serkan Posted June 16, 2007 Share Posted June 16, 2007 Hey everyone, I had no idea that this would work but it does. I had a couple scratches on my display tank and after smothering them with toothpaste and a bit of elbow grease, they were gone! Apparently it's the fluoride in the toothpaste. Just thought I should share in case anyone else wants to remove those scratches. Link to comment Share on other sites More sharing options...
Dreamwater Posted June 16, 2007 Share Posted June 16, 2007 It is also because it is a very slight abrasive compound...used to use that years ago for polishing out faint scratches in car windscreens.... Link to comment Share on other sites More sharing options...
Eaglebarret Posted June 16, 2007 Share Posted June 16, 2007 Will this work though inside the tank?? I have a few small scratches that are down the lower end of tank inside it, so if i were to do this when doing a water change would this work, or can i still do it with the tank full? Link to comment Share on other sites More sharing options...
Bruce Posted June 16, 2007 Share Posted June 16, 2007 Perhaps the toothpaste contains Hydrofluoric acid? This has the ability to dissolve glass. Bruce Link to comment Share on other sites More sharing options...
cyber_crimes Posted June 16, 2007 Share Posted June 16, 2007 Hydroflouric acid also sinks into the pores of the skin and eats away bone marrow It is just a slight abrasive (aided in removing plaque). If you can run your finger nail over the scratch and not feel it toothpaste will get it out BUT If you can feel it toothpaste wont do nada. Link to comment Share on other sites More sharing options...
fongyfong Posted June 17, 2007 Share Posted June 17, 2007 A place called "Display and Racking Systems" at Villawood. thanks for teh heads up gonna try it, i got an acrylic tank would it work on that? Link to comment Share on other sites More sharing options...
Dreamwater Posted June 17, 2007 Share Posted June 17, 2007 I think you meant to post that in andrew's new fish room thread fongyfong.... Link to comment Share on other sites More sharing options...
fongyfong Posted June 18, 2007 Share Posted June 18, 2007 I think you meant to post that in andrew's new fish room thread fongyfong.... haha no the post is right but for some reason it quoted andys fish room...LOL would the tooth paste work on acrylic tank Link to comment Share on other sites More sharing options...
Dreamwater Posted June 18, 2007 Share Posted June 18, 2007 Im not sure on that....it actually could have the opposite effect on acrylic, I would try it on a scrap piece, or on area that cant be seen...then give it a few days, even if it looks ok to begin with... Link to comment Share on other sites More sharing options...
CThompson Posted June 18, 2007 Share Posted June 18, 2007 Perhaps the toothpaste contains Hydrofluoric acid? This has the ability to dissolve glass. Bruce Hydrofluoric acid is a killer. If they have it in toothpaste, I an’t doing my teeth again . This is seriously nasty stuff; it will not be in toothpaste. If my memory serves me correctly it penetrates the skin and makes its way to your bones. All you will feel will be a slight itching on your skin perhaps some hours later, but it can kill you dependant on how much gets on you. Even a drop on you will need urgent medical attention. It is my understanding that it is the slight abrasive in the toothpaste that allows it to fix glass. Bearing in mind toothpaste is a soap, you would not want to get that in the fish tank water itself. Can you do the job while the water level is lower during a water change and not get it into the water? I have never tried it out before so it is nice to know that it works serkan. Link to comment Share on other sites More sharing options...
cyber_crimes Posted June 18, 2007 Share Posted June 18, 2007 I work in a chemical company and HF is 1 of the most deadly chemicals we work with. We sell 35% and 75% It is used as a cleaning product but its main objective is in glass etching. We had a sales rep at work take a sample home in order to deliver it to a new customer the following morning on the way to work. There was a slight leak in the container that we had over looked & the fumes had permantly clouded his windows and the small spillage ruined his interior. Needless to say the boss says it is is longer allowed to be moved unless carried by a hazardous/dangerous goods licenced transporter. haha! The ingredient in toothpastes that makes it abrasive is silica which is sand & quartz. There is other ingredients used such as calcium phosphate, glycerine, tetrasodium pyrophosphate. several glycol products etc but is all dependant on the brand used. ETA: My original post was discussing toothpaste as a slight abrasive, not Hydrofluoric acid. HF is a liquid and there is nothing abrasive about it, and not something I would brush my teeth or use on my tanks Craig is 100% correct, if we have 1 drop emitting from a loose bung hole on the plastic mowser containing HF we are asked to evacuate the class 8 store, and 1 storeman will suit up and pour soda ash on the spill to absorb it. It gets annoying though as often there is dew on the mowsers due to the fans in the store etc. We don't know if it's water or product so we have to test with the soda ash (if product it bubbles when mixed with the soda ash) Link to comment Share on other sites More sharing options...
CThompson Posted June 20, 2007 Share Posted June 20, 2007 I work in a chemical company and HF is 1 of the most deadly chemicals we work with. We sell 35% and 75% It is used as a cleaning product but its main objective is in glass etching. We had a sales rep at work take a sample home in order to deliver it to a new customer the following morning on the way to work. There was a slight leak in the container that we had over looked & the fumes had permantly clouded his windows and the small spillage ruined his interior. Needless to say the boss says it is is longer allowed to be moved unless carried by a hazardous/dangerous goods licenced transporter. haha! Was the sales rep okay. If there were enough fumes to cloud his car windows, he may have been breathing it in on his way home? Used as a cleaning product? I assume for specialised lab type cleaning? I can just imagine a cleaner chucking a few capfulls into a mop bucket to do a quick job on a floor Link to comment Share on other sites More sharing options...
cyber_crimes Posted June 21, 2007 Share Posted June 21, 2007 It is used as a metal cleaner & rust remover as well as being used in the laundry by dry cleaners to remove stubborn stains. Would be watered down alot though I would imagine... Link to comment Share on other sites More sharing options...
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