FAQ's - Mathmos Lava Lamps

  1. Q. Can I buy replacement parts for my lava lamp?
    A. Yes Mathmos lava lamps are designed to last please buy replacement parts here.
  2. Q. My lava lamp is faulty what can I do?
    A. Firstly read through these FAQs to see if your question has been answered. If not we offer a one year warranty on all our products.  If your lamp was purchased less than a year ago, please contact our customer service team who will be happy to assist. Please read our Faulty Product Returns Advice.
  3. Q. Why is my lava lamp cloudy?
    A. Lava lamps become cloudy for two reasons; either they have been shaken or moved whilst hot or they have reached the end of their life (2000 hours). You can purchase a replacement bottle for your lava lamp here.

    cloudy bottle - bottle cloudy - cloudy lava lamp - lava cloudy

  4. Q. Why does my lava lamp have specs and bubbles in the glass?
    A. Mathmos lava lamp bottles are manufactured in one of the highest quality automated bottling factories in Britian. Even so small bubbles are a normal part of this manufacturing process, it is not a fault.

    glass imperfections - imperfections glass - bubble glass - small bubbles glass - bubbles bottles - bottle bubbles

  5. Q. What are the differences in quality between a Mathmos lava lamp and others?
    A. A different lava formulation giving better lava flow, longer life, clearer liquids and more vivid colours. The metal parts are of a thicker, higher grade metal allowing us to hand polish them to a high shine. Our bulbs are directional taking the heat away from the base and directing the light into the lava. We have a higher standard of safety and build quality audited by a number of different bodies. We provide a comprehensive range of spare parts unlike other throw away products. We have 50 years of British manufacturing excellence to draw on.
  6. Q. How long should it take for my lava lamp to warm up?
    A. Lava lamps should start working within an hour to an hour and a half of turning them on. First they will form stalagmite shapes, then they will start to form lava lamp shapes.  Please note, new bottles will take longer to heat up (up to three hours), but the heating time will decrease after several uses.

    If your lava lamp does not warm up in this time it may be positioned in the wrong place or the room may be too cold. Lava lamps should be positioned away from drafts and air conditioning. The room should be at least 20 degrees centigrade.

    how long warm up - how long start up - lava lamp start up time - lava lamp warm up time

  7. Q. My lava lamp just has one large bubble sitting at the top of the bottle that does not move?
    A. The lava lamp is overheated. It could have been on too long (more than 8 hours), so please turn it off and allow it too cool. Or it is positioned in a room that is too hot (more than 24 degrees) or next to a heater. Please reposition your lamp.

    lava stuck at the top

  8. Q. How should I dispose of my lava lamp bottle when it reaches the end of its life?
    A. Please make a hole in the metal cap with a sharp point, then pour away the liquid. The bottle may then be recycled through your local recycling centre.

    bottle throw away - dispose bottle

  9. Q. Can I buy new liquids for my lava lamp?
    A. Lava lamp bottles are a sealed unit and so we do not sell the liquids separately, but you can buy a new bottle and contents for Mathmos lava lamps here.

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  10. Q. Can I buy a new cap for my lava lamp bottle?
    A. Lava lamp bottles are a sealed unit and so we do not sell the cap separately, but you can buy a new bottle and contents here.

    lava lamp cap - cap lava lamp - buy cap

  11. Q. Why is my Astro bottle not sitting straight in the base?
    A. Bottles are now supplied with a lip which runs around the lower part of the bottle, to ensure it will sit straight in the base.  When the bottle is placed on the base, it should sit securely, although it will still be possible to move the bottle from side to side.  If your bottle isn't sitting correctly, please please contact our customer service team .

    wonky lava lamp - wonky bottle - bottle wonky

  12. Q. How long do lava lamp bottles last?
    A. Mathmos Lava lamp bottles last for approximately 2000 hours of use. After this you can buy a replacement bottle here.

    lava lamp lifespan - lifespan lava lamp - lava lamp last

  13. Q. Where can I buy replacement bulbs for my Mathmos lava lamp?
    A. Mathmos have large stocks of replacement bulbs for our lava lamps available here.

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  14. Q. Why don't you do replacement bottles in the colour I want?
    A. Mathmos have made a huge number of colourways over our long history, it is not possible to keep all the colours in stock. Please choose from the current range.

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  15. Q. Do you offer custom refills?
    A. We are sorry, but we are not longer able to offer this service.  The only colours available are the ones listed here.

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  16. Q. Why has my lava lamp made strange stalagmite shapes?
    A. This is a normal part of the warming up process. Please leave it on longer and then it will start to form moving lava shapes.

    strange lava - lava sticks

  17. Q. My lava lamp is not lighting up?
    A. Please check that your bulb is working. You may buy a new bulb here. Alternatively, please check the integrity of the fuse in the plug.

    lava lamp broken - lava lamp doesn't work - broken bulb - faulty bulb

  18. Q. Can I buy Mathmos lava lamps for delivery to the USA and Canada?
    A. Not at the moment.

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  19. Q. Why can I see bubbles in the lava?
    A. Small bubbles in the lava are normal particularly when you first receive the lamp. As you use this over time the bubbles will reduce.
  20. Q. Why has the liquid in my bottle gone clear?
    A. Over time the dye in the lava liquid will fade, particularly if it is positioned in direct sunlight. If you lamp was bought within the last year and the instructions were followed please contact our customer service team. If your lamp was bought over a year ago you can buy a new bottle here.

    liquid clear - clear liquid

  21. Q. The liquid level of my lamp is too low. Can I top it up?
    A. No Mathmos lava lamp bottles are sealed units. Do not attempt to take off the cap and on no account top up the liquid. The heat from a lava lamp causes the liquid to expand and topping it up could cause the lamp to be overfilled and put pressure on the glass as the liquids expand. If you are not happy with your bottle buy a new one here.

    liquid low - liquid refill - top up liquid

  22. Q. Why is there wax sticking to the side of the bottle?
    A. If you use the lamp a few times this wax should join the rest of the lava. If this does not happen and your lamp was bought less than a year ago please contact us here. If you lamp is over a year old please buy a replacement bottle here.
  23. Q. Do you offer any colours in addition to what is shown on your website?
    A. No however we do constantly add new colours so sign up to our mailing list to be notified of new colours as they are released.

    bespoke bottles - special bottles - custom bottles - custom colour

  24. Q. My Jet lava lamp isn't working, what can I do?
    A. You may be able to buy bulbs for your jet here. Otherwise I'm afraid we can't help; the jet was discontinued many years ago.

    jet lava lamp broken - jet lava lamp replacement - jet replacement

  25. Q. Why can I see a metal spring coil floating in my lava lamp bottle?
    A. The metal spring is an essential component of a lava lamp bottle. However it should be sitting at the bottom of the bottle. Run the lamp for several hours and hopefully the spring will settle in its right place.

    metal coil in bottle - metal spring in bottle

  26. Q. Why won't my new Telstar bottle fit on my old Telstar base?
    A. Bottles and base tolerances do vary a little over time, please contact customer services here.

    bottle doesn't fit - bottle won't fit - wonky bottle

  27. Q. Why can I see a foreign object in my new lava lamp bottle?
    A. There should not be anything other than lava and liquid in the bottle, please contact customer services here.

    hair in lava lamp - hair in bottle - dirt in bottle - dirt in lava lamp

  28. Q. How old is my Lava Lamp?
    A. There have been many small changes in the manufacture of Mathmos lava lamps over our long period of production. Dating lava lamps is not something we can do for you. You might want to visit one of the specialist sites such as www.flowoflava.com to begin this process.
  29. Q. How can I clean my lava lamp?
    A. The bottle should be cleaned with glass cleaner and a cloth. The base and cap is aluminium so please use recomended products. If in doubt just use a soft cloth.

    clean lava lamp - polish lava lamp

  30. Q. My lava lamp broke on the floor.  How do I clean it?
    A. Dispose of as much liquid and lava as you can remove from the floor. Then use recommended cleaning methods for removing coloured water and wax for whatever floor you have.

    bottle smashed - smashed bottle

  31. Q. Can I buy Bayonet fitting bulbs for my 1960s lamp?
    A. Not from us I'm afraid we suggest you look online.

    bayonet bulb

  32. Q. Can you fix my Smart Astro?
    A. Please contact us here to discuss this.

    smart astro replacement - broken smart astro - faulty smart astro

  33. Q. Will a replacement bottle fit my 1960s Copper Astro or Lantern?
    A. Yes it should do.

    bottle copper lava lamp

  34. Q. The replacement bottle I ordered doesn't fit my lamp. Can I change it?
    A. Yes please contact customer services here.

    replace - change bottle - ordered wrong bottle

  35. Q. Can I buy new liquid and wax?
    A. No please buy a complete new bottle here.

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  36. Q. Can I buy a glitter bottle?
    A. Glitter bottles are not currently available.
  37. Q. What is the lifespan of a bottle or bulb?
    A. Mathmos lava lamp bottles last 2000 hours. The life of the bulbs vary depending on usage but replacement bulbs are available to buy from here here.

    how long bottle - how long bulb - broken bulb - faulty bulb

  38. Q. Can I buy replacement bulbs for my USA Telstar lamp?
    A. Not from us I am afraid we suggest you look online in the US.

    telstar american - american telstar - rocket lava lamp - bulb telstar - telstar bulb usa

  39. Q. Can I buy replacement bottles/bulbs for my 3-in-1 lava lamp?
    A. Whilst we do not have stock of the bottles or bulbs for this discontinued product you can buy regular bulbs and bottles here.

    three in one - 3 in one - 3 in 1

  40. Q. I've lost the rubber protectors from the bottom of my Telstar. What can I do?
    A. Please contact customer services here.

    telstar rubber feet - telstar replacements - rubber feet telstar - rubber feet rocket

  41. Q. Can I buy a new glass heat shield for my fluidium?
    A. We do not supply this part currently.  The heat shield is no longer required if the lamp is used with the current Fluidium bulb.  New bulbs for the Fluidium can be bought here.

    fluidium parts - fluidium replacements

  42. Q. Can I get a new dimmer for my Lunar?
    A. We do not currently supply this part for the discontinued Lunar.

    dimmer lunar - lunar dimmer

  43. Q. Are Mathmos lava lamps suitable for children?
    A. The only lava lamp suitable for children is the Mathmos Neo. The Neo was designed with children in mind, so as well as looking stylish it is also shatterproof, has fixture points, doesn’t get too hot, and is screwed together as a secure unit. This means the lamp has passed the stringent safety checks needed to be classified as child safe, something no other lava lamp in the UK is classified as.  We recommend other lava lamps be placed well out of reach of children under 14.

    age limit - kids

  44. Q. Can I buy a replacement bottle for my Jet?
    A. We are afraid that Mathmos no longer stocks replacement bottles for the discontinued Jet model.

    jet bottle - bottle jet

  45. Q. Can I buy a replacement bottle for my Lunar?
    A. Yes these are available here.

    lunar bottle - rocket bottle - bottle lunar

  46. Q. Where is the Mathmos brand on my lava lamp?
    A. The Mathmos brand is on the plastic base and either printed on the product itself, on a brand label on the lead or etched on the glass.

    brand - logo - where

  47. Q. Why is there is a small gap between the base and the bottle on my astro ?
    A. Some astros have a shadow gap between the base and the bottle; this is normal. If for any reason you do not like this please contact our customer service team.

    gap - base - bottle - rim

  48. Q. What is the best size of tea light for Fireflow?
    A. The taller tea lights 15mm high work best.
  49. Q. Will Fireflow work outside?
    A. Yes like any unprotected candle light you need a place with no wind.
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