bones, bread, cakes, pasta and rice. Your food and garden waste will be turned into rich organic matter for the garden every 90 days.

Worms in the HOTBIN?

You do not need to add worms into the HotBin however you can – either directly by adding into the base layer (which is cooler) or inadvertently by adding worm eggs and worms into the bin via small bits of soil and old compost . Most of the worms and worm eggs will be killed by high temperatures (>45C) but a some will find there way down into the base layer and continue to work on the base layer compsot.

However, worms can be beneficial to composting and can be added if you want to. But a word of warning do not add them into the upper active layer (60°C will kill them) only add worms via the hatch panel where the compost will be cooler. Worms will help to decompose waste and leave mucus in the compost which is proving beneficial to soil fertility.

As the HOTBIN is no ordinary composting bin as you can use it to recycle than just vegetable kitchen waste in it. The hot temperatures achieved during hot composting make composting all food waste in the HOTBIN a safe home composting system that recycles a whole lot more than just potato peelings.

So if you were thinking about a Wormery as a form of recycling food waste why not consider a HOTBIN as it composts both your food and garden waste together.

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This AUTUMN could be the time to RETHINK composting?

RETHINK composting this AUTUMNAutumn is coming – It’s will soon be time to start that big garden clear up again! Should you start to RETHINK your composting method now too?

You may well have wheel barrow loads of plant and weed being removed over the next few weeks.

What are you going to do with all your autumn garden waste?

1) Pile it all up as normal in that big heap – come back in spring hopeful of compost but most likely disappointed that you face the prospect of waiting another 12 months for your compost?

2) Take a different approach – join the HOTBIN composters and be sure of a fabulous batch of compost ready to dig in with you spring planting preparation?

3) Leave it out for the council green waste team to sort out – Oh dear! All that fuel, cost and effort to centrally reprocess it. Taking all that goodness from your soil this year, which means next year it has to be replaced by buying even more fertiliser, that takes even more energy and resources to make?

Composting during the cold autumn, winter and early spring months can  usually be a very slow process. Especially when the temperature falls below 5C, the rate the bacteria work is almost nonexistent. The secret to fast composting is heat – and lots of it. Compost forms 64 times faster at 60C than it does at 10C. If you can keep your waste hot (between 40-60C), it will compost in 20 to 90 days!

There are many help sites that recommend building huge piles (minimum 1X1X1 m3), and then turning them regularly to keep them aerated and hot. But even this technique will struggle in winter as the heat produced by the bacteria is quickly lost to the cold air. (And it requires quite a bit of effort and space too)

This is why so many HOTBIN composters are happy – all the hard work to help support natural high temperature composting is provided by the HOTBIN. As long as you keep feeding it every week with enough waste – it will keep running at 60C. It has been tested and proven even with outdoor temperatures as low as -15C.

Not only can you get rid of all that garden waste, you will also be able to compost all your food waste over winter too.

Now if you were an early HOTBIN starter, your HOTBIN might be full already! If the bottom layer has been in there for 90 days, now is a good time to empty it to make room for your  Autumn garden clear up.

It is always best to shred as much as you can (the smaller the pieces, the larger the surface area, the easier it is for the bacteria). Now if you don’t own a shredder  then you can always use your lawn mower!.

Now you are ready to fill up HOTBIN to the top and get it back up to 60C .

If you have a large garden you may still have too much waste . So the best thing is to store it in pop up bag or on another heap. Remember to keep it covered to protect  it from the rain. Where possible we suggest you store bags on stones/gravel so water drains out and some air can get in through the holes in the bottom.

You can add the excess waste every 4 days (about 20 litres 10 cms depth). As the ‘waste pile’ gets colder and older, reduce how much you add each week – But keep adding your food waste! (The bacteria need some easy to digest waste to keep the temperatures at HOT composting levels between 40-60C).

Keep going until all autumn waste is gone.

As soon as you start to collect a lot of autumn leaves – check out the ‘composting autumn leaves post’ as you need to tweak the recipe to hot compost leaves.

Remember the key to keeping it HOT is a BALANCE of ‘easy to digest waste’ made up of green stuff, food waste, plus shredded office paper’ (which creates heat quickly) with the hard to digest woody cuttings (heat released slowly), or partially composted waste (energy depleted).

Why not take up the challenge – find out what others have experience by visiting our product reviews at www.hotbincomposting.com. Explore more about how it works by looking at our extensive ‘how to compost’ database, for example our ‘principles of hot composting’ article.

The HOTBIN is a simple design that helps maximise what nature does by bringing together the right conditions to make HOT composting easier. It does this by providing effective aeration between the bottom air inlet plate and the air outlet rotating valve, removing excess water through the valve as steam and allowing you to control the rate of heat loss.

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The HOTBIN composting DOZEN is here!

Several requests from community composting groups and allotment and gardening clubs has prompted us to develop the HOTBIN composting DOZEN!

We hope you will agree it is a good way to get yourself a group discount and actively make a difference to the amount of food waste that unnecessarily goes to landfill.


So why not team up and club together! 

  • Are you are part of a community, a club or just a group of friends who want to recycle more household waste into great compost at home?
  • Do you want to enjoy a bit more of the ‘good life’ or simply fed up for paying for food waste collections?

Quite simply this community pack is designed for you to do more together and benefit from a group discount.

What is the ‘Composter’ Dozen?

12 HOTBINS delivered to ONE address or any multiple of 12 units.

Each unit in the shipment is a standard HOTBIN item and comes complete with all the accessories.

This is a bulk purchasing option for Community Composting or Allotment Associations (or any other group, formal or informal!) who wish to bulk buy and share the savings with members, neigbours and friends.

Why does it save me money?

The saving derives from the HOTBIN team booking a dedicated lorry packed with HOTBINS.

Please be aware there are special delivery constraints on these orders that you need to be aware of:

  • We are only able to drop the units at one delivery address and the buying organisation needs to assist in the off loading of units so the lorry can be on it’s way within a 30-40 minute period as the courier will still need the lorry to return and be productive the rest of the day
  • The driver will not be available to assist in moving units into storage or away from the immediate tailgate. It is essential the off loading is planned and help is on hand.
  • On our part, we will do our upmost to book a specific time slot and keep you informed so helpers are not hanging around.
So how much will it cost each individual?

The price equates to £95.83/unit ex VAT, (£115 per unit including VAT), which represents a 23% saving on our normal retail price.

How do I place an order?

To place an order please contact us on 0845 6210095 or email help@hotbincomposting.com

How do I pay?

The order can either be invoiced to registered charities & organisations with a cheque sent in advance of delivery, or paid via visa or master card over the phone.

Resources available

For more information on HOTBIN composting take a look at our extensive FAQ 

For advice and support on Community Composting look no further than the Community Composting Network

Community Composting Network (CCN) is the UK-wide organisation that supports and promotes community groups, social enterprises and individuals which are involved in producing compost from green/food waste and using it in their local communities.

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