Buy the 3cc tube for a single install, like a set of cleats, a few rail fittings, or one piece of deck hardware. Buy the 16oz tub if you rig boats for a living, work in a yard, or do corrosion prevention on stainless and aluminum every week. The tube keeps a one time job cheap. The tub keeps a busy shop from ever running out.
Nobody likes stopping a job to reorder a $30 tube. Nobody likes paying for a tub that sits on the shelf, either. At Jupiter Boat Supply, we'd rather help you buy the right size the first time. If you're not sure which one fits your work, ask our team at (561) 320-3522.
When is the 3cc tube enough for a single install?
The tube is enough when you're bedding a handful of fasteners on one job. A thin coat on the threads and under the head is all Tef-Gel needs, so a little goes a long way.
Tef-Gel is a PTFE based compound built to stop galling, seizing, and galvanic corrosion where stainless fasteners meet aluminum. Think stainless screws into an aluminum mast, T-top, tower, or outboard bracket. The fix is a light film that fills the threads and isolates the two metals. You're not packing the hole. A single cleat, a pair of rod holders, or a new antenna mount barely dents a 3cc tube.
That's why the Tef-Gel TG-.25 3cc tube is the right call for owners and for techs doing a one off repair. It fits in a pocket or a toolbag, it's clean to apply, and at $30 it doesn't tie up money on the shelf. For a small job, it's plenty of corrosion prevention for the money.
Why does the 16oz tub earn its cost for yards and repeat work?
Because a busy shop goes through tubes fast, and each one is a small, expensive container. The tub gives you many tubes' worth of product in one container, so the cost per job drops.
Riggers, boatyards, and service departments use Tef-Gel on almost every stainless into aluminum fastener, plus hinges, slides, bearings, battery terminals, and plumbing threads. On a tower install or a full hardware refit, you can be bedding dozens of fasteners in a day. Working from tubes, you'll finish one before lunch and be hunting for the next.
The Tef-Gel TG-16 16oz tub solves that. Scoop what you need with a clean acid brush or a gloved finger and put the lid back on. It also means the whole shop uses the same product, so every fastener gets the same protection whoever turned the wrench. If three or four techs are all reaching for Tef-Gel every week, the tub pays for itself quickly.
How much coverage should you expect per fastener for corrosion prevention?
Very little per fastener. A thin, even film on the threads, under the head, and under any washer is the target. Anything more just squeezes out and gets wiped away.
Small fasteners like #10 screws need only a smear. Larger bolts through a bracket need enough to coat the full thread length and the bearing surfaces. For fasteners going through a thick aluminum section, coat the shank where it passes through the hole, not just the threads. Wipe excess off the finished surface so it doesn't collect dirt. On heavily loaded stainless to aluminum joints, use it on both sides of any isolating washer or bushing too. Tef-Gel works alongside isolators, not in place of them.
It's easy to overbuy. A customer was about to buy a 16 ounce tub of Tef-Gel for just two small fittings. We steered him toward the tube and saved him from an expensive mistake. If your job fits in one afternoon, start with the tube.
How do shelf life and storage affect which size to buy?
Tef-Gel has a 10 year shelf life and contains no volatile solvents, so it won't dry out between jobs. Storage is mostly about keeping it clean.
Because it doesn't evaporate or wash away, even an infrequent user can keep a tube in the toolbox for years. The tub lasts just as long if you treat it right. Keep the lid sealed, never dip a dirty brush or glove into it, and store it out of direct sun in the shop. Contaminated product with grit in it can scratch threads and defeat the purpose.
So the choice comes down to how often you use it, not how long it keeps. Occasional jobs, go with the tube. Weekly rigging work, go with the tub. Plenty of yards stock both: a tub on the bench for shop work, and a tube in each tech's bag for jobs at the dock. Write the date on the tub when you open it so you always know how old your stock is. If you want help sizing your order, call (561) 320-3522 or contact our team, and we'll get the right Tef-Gel on its way.
