See Subscription Options. Go Paperless with Digital. Materials Clear glass Tap water Vegetable or mineral oil Food coloring Alka—Seltzer tablets Flashlight optional Preparation Prepare a work area where you can easily clean up any spills, such as a kitchen counter. Procedure Fill your glass about one quarter full with water. Add several drops of food coloring.
Fill the rest of the glass with oil not all the way to the brim. Break an Alka—Seltzer tablet into four roughly equal-size pieces. Drop one of the pieces into the glass. What happens? Wait for the bubbles to stop, then drop in another piece. How long do the bubbles last for each piece? Extra: Stand a large flashlight on its end, with the light facing up, and place the glass on top.
Turn off the lights in the room and turn the flashlight on. Extra: Try the activity with different temperatures of water. How does water temperature affect your results? Extra: Try using half a tablet or even a whole tablet at once. Extra: Try pouring some salt into your glass instead of using an Alka—Seltzer tablet. 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.
Why is there is a small gap between the base and the bottle? Some lamps have a shadow gap between the base and the bottle; this is normal. How do I recycle my lava lamp base? Why not buy a new bottle and bulb and reuse it? If you must recycle it, please take it to your nearest household recycling centre which has facilities available for recycling electrical waste. Why does my lava lamp colour look different to the picture? Mathmos lava lamp bottles are made by hand so there will be small variations in colour.
Also bear in mind that colours look very different in the dark and in the light, our photographs are taken in the light. Do you supply lamp holders for my base? Has the formulation of Mathmos lava lamps changed?
The formulation has improved since the s making our lamps less likely to cloud in the heat or freeze in the cold. However we have not changed the formula in many years. Check your bulb is working Check you have positioned the lamp away from drafts, air conditioning or a window. Try the lamp in a new position in the room. Make sure the room is at least 20 degrees centigrade. The lamp will take longer to warm up the first few times; run the lamp for 4 — 6 hours each time.
If you have an older base check the correct light source is fitted: see bulb section for the possible bulbs here. Check there is a coil at the bottom of the bottle. What should I do if my lava lamp has been moved while being on and is now cloudy? Clouding in a bottle which has been moved when it is in use or still warm is irreparable. You can try and run the bottle for a few times to see if this will improve it. If this does not help, you can buy a new bottle here.
Tealights differ in Flame height, heating power and wick length. The larger tealights with a height of 15 mm work best. If you have a lower tea light you could try and raise its height by placing a coin under the tea light.
Will candle powered lava lamps work outside? Yes like any unprotected candle light you need a place with no wind. I've lost the rubber protectors from the bottom of my Telstar.
What can I do? You can purchase a set of Telstar boots from our spares section here. Why won't my new Telstar bottle fit on my old Telstar base? Bottles and base tolerances do vary a little over time. So it is possible that our new bottles may not fit older telstars please contact customer services here.
Not from us, I am afraid we suggest you look online in the US. How can I clean my Mathmos Telstar lava lamp? Use a soft cloth on both the legs and body. Some older telstars have polished aluminium legs that tarnish over time, these can be cleaned with an aluminium cleaner.
How do I change a GU10 bulb in a Telstar lava lamp? Place the base on its feet and hold it at the outside of the bulb holder the plastic bit, where the cable comes out of the base. Then take the bulb out by pressing the bulb down and turning the bulb to the left for a quarter turn. Where is the Mathmos brand on my iO? The Mathmos branding is on the cast base. I have broken the iO glass shield, do you have spares? Will a Lunar Bottle work on my iO? The iO and the Lunar use the same bottles and are interchangeable.
How can I clean my iO lava lamp? Just use a soft cloth to clean the metal parts. I have lost the screw holding my iO together. You can use an Allen screw of the appropriate size M4 x 8mm or failing that buy another screw, or any other spare parts for your iO, here. You don't provide a dimmer with the iO? The iO runs best at an ambient temperature between 20 and 25C and under these circumstances will not need a dimmer. Sometimes when the temperature is higher it may be better run the product with the lamp dimmed.
Plug-in dimmers suitable for halogen lamps are available and can be used with the product. I cannot get the cap to fit? Ensure that the cap is the correct way around and that the two arms are aligned and in the slots in the cap, before gently pushing down. Do not force it as this could damage your product. See assembly video here. Do I need to fit the glass shield? Yes, this is an integral safety component of the product.
The screws fixing my iO together stick out just a little, is this normal? They do vary a little so yes this can be normal. How long should it take for my iO lava lamp to warm up?
Please look for LAVA products at retailers near you and across the web. You can unsubscribe anytime. How big are the lamps in relation to each other?
For best results, a room temperature of 68 degrees Fahrenheit is recommended. This is normal, so allow it to run for at least two to six hours the first time you use it. The more often you use it, the quicker the startup time will be. Make sure your lamp is turned off and cooled before attempting this: Check the bottom of the lamp.
Once turned on, these lamps create a mesmerizing movement of light and blobs of color, but, unfortunately, they sometimes experience issues. Utilize some simple care tips to avoid most lava lamp problems. If treated appropriately, these lamps can last for many years. The lava lamp turned 50 in Reportedly, Walker was in a pub when he noticed an egg timer made of a cocktail shaker filled with strange liquids. While this sight inspired Craven's lava lamp design, it took him 15 years to get it right.
No two lava lamps are the same. In the s, the hippies of the time took a liking to the psychedelic lamp. The visuals of the blobs of color swirling in a lamp base were the perfect backdrop to the time. While the children of the s may have been the first customers, they weren't the last.
Sales slumped in the s but picked up again in the s, thanks to the "groovy" Austin Powers movies. According to LavaLamp.
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