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STREAM 2 SEA Reef Safe Anti-Fog Spray is a 2 Fl Oz premium defogger designed for swim goggles, snorkel masks, scuba and ski goggles. Its reef-safe, nonabrasive formula ensures crystal-clear, fog-free vision for hours while protecting marine ecosystems. Easy to apply and compatible with all glass and plastic lenses, it’s the go-to choice for professionals and enthusiasts seeking reliable, eco-friendly lens clarity.







| ASIN | B082MQRFJV |
| ASIN | B0G67H8R6L |
| Age Range Description | All Ages |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #517 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Diving Mask Defoggers |
| Brand Name | STREAM 2 SEA |
| Closure Type | Flip Cap |
| Color | Clear |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,015) |
| Date First Available | December 10, 2025 |
| Eyewear Type | Eyewear Defogger |
| Fit to Size Sentiment | Neutral |
| Frame Material | Plastic |
| Frame Type | Rimless |
| Garment Size Country | United States |
| Goggles Ansi Dust Splash Rating | No Rating |
| Included Components | STREAM 2 SEA Mask Defog, Reef Friendly Defogger Coating Anti Fog Mask for Glasses, Snorkel Mask, Scuba Divers, Ski Goggles and Sports Glasses Equipment |
| Industry | Water Sports |
| Is Metal Detectable | No |
| Item Package Quantity | 1 |
| Item Type Name | STREAM 2 SEA Mask Defog, Reef Friendly Defogger Coating Anti Fog Mask for Glasses, Snorkel Mask, Scuba Divers, Ski Goggles and Sports Glasses Equipment |
| Item Weight | 2.1 Ounces |
| Lens Coating | Anti-Fog Coating |
| Lens Color | Clear |
| Lens Material | Glass |
| Manufacturer | STREAM 2 SEA |
| Material | Plastic |
| Model Name | Stream 2 Sea |
| Number of Items | 1 |
| Part Number | DEFOG3 |
| Pattern | Solid |
| Product Care Instructions | Store in a cool, dry place. Apply a small amount to the inside of lenses, rub in, rinse with water, and pour out excess before use. |
| Recommended Uses For Product | Skiing, Snorkeling, Swimming |
| Size | 2 Fl Oz |
| Special Features | Anti-Fog |
| Sport Type | Snorkeling |
| Style | Flip Cap |
| Style Number | STREAM 2 SEA |
| UPC | 851061006803 |
| Ultraviolet Light Protection | Yes |
| Unit Count | 1 Count |
| Warranty Description | 2 |
A**R
Great reef safe long lasting anti-fog spray that works great!
This stuff works! I used it in the Florida keys. I like that it is reef safe and nontoxic. It is super easy to apply and a little bit goes a long way, making it a good value. It lasts a good amount of time providing clear vision.
K**N
⭐️⭐️⭐️⭐️⭐ Clears Fast, Stays Clear — and Reef-Friendly, Too!
I’ve tried a lot of mask defoggers over the years, and this one truly stands out. The STREAM2SEA Mask Defog formula applies easily and dries within seconds, leaving no residue—just a crystal-clear mask ready for the water What I love most is how gentle it is—not just on my eyes, but also on the environment. It’s reef-friendly and non-toxic, so I feel good using it while snorkeling or diving in sensitive marine areas Functionally, it’s a winner. Many users report lasting clarity throughout their entire dive, and I’ve found the same. Once applied, it stays fog-free dive after dive—fantastic consistency Pros: • Dries cleanly and quickly for immediate clarity • A reef-safe, non-toxic formula—peace of mind included • Long-lasting anti-fog performance, dive after dive Bottom Line: Clear vision, eco-conscious ingredients, and reliable performance—STREAM2SEA Mask Defog earns a full five stars in my book. Highly recommend for any snorkeler or diver who cares about both clarity and coral reefs!
A**R
It is really fog free!
I don't have to buy expensive fog free goggles anymore. It works very efficiently.
J**N
This defogger is amazing!
I have been snorkeling (and some diving) for nearly 50 years, and have always had trouble with my mask fogging. It was irritating and frustrating as i cycled through many varieties of defogger. Stream2 Sea Reef Safe Defogger,is the first and only product that has worked for me. It is good to know that the company developed a reef safe formula. Kudos to them for that. I just returned from a snorkeling vacation, and the results were wonderful. NO fog at all. I highly recommend this product. Follow the instructions and use just a tiny bit. I hope that you will be as pleased with it as I was. Happy snorkeling!
P**S
Good Product
While most scuba operations provide mask defog, I like to bring this product with me on my dive trips. It works perfectly, can be diluted so that it isn't quite so gelatinous (and lasts longer) and is environmentally safe for marine life. Highly recommended!
C**R
Better than spit, but not by much.
For years I've used a small bottle filled with Soft Scrub and it always made for a perfectly clear mask with just a couple of drops and good rinse. I gave this a try after being guilted by a friend that there is a tiny it of bleach on soft scrub. This product did almost nothing unless I used huge amount and spent several minutes prepping lenses. I'll go back to a couple of drops of soft scrub thank you.
E**J
STREAM 2 SEA Defog -and- OMID swim goggles are GREAT together
On July 1, 2022 I purchased “2 oz. STREAM-2-SEA reef friendly Mask & Googles Defogger”,,, along with a pair of “OMID Comfortable Polarized Anti-Fog Swimming Goggles” (smoke, all black frame). I swim open water (quarry lake) 3-5 x’s per week during the warmer months, swimming non-stop for 60 to 120 minutes. I’d been using “Vanquisher 2.0” goggles the past several years but, despite correct adjustment, they would always begin digging into my eye sockets after an hour or so, and left me with a bad case of ‘raccoon eyes’. I decided to try out the OMID goggles, seeking greater comfort. The OMID goggles feature softer, larger eye cushions that are dramatically more comfortable. They truly do provide greatly-improved panoramic vision. The inner surface of the contoured plastic lenses have their own anti-fog coating, but such “factory coatings” are notoriously fragile and soon lose their effectiveness. I bought the 2 oz. Stream-2-Sea to help assure that the OMID goggles could remain fog-free as long as possible. Out of the box, I first gently washed the new OMID goggles with a minimal amount of Johnson’s Baby Shampoo (BS), --not their newer “Head to Toe” formulation. They are similar, but not the same. SEE MY PHOTO’s showing the slight differences in their published ingredients. A Word of Caution: When washing plastic-lens swim goggles, you always need to be as GENTLE as possible. A little particle of sand being rubbed across the lenses can scratch the heck out of them, permanently. OK,,, I rinsed my new pair in room-temperature tap water, then applied the smallest amount of BS, and used the slightest finger pressure possible, then rinsed them in the tap water. My tap water leaves ‘spots’ when it dries, so I do a final rinse with some distilled water for a spot-free finish. Once dry, I applied one drop of the Stream-2-Sea anti-fog gel to each inner lens and used my wet finger to GENTLY spread a thin, uniform coating. I then added a tiny amount of distilled water to each lens “cup” and swirled it a few seconds before pouring off the water. I allowed them to air-dry to a clear, streak-free coating, and then put them into my ‘swim bag’, ready for use. I swam 90 minutes in the 83F lake water that next morning. The goggles never leaked, and they never fogged up. The polarized, fog-free view was so much better than before. I finished my swim and I immediately put them into the OMID carry bag that came with the goggles, being careful to not touch the lenses (there’s no clean rinse water available at the lake). Once home, I washed my hands to remove any possible sand particles (which can scratch the plastic lenses) before rinsing the goggles thoroughly under tap water. Then I dabbed a tiny amount of BS onto each wet lens and used a modified* Q-tip to gently clean their fragile inner surfaces. (* I get a Q-tip and pull the cotton to stretch it longer, then use the stretched portion to gently go over the lens surface.) I then rinse the goggles with tap water, followed by a distilled water rinse. Before they dry, I use the Q-tip (or a tiny, soft-bristle artist brush) to paint a uniform coating of the Stream-2-Sea anti-fog gel onto the inner lenses. To smooth out this coating, I add some drops of distilled water to make a little ‘puddle’ in each lens cup. After a few seconds of swirling, I pour off the water and check to see that there are no remaining streaks of the Stream-2-Sea. If there are some streaks, I just rinse them with a few more drops of the distilled water and check them again. Once they are totally streak-free, I ‘stand up’ the goggles to let them air dry (similar to what you do with a washed dinner plate). I’ve now used my new OMID goggles 9 times, and they are still in like-new condition. Not a single scratch, and they never, ever fog. Over the past couple weeks, my swims have included few that were two hours long(in sunny, 90 degree Heat Wave conditions). My old “Vanquisher” goggles would begin fogging up in just a fraction of that time. The Stream-2-Sea anti-fog gel, in combination with the ‘factory’ anti-fog coating on the OMID goggles, has worked perfectly for me. And, the ‘soft-cushion’ design of the OMID googles has completely eliminated the eye-socket discomfort,,, and no more “raccoon eyes”. My goggle-washing procedure may seem very lengthy and tedious when you sit there and read about it, but it soon becomes routine, taking only 5 minutes. I can now enjoy swimming comfortably for HOURS with absolutely no fogging, and it’s keeping my $26 swim goggles looking brand new. The OMID comfort goggles -and- the STREAM2SEA anti-fog gel are an effective combination for any ‘distance swimmer’.
M**R
buy
works well. Just make sure it dries before you put it on. Usually they'll last a day or two at least before you need to reapply.
S**E
Funktioniert super, wenn man sich an die Anleitung hält. Muss nach paar Tagen wieder neu aufgetragen werden, was aber absolut nicht schlimm ist.
R**N
The product works well as described! Been diving with it and no more fog ! Highly recommend Thanks!
G**G
This worked really well - I found some really comfortable goggles, but unfortunately they began to fog after a few uses. I decided to give this a try, and was able to swim 80 lengths with no fog at all. Brilliant.
S**U
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M**I
ottimo prodotto lo consiglio
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