Does Water Wetter Actually Make a Difference?

I’ve been reading a lot about Water Wetter lately and wanted to see if anyone here has tried it. It’s marketed as a coolant additive that can help lower engine temperatures, but I’m curious about real-world experiences.

Here are a few questions I have:

  • How effective is it in actually lowering temps?
  • Does it work better with certain types of coolants compared to others?
  • Has anyone had any issues with it?

I own a modified car that tends to run hot sometimes, especially in stop-and-go traffic. I’m looking for any advice or experiences you can share. Any input on whether it’s worth trying out would be greatly appreciated!

Thanks in advance for your feedback!

A little more context:

I’ve heard mixed reviews—some swear by it and say it’s a game changer, while others claim they didn’t notice any difference. I’d love to get a consensus from the community here, especially from fellow car enthusiasts and mechanics.

In case it helps, I’ve got an aftermarket radiator and generally use a 50/50 mix of antifreeze. Just trying to figure out if adding Water Wetter would be a smart move or just a waste of money.

Looking forward to hearing your thoughts!

Cheers,
smithkimberly

I’ve been using Water Wetter for about a year in my racing setup, and I definitely noticed a drop in coolant temps. My engine runs smoother under stress, which is a huge bonus.

6 Likes

That’s great to hear, darryl56! I’ve only used it in my daily driver, but I’ve seen similar results. Cooler temps definitely make a difference in performance.

I’ve tried Water Wetter in my old Ford and wasn’t impressed. Didn’t see much change at all. Maybe I’m doing something wrong? Any tips?

Eileen, I’ve had mixed results too. Some cars benefit, while others don’t. What kind of coolant are you using?

In my motorcycle, I’ve noticed a significant temperature drop. Water Wetter really seems to work well with those high-rev engines. Super happy with my purchase!

That’s cool, richard37! I’ve been contemplating using it in my bike. Do you notice any difference in handling or acceleration?

I’ve had Water Wetter in my car for a few months. It’s hard to quantify, but I feel like the engine runs better overall. It’s worth a try!

3 Likes

Agreed, blakeallison! I’ve also found my car runs more reliably. It’s nice not worrying about overheating.

4 Likes

I’m curious to see if there’s any scientific backing to the claims made by Water Wetter. Anyone done any tests?

Great point, matthew23! I’d love to see some data too. It would really help those of us on the fence about trying it.

5 Likes

I tried Water Wetter once and felt like it was just another gimmick. I saw no difference at all. Anyone else think it’s overrated?

7 Likes

Contentious take, gregorydiaz! I’ve had good results, but I guess it depends on your vehicle and conditions.

I often joke that if Water Wetter had a personality, it’d be the overachiever of coolants. No real idea if it works better, but it totally feels that way!

LOL, love your take, regina77! Humor aside, it does have a solid reputation in the racing community.

I’ve read that Water Wetter can improve heat transfer due to its ability to reduce surface tension. It allows coolant to flow better over surfaces. Some studies suggest it can lower temperatures by a few degrees, which could be significant under high stress conditions.

That sounds interesting! I’ve always been skeptical about additives. Has anyone tested it in a controlled environment to really see the effects?

Regarding studies, I found one that indicated a small temperature drop in racing conditions with Water Wetter. The data seemed promising but it was a limited sample size. More extensive research would be great!

That’s a good point! Also, anecdotal evidence from users seems to vary quite a bit. Some swear by it, while others note little to no difference.

I’ve used Water Wetter for years and have seen a noticeable difference in my engine temps during hard drives. It’s been a game changer for my performance setup.

6 Likes