Hosa D5S-6 CAIG DeoxIT 5% Spray Contact Cleaner, 5 oz.

The Hosa D5S-6 CAIG DeoxIT 5% Spray is a game-changer for cleaning electrical contacts! It effectively removes oxidation, improves conductivity, and prevents future corrosion. The spray nozzle ensures precise application, and the 5 oz. size offers great value. Works perfectly on audio gear, guitar pedals, and more. Fast-drying, non-residue, and reliable—this is a must-have for any technician or musician. Highly recommended for restoring and maintaining electronics!

DeoxIT D5 is great for cleaning scratchy knobs and switches on lots of gear. It also lightly lubricates the part. The nozzle lets you twist between three spray volumes, which makes it easy to control how much you use. The spray is easy to control with the straw, and a little goes a long way. It costs more than generic cleaners, but it works every time without damaging plastics.Pros:Fixes noisy pots/switches fastEasy to applyReliable, safe formulaCons:More expensive than generic optionsWorth the price for a product that works as advertised.

Have used professionally for over 40 years.Nothing comes close.And I've tried a LOT of what's available on the market, over those years.Again...nothing comes even colse to how effective this product is!Its comparitively expensive, but... an application results in improved performance FAAAAR longer than competing products. Works great on older, analog volume controls; and the contacts of any connector.Have never seen the chemical(s) in the product damage anything - contacts, housing, PC boards, etc., etc.Smells like the 'flocking' sometimes applied to Christmas trees for retail sale to the public.Was originally only available as a teeny bottle of (rather expensive) liquid.HIGHLY Recommend!!

I've used one form or another of this product since the mid '70s and it's fantastic.I'd found out about it from a magazine back then called Audio Amateur and at that time, the similar product was called Cramolin. As with DeoxIT, it came in a red and a blue variety. The blue is/was a preservative for newly manufactured contacts and the red is/was a cleaner and preservative. Theoretically, the blue may provide longer/better protection while the red is better for cleaning and restoring contacts which are already oxidized.You can clean contacts with the red, then remove it, then treat with the blue to get the best protection of already oxidized contacts, but in practice, the red alone works so well that it's extremely effective to simply clean and treat the contacts in one step using only the red. As a result, I use about one can of blue for every ten or more cans of the red. For most uses, most folks only need the red (D) variety. I don't want that to make it sound like I go through cans and cans of the stuff, but since I work in the electronics field, I do use a lot more than most people.As has been mentioned in several other reviews, you need very little of it to do most jobs. A single can will last a very long time even for someone who is constantly working on a lot of equipment.After finding out how well it worked on audio connections and potentiometers, I introduced the folks at the electronics company where I worked to it. All of the technicians and engineers were amazed and it soon became a staple. We designed, manufactured, installed, and serviced various telemetry and process control equipment. A lot of this gear as well as equipment made by others that we were called upon to service was in areas with corrosive atmospheres like oilfield, refinery, water/wastewater treatment, laboratory, and other locations where hydrogen sulfide, chlorine, hydrochloric acid fumes, etc., are present, leading to lots of contact-related problems.It's been extremely effective over these many years, and although the name and formula has changed since the "Cramolin" days, the new stuff seems to still be very good.I've also used it on very high voltage connectors and one of the amazing properties of it is that while it improves contact integrity and lowers contact resistance dramatically, it does not break down and cause leakage or flashover when used on high voltage systems. I've used it for years on photomultiplier tube and Geiger tube devices (radiation survey and monitoring equipment), and never had any problems with it. These systems usually operate with bias voltages between 900 and 1500 Volts, but sometimes run up to 2500V.A fantastic example of how it works was something we did many years ago where we had a batch of very old thermal self-resetting circuit breaker devices in a system. The problem was that they had silver contacts. Silver itself is the best conductor of all elements, but it is very reactive and oxidizes (tarnishes) very easily. These devices were sealed and "non-repairable". But their contact resistance was unacceptably high.I mixed a solution of Cramolin Red and a solvent (probably Freon TF back in those days), put it in a glass jar, and simply dropped these breakers into it and kept them submerged until the bubbles stopped coming out to make sure they were totally flooded with the solution. We then took them out, letting the fluid run back out of them, and then rapped them on a desk a dozen times or so to make the contacts inside "jiggle" a bit. That was enough to let the Cramolin work its way between the closed contacts.Measuring a number of these breakers before and after the treatment, the resistances started out between 100 and 200 milliohms. After treating them, the typical resistance went down to around 6 milliohms! The high current and low voltage these devices needed to carry meant that the voltage drops across them had been unacceptably high, but post-treatment, they operated beautifully. And stayed that way for years.Various other contacts which would heat up and cause other problems prior to treatment operated cool and with extremely low voltage drops after treatment.I've personally "repaired" countless potentiometers, switches, and various connectors over the years with this stuff.We call it "Technician in a Can", and it lives up to that name. I pre-treat a LOT of contacts prior to crimping them onto their wires, and it lowers the mating forces and improves the reliability of virtually any connector.It truly is special stuff. It's indispensable for technicians, manufacturers, audiophiles, etc. If I had a 55 gallon drum of it, I could take entire pre-amps and other audio gear and dunk it to fix all of the bad switch contacts and pots in one quick operation. :)The only thing that's a minor issue is that as with any contact cleaner that has (or is nothing but) a solvent, it will flush away the viscous goo that's often used to make a potentiometer have a "silky" feel to it when rotating. So when you're treating a pot, it's best to try not to allow any to get to the shaft/bushing part of the pot if you want to preserve the grease that's in that annulus.But it often totally fixes a "scratchy" pot by simply getting it on the resistive pad and then running the pot back and forth a dozen times or so.As with so many things, for some reason, manufacturers just love to make pot wipers with silver plating. Bad idea! But all too common. Once that wiper tarnishes, the pot will sound awful since silver oxide is an insulator. The DeoxIT usually allows that oxide layer to be removed by simply rotating the pot a dozen times or so, and then it coats the wiper and the resistive element, preventing future problems and leaving the pot working/sounding excellent.Anyhow, all I can say is that this product has served me extremely well for nearly 40 years, and I highly recommend it.

This contact cleaner is truly remarkable! It works wonders by swiftly enhancing connectivity in scratchy pots, switches, and jacks. The 5% DeoxIT solution is both potent and gentle, while the spray applicator ensures precise application. A necessary tool for maintaining audio equipment, guitars, and electronics. It's dependable, long-lasting, and definitely worth the investment. I first learned about it from a magazine called Audio Amateur, where a similar product named Cramolin was featured. Like DeoxIT, Cramolin also had red and blue variations. The blue was designed as a preservative for new contacts, while the red served as a cleaner and preservative for oxidized contacts. Theoretically, the blue may offer superior long-term protection, whereas the red excels at cleaning and restoring already oxidized contacts. Highly recommended for maintenance and repairs!

I recently tried the Hosa D5S-6 CAIG DeoxIT 5% Spray Contact Cleaner, and I must say it exceeded my expectations. This product is a game-changer when it comes to cleaning electronics. I love how easy it is to use with its spray nozzle, making it convenient to reach tight spaces. The 5% solution works wonders in removing dirt and grime, leaving my devices looking and functioning like new. I highly recommend this cleaner to anyone looking to maintain their electronics. The 5 oz. size is also perfect for multiple uses without taking up too much space. Overall, an amazing product that I will continue to use and recommend to others.

Deoxit D100 cleaned my volume pots on my 1970's Sansui receiver. This stuff works perfectly. No more scratchy sound when adjusting volume. I highly recommend this product when a 100% concentration of Deoxit is required.

Works great! Just as it says on can. I usebitnon everything.