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Hi Kyleandrei, sorry, I am not qualified to give you advice on coated (or uncoated) camera lenses.

Hi Virile, thanks for viewing my video, and thanks for your tip. Magic Erasers CAN be effective because they are not just foam pads - instead, they are made of melamine foam - a special melamine-formaldehyde condensate. This open-cell foam is microporous and its polymeric substance is very hard, so that when used for cleaning it works like extremely fine sandpaper, getting into tiny grooves and pits in the object being cleaned. If I could easily re-record my video, I would recommend that people try a Magic Eraser on permanently etched crystal because the fine sanding MIGHT be effective, especially on minor cloudiness. If you want the Magic Erasers to be even more effective, you could try tying them around a wooden dowel and using them in a drill. Finally: deeply etched (very cloudy) crystal will probably still need cerium oxide as explained in my video.

Hi Nanny, thank you very much for watching my video. Please do not worry about any after effects of the CRL water spot remover. Glass is completely impervious. That means that the CRL chemicals cannnot soak into glass. So as long as you clean the glass thoroughly after using the CRL there will be no danger whatsoever.

@@shelfsupportsolutions5808 I see, Thank you for responding

Hi Leslie, thank you for viewing my video. Sorry, but although muriatic acid is cheaper than CRL water spot remover it simply does not work on most water stains. It is also much more dangerous than CRL.

Hi HisHer, thanks for your kind remarks. Make sure no small children get hold of these glittering objects. Kids cannot resist them and they are easily broken!

splashes *not flashes*

Hi Farid, thanks for your report and your cautionary remarks about acid. My recommended CRL water spot remover should also be used with care (protective gloves and good ventilation) but, as you see from the Safety Data Sheet the HF content is less than 2%: webcache.crlaurence.com.mx/DataSheets/MSDS/PDF_MX/C2020.pdf

Hi, sorry we retired and do not know anyone with the skill, knowledge, time, and inclination to undertake jobs like these.

Hi Louis, thanks for your kind remarks. Very many tourists stop at gift shops all over the world and purchase fridge magnets, T-shirts, and other items such as mugs - as souvenirs of their memorable vacations. So mugs become valuable, sentimental souvenirs. But you are correct to conclude that busted mugs cannot be perfectly restored for use as dispensers of hot coffee. If you had had 40 years experience of dealing with narcissistic customers with busted china you would join me in leaping from a tall building. ME: “We can repair the chip but the piece will become a display item - you cannot use it for coffee, soup, scrambled eggs, pierogi, spaghetti, or anything.” Customer: “Oh, this is so disappointing - I really need 12 place settings - what about if I just used it for Thanksgiving?” ME: “You can use it for Thanksgiving, Kwanza, Passover, Christmas, Easter or whenever (the hell) you wish, but the repair (filling and paint) will eventually wash off because we cannot fire the restored paint.” Customer: “Well could I use it for a dessert or salad without liquid?” ME: “You can fill this china with strawberries, blueberries, raspberries, tomatoes, carrots, cucumbers, apricots, sweet potatoes, peaches, plums, melons, eggplant, lemons, lettuce, green beans, kale, broccoli, Brussels sprouts, cabbage, spinach, corn, Swiss chard, celery, beets, onions, cauliflower, cherries, bananas, mushrooms, parsnips, turnips - or whatever you like BUT the repair will eventually fail.” Customer (in a valedictory insult): “Well can you put me in touch with someone who CAN fix my china?!!!!! ME: "I have a Ph.D. and 40 years experience NO ONE CAN FIX YOUR MUG"

I came to this video to find ideas about how to fix three broken cups that are shattered into multiple pieces. The video doesn't tell how to fix that so I was sad about maybe having to toss them. Then I saw your comment. If gluing them back together the regular way doesn't work then I love the idea of keeping them as desk organizers, planters, or paint brush water cups. If I turned them into planters I'd have to remove the handles so they will look more like pots, and so they will fit on my narrow window sill. Thanks for the ideas!

Hi Deborah, thank you very much for this important reminder. Fine Glassware and crystal should always be hand washed and never placed in a dishwasher. You are quite correct.

@shelfsupportsolutions5808 of course, if it's everyday glassware that's cloudy, it can be boiled for a few minutes in a pot of water with a half cup of white vinegar. 🙂

Hi Melony, thanks very much for viewing my video AND for your very sensible advice on hydrofluoric acid (HF). I am attaching the Safety Data Sheet for the CRL water spot remover and you will see that the HF content is less than 2%: webcache.crlaurence.com.mx/DataSheets/MSDS/PDF_MX/C2020.pdf So, whilst you are quite correct to be cautious about dangerous chemicals, the risk of damage from HF is rather low unless you drink it. Sorry, I may have been misleading in my commentary. However, we highly recommend using gloves and protective goggles and also operating in a well-ventilated environment. Many thanks again for your cautionary note!!

Hi Theresa, I don't suppose you are the former Conservative Prime Minister (just retired from the House of Commons)? If so - congratulations on having the sense to emigrate to California!. On the mug - it's OK to use occasionally if you insist BUT much better to keep it as a displayed souvenir. With heat and washing the crack will widen and extend. Thanks for watching my video!

Hi Gary, that's a great question! The real answer is that you should never place a repaired coffee mug in the microwave (metal handle/armature or not). This is because the glue and any epoxy filler or paint is NOT FIRED ON. So the repaired mug becomes a display piece - not to be used under any circumstances (unless you want to fix it again). PS Thanks for viewing the vid!

Hi Mr. Faded, thanks very much for viewing my video. As I mentioned in the commentary, vinegar is sometimes effective because when calcium carbonate (CaCO₃) comes in contact with vinegar (which contains acetic acid, CH₃COOH), a chemical reaction occurs. Here’s the chemical equation for this reaction: CaCO₃ (s) + 2CH₃COOH (l) → Ca(CH₃COO)₂ (s) + H₂O (l) + CO₂ (g) In this reaction: Calcium carbonate reacts with acetic acid to form calcium acetate (Ca(CH₃COO)₂), water, and carbon dioxide gas (CO₂). In practice, however, most users report that household vinegar is too weak to remove serious deposits. If you like the idea of using vinegar we recommend the full, industrial-strength variety - amzn.to/4e8hbcX

@@artistryinglass943 Yeah, I have been trying with household vinegar and it's really difficult (trying to clean up old aquarium glasses) the Hydrofluoric acid can be lethal in high concentrations. Is the CRL water spot remover safe to use? Supposing that some splashing could occur? Thanks for the video.

@@eduardomurphyperez717 For best results turn the aquarium on its side so that the water-marked surface is horizontal. Then pour a little CRL on the glass and let it "pond" up for a while. You will see the scale start to release. Then flip the aquarium to do the other side. CRL does not work by scrubbing - just by dissolving so you just need to allow the CRL liquid to sit on the stained surface long enough to work. Rinse with plenty of clear water and try again if some stains remain., Be sure to use gloves and goggles. John

@@johnwakefield5633 Thanks for the tips, great info on the video, btw.

Hi Peter, Good question - this is a new one for me and the the heat may have "baked-in" or otherwise modified the stains making them harder to remove than typical hard water deposits. If the stains are really CaCO₃, then the CRL should work - but experiment on a small area in case of unexpected results! Otherwise, carefully grinding and polishing with cerium should also work. Good Luck!

Hi Barry, bird poop is acid (PH around 3.00)and can permanently etch glass. CRL spot remover will probably not help. The only solution is abrasive polishing using foam or felt pads and cerium oxide. amzn.to/3JRwvN7 . Test on a small area first.

Yes you can but I cannot guaranty to diagnose for sure from a photo. Send to support@artistry-in-glass.com and I will take a look.

Hi Whitebird, sorry you can't find a supplier in Portland. Any competent glass company is capable of doing backsplashes - the installation is almost identical to installing wall mirrors. Your best bet is to call the larger residential glass companies in your area - like canyon.glass/ www.bridgecityglaziers.com/ mthoodglass.com/residential/ Avoid window repair/window board-up or auto glass companies. To clarify, send them a link to my video, Good luck, John

Hi Bruce, I have never tried but I suspect that it would dissolve the hard water deposits - just not sure if it would etch or damage the plastic. Try at your own risk!

@johnwakefield5633 thanks for the "HEADS UP"

Hi Michael, thanks for your generous testimonial! We have always tried to persuade our Arizona customers NOT to request a saguaro and a coyote howling at the moon when there are much better design options available. (If you could subscribe I would appreciate it!) John

Hi Barry, thanks for watching my video. Some less-than-honest repairers may claim that repaired mugs can be used - either in the microwave or otherwise BUT no glue will withstand repeated or even occasional use for your favorite cup of coffee or tea. We tell all our customers that a mug with a fixed handle becomes a DISPLAY piece only.

@@johnwakefield5633 Thank you so much for your reply. That's what I was concerned about. You've saved me a lot of time and another mess on the floor.

Hi Lina, thanks for the feedback. What brand of toothpaste did you use? And did you use a soft-bristle brush?

@@johnwakefield5633 colgate total whitening. I just used my fingers. Rubbed it on the problem area. Until it dried and then rinse while using my fingers. I decided to try toothpaste because u mentioned it was not very abrasive and i didnt want to scratch my coffee mug so i decided to try it. :) worked great!👍🏼

Hi Bruce, thanks for watching my video. Yes, reusing will work for a while but you may start to have an issue with "dregs" - white calcium carbonate residue from the bottom of the glasses. I think the optimum recycling method is to use 2 bottles - one for the used and one for the fresh. Then you can evaluate the effectiveness of the used liquid as it gradually loses strength,

That's the exact problem I'm having with my glassware. I wish to get some help here..

@@jscraftynook4277 Since my original comment, I discovered something > white vinegar! fill a sink with hot soapy water and add, say, a half cup of white vin. Its AMAZING! Cuts all the filmy stuff, and any oils of marks. Eureka!!!

Hi Joao, thanks for watching my video and for the excellent question. The short answer is that it is not a good idea to use strong solvents or to grind and polish delicate lenses unless you are certain of what you are doing. Many eyeglass lenses are made of polycarbonate (plastic) and many lenses of all types have special surface coatings that will be removed by abrasive polishing. The only exception might be a large, antique glass lens, used for decorative purposes that might have water stains.

@@artistryinglass943 ok thanks, you are very helpfull

Hi LifeHack, thanks for watching our video. You ask a good question. I have a great deal of concern for pollution, climate change, and the future of our planet but the amount of CRL we use on a typical glass (maybe 6 oz) is not dangerous. We decant the used solvent back into a spare bottle for reuse (it keeps its strength through multiple uses). When it has lost its power we carefully dispose of the residue by diluting in tap water and allowing it to drain away. John

Hi Grecia, thanks for watching my video. If it's worth $15.00 to you, try this black epoxy from Bigbong - amzn.to/47cOIOs . Be sure to clean the broken surface before applying the glue. After it sets up, sand and polish. Or, you can use any 2-part epoxy you have available and tint it black with lead scraped off from a lead pencil (not so good). Please subscribe to my channel - best wishes John

Thanks Querty - every little helps!

@@johnwakefield5633 it does. I hope more follow suit!

Hi Mr Unknown, sorry but this just works on glass - definitely not on fiberglass (but I have not heard of glasses made of fiber), thanks for watching, John

Hi Isa, I like this: amzn.to/3u4BeX3 but any UV-activated glue will work, Thanks for looking at my vid, John

Sorry you feel that way young Buddha. Our intention is to help. We do not accept any requests to clean cloudy glasses except from a few very loyal customers in Tucson, Arizona. Check our Google testimonials if you do not believe we are nice people - artglass.website/

Hi Latresee, thanks very much for watching my vid - but, sorry we only do repairs for Tucson customers.

Thanks for the feedback Janny! Did you have hard water deposits (calcium carbonate) or do you think the cloudiness was caused by etching? (normally from dishwasher chemicals).

@@artistryinglass943 QUESTION, JOHN ... Have YOU any idea WHY we continually have to REVISIT this issue with the DW dish detergent put out by Cascade & Finish?? (I only buy the "name brands" thinking, surely!!, THEY have a handle on the chemistry needed to keep this from happening!!) For a very long time it seemed that they had the situation solved. However, with Cascade's recent (1/'23) formula change, I N O W have a badly "etched" water goblet (interestingly, after being run through the dw with Marana/Tucson water!). Thank you for whatever information you share.

Great! I'll try that - I have bar keepers friend and can use that...thx. Mine just have this filmy coating from sitting in a cupboard, rather like a light layer of dust/air - who knows? its annoying, as I love pretty glasses but they must be clean to enjoy!