
Propolis is a sticky substance that bees use to sterilize their hives. It can be challenging to remove from surfaces, including beehive frames. While plastic frames are commonly used in beekeeping, some beekeepers have reported issues with propolis buildup. This buildup can be difficult to clean, and it is unclear if the plastic frames can withstand hot water cleaning. However, some beekeepers have found success in scraping off the propolis and using isopropyl alcohol as a solvent.
| Characteristics | Values |
|---|---|
| Isopropyl alcohol | Can be used to clean propolis off plastic frames |
| Ethanol | Can be used to clean propolis off plastic frames, but is harder to find in the US |
| Scraping | Can be used to clean propolis off plastic frames, but is messy |
| Bleach | Can be used to clean propolis off plastic frames |
| Hot water | May be used to clean propolis off plastic frames, but it is unclear if this will damage the plastic |
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What You'll Learn

Removing propolis from plastic frames
Propolis is a sticky substance that can be a challenge to remove from plastic frames. Here are some methods to effectively remove propolis and keep your plastic frames clean:
Freezing
As propolis is a resinous substance, it can be hardened by freezing. Leaving your plastic frames outside during winter or placing them in a freezer will cause the propolis to harden and flake off. Make sure to place a paper towel or container underneath to catch the flakes. After defrosting, wash the frames with water and a small amount of washing soda to remove any remaining residue.
Steam Cleaning
Steam cleaning is a commonly used method for cleaning beehive frames. It can be effective for removing propolis from plastic frames as well. To steam clean your frames, you will need an empty beehive box with a cover. Make a hole in the cover to deliver steam into the box, and ensure there is an opening at the bottom for wax harvesting. Place the frames inside the box, connect the steam delivery pipe, and allow the steam to sterilize and loosen the propolis. After steaming, you can use a strong-bristled plastic brush to lightly scrub the frames and remove any remaining propolis residue.
Isopropyl Alcohol
Isopropyl alcohol is a solvent that can effectively remove propolis from various surfaces, including plastic. It is readily available and relatively safe to use. Apply the isopropyl alcohol to a cloth or cotton ball and wipe down the plastic frames. The alcohol will dissolve the propolis, making it easy to remove. However, be cautious and avoid using excessive amounts, as it can be poisonous if ingested. Always follow safety guidelines when handling chemicals.
Scraping
While scraping may not be the preferred method for plastic frames, it can be effective in removing large buildups of propolis. Use a plastic or wooden tool to gently scrape away the propolis from the frame, being careful not to damage the plastic. This method may require more effort and time compared to other methods, but it can be useful for targeted areas with heavy propolis accumulation.
Remember, regular maintenance and cleaning of your plastic frames will help prevent excessive propolis buildup. By combining these methods and maintaining good beekeeping practices, you can effectively remove propolis and keep your plastic frames clean and functional.
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Cleaning propolis off a camera
Propolis is a gooey, sticky substance that can be challenging to remove from surfaces, including camera equipment. It is a common issue for beekeepers, who may find their cameras and other tools coated in propolis. Here is a step-by-step guide on how to clean propolis off a camera:
Prepare the necessary materials and safety gear:
Before attempting to clean propolis off your camera, ensure you have the right materials and safety gear. You will need:
- Isopropyl alcohol (91% concentration or higher) or ethanol (ethyl alcohol). Isopropyl alcohol is a good choice as it is effective on various surfaces, including metal, plastic, and glass, without causing damage. Ethanol is also effective but may be harder to find in pure form and is more expensive.
- Gloves: It is recommended to wear gloves to protect your skin from the chemicals and the sticky propolis.
- Soft cloths or lens cleaning wipes: These will be used to apply the alcohol and wipe down the camera.
- Protective eyewear: Safety goggles or glasses will shield your eyes from any splashes of alcohol or propolis.
Work in a well-ventilated area:
Isopropyl alcohol and ethanol produce strong fumes, so ensure the cleaning area is well-ventilated to avoid inhaling excessive vapours.
Apply the alcohol to a soft cloth or lens cleaning wipe:
Soak a soft, clean cloth or lens cleaning wipe with the chosen alcohol. You can also use pre-moistened lens cleaning wipes, which often contain alcohol.
Gently wipe down the camera:
Using the alcohol-soaked cloth or wipe, carefully clean the camera's exterior surfaces, paying close attention to areas with propolis buildup. Be cautious around buttons and sensitive electronic components to avoid damage.
Reapply alcohol as needed:
If the cloth or wipe becomes dry or soiled, reapply alcohol and continue wiping until all propolis residue is removed.
Allow the camera to air-dry:
Once you have finished wiping down the camera, let it air-dry completely before handling or storing it.
Dispose of used materials properly:
Ensure you dispose of any used wipes, gloves, or other materials responsibly and according to local waste management guidelines.
Test your camera:
After cleaning and ensuring your camera is dry, test its functions to confirm that it is working correctly.
Prevent future propolis buildup:
To minimise future propolis issues, consider using a polycarbonate dive housing for your camera. These housings are waterproof and can provide better protection against propolis and other contaminants.
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Isopropyl alcohol as a cleaning agent
Propolis is a sticky, gooey substance that bees use to protect their hives. It is challenging to remove from surfaces, including plastic frames. While some people reuse old frames, they are considered cheap and disposable.
Isopropyl alcohol, also known as isopropanol or IPA, is an effective cleaning agent for removing propolis from various surfaces, including plastic. It is a potent antimicrobial agent, killing 99.99% of germs within 10-30 seconds of application. It is composed of negatively charged oxygen and positively charged hydrogen and carbon atoms, making it a polar molecule that reacts rapidly to both polar and nonpolar flux, oil, and resin.
Isopropyl alcohol is widely used as a disinfectant and solvent in industries such as pharmaceutics, hospitals, cleanrooms, electronics, and medical device manufacturing. It is ideal for cleaning water-sensitive products as it evaporates quickly and has a low water content. This makes it suitable for cleaning circuitry, semiconductors, fiber optic cables, LCDs, medical devices, computer chips, and other electronic components.
Isopropyl alcohol is also an effective degreaser, easily cutting through and removing grease, grime, oil, dirt, and other sticky residues from surfaces. It is commonly used as an ingredient in commercial floor cleaners and hard surface cleaners, as it enhances the cling time of the cleaner on surfaces before rapidly evaporating.
When using isopropyl alcohol, it is important to note that different solutions, purity grades, concentrations, and alcohol types will yield varying results. While 99% IPA is excellent for cleaning grease and grime, 70% IPA is better for sanitizing surfaces. Additionally, IPA is not effective against certain fungal spores, and should not be used for skin antisepsis as it can be harmful to the skin.
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$32.75

Reusing old frames
For picture frames, you can repurpose them into something functional and decorative. For example, you can turn an ornate frame into a serving tray by adding a solid backing, such as marble or mirror, and attaching handles. You can also create layered panelling by mounting a series of empty frames of varying sizes on a wall, adding character to your space without breaking the bank. Another idea is to transform a frame into a pinboard by adding a linen or cork insert and some push pins.
If you're looking to reuse eyeglass frames, you can donate them so that someone else can get use out of them. You can also keep your old frames and use them when you get a new prescription. Some stores will be happy to replace the lenses for you, allowing you to keep the frames you love.
When it comes to beehive frames, reusing them can be a bit more involved. It is important to clean and prepare the frames properly before putting them back into use. This includes removing any propolis, beeswax, and framing wires, as well as killing any wax moth or hive beetle eggs that may be present. Freezing the frames for several days is one method to ensure that any pests or eggs are eliminated. After cleaning, the frames can be rewiring with foundation or starter strips and stored for future use. While it is more common to use new frames, reusing old beehive frames is certainly possible and can help reduce waste.
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Preventing propolis buildup
Propolis is a resin-like material made by bees from the buds of poplar and cone-bearing trees. Bees use it to build hives, and it may contain beehive byproducts. It is also used to embalm large intruders such as lizards and mice, preventing the hive from rotting. Propolis is often compared to glue and helps enhance the beehive structure by holding together the various components of the hive. It also helps to seal out all alternative entrances to the hive, making it impossible for intruders to sneak in.
Another way to prevent propolis buildup is to ensure that the interior of the hive is smooth. Rough surfaces attract propolis buildup as bees use propolis to smoothen these surfaces and prevent wear and tear to their wings. Keeping the hive surfaces smooth can help discourage bees from accumulating propolis in these areas.
Additionally, beekeepers can regularly scrape the propolis from the honeycombs. This can be done annually and helps to remove propolis buildup before it becomes a problem.
Finally, a non-polar solvent such as isopropyl alcohol can be used to clean propolis off hard surfaces, including plastic. This method should be approached with caution, ensuring that the solvent is safe for the surface being cleaned and is not dangerous to breathe.
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Frequently asked questions
You can use 91% isopropyl (rubbing) alcohol to clean propolis off plastic frames.
Yes, you can also try ethanol (ethyl alcohol). However, it is harder to find ethanol that is not mixed with something sticky, expensive, or highly taxed.
You can put down a layer of paper towel under the frames. The wax will filter through and the propolis will stick to the paper.
You can scrape propolis from the frames using a hive tool. Do this outside or in the garage, and put down a drop cloth to catch the propolis that chips off.
Yes, propolis does stick to plastic frames.





























