DeoxIT D100L-25C Precision Needle Applicator, More Than A Contact Cleaner, 25 mL, Pack of 1

Works well!

This stuff really works! Not snake oil!

I apply this to a Q-tip and scrub my wafer switches. Much less mess than the spray can variant. And I use so little of it for any specific job that even though it looks like a small bottle, it should last me for decades.

Having an electronics repair and refurbish business this allows us to fix tons of things, saves us money on parts and basically prints money for us. A few drops and an acid brush and your USB mini connections are clean. you always wonder why your cables stop working, corrosion and oxidation is why. Looking at most cables/connecters under the microscope you find theyre covered in black or green crud. This washes it away almost instantly. Instead of replacing connectors that have no physical damage often times we can restore them to OEM levels of functionality. Always keep some with you and be the hero.

Im at least the second owner of a medium format film camera (Mamiya RZ Pro II). The film holders for this camera are contained in removeable backs, and there is a system of interchangeable lenses. The camera is battery powered, and there is a system of electrical interlocks that sense whether all systems are go or not, before you can push the button and have it do something other than beep at you. There are contacts between the film holder and the camera body that have to make good electrical connection, a mechanical linkage between the back and the body, and similarly with the lens. It is not unusual to see questions from new users of Mamiya RZs on-line, asking how to get around the cant wind it or just beeps at me when I push the go button impasse. I could see that some of the round-ish gold buttons that are the contacts on my holders, had worn down to be a little flat - probably the backs came out of a professional photography studio where they received heavy use, being rotated from portrait to landscape orientation many times (one of the strengths of the RZ system). I was having systematic problems winding the film to the next exposure, finding by experiment that rotating the back after each shot seemed to free the winder mechanism. Before I sent the camera in to a repair shop for analysis and a minimum $100 charge, I decided to try the DeOxit route first. The needle applicator let me put just a tiny drop on each of the contacts (I didnt want an oily mess spread around the inside workings of the camera), and I also used it to lube the tip of the metal drive rod that connects the film back to the camera body, in case that was part of the problem. I did the same for the lens contacts. Whatever it was, for the first time with this camera, I went through an entire roll of film smoothly, with no beeping, no film advance lockup (a sign of electrical or mechanical distress inside). So, Im happy to have found DeOxIT. Now I just need to find a way to take it with me without leaking when I take the camera out in the wild.

Love this stuff. Will cure just about any electrical connection problems with corrosion.

Deoxit works and hands down the best product in the business. Have been using this product for 10 years

Holly Toledo! This bottle is about a 300 year supply given that I only use on my camera gear a couple of times a year. Works great abd a huge improvement over the spray style they offer. I have gone through 2 cans of the spray stuff andwas lucky to get 3-4 uses before they ran out. With this liquid style bottle I just put a drop or two on a Q tip and clean the electrical contacts. It would be harder to use this style applicator on recessed contacts but for those easily reached it works well.

Works great on oxidation.Works very well on AC plugs.

Cleaned three 70+ year old automotive switches and now they are working perfect.