Boat Bling Hot Sauce Premium Hard Water Spot Remover w/High-Gloss Wax Sealants, 32 oz.

I’m genuinely impressed with Boat Bling Hot Sauce Premium Hard Water Spot Remover. After trying multiple products over the years, this is one of the few that consistently delivers the results it promises. The moment it’s sprayed on, you can see it breaking down mineral deposits and water spots, making them wipe away with almost no effort. What stands out most is how clean and glossy the surface looks afterward. There’s no haze, no streaking, and no leftover film - just a smooth, polished finish. It works fast, it works reliably, and it keeps surfaces looking well-maintained with minimal time and effort. Another thing I appreciate is the pleasant smell, which is rare for a cleaner this strong. It makes the whole process far more enjoyable, especially when using it regularly. The quality of this product really shows. It saves time, reduces the need for heavy scrubbing, and keeps everything looking sharp and protected. Even though it’s priced slightly higher than some alternatives, the performance absolutely justifies it. If you want a hard water spot remover that actually does what it claims, this is the one to get. Truly a must-have for anyone who wants quick, effective results with a high-quality finish.

2nd purchase of this. Fantastic product. No comparison to CLR...works way better.

This is the best water spot removing product we've found in the UK.

With a car's many materials and surfaces, the old saying is still the truth: "The best cleaner around, is to motivate yourself never to let it get very dirty in the first place" THAT's the best cleaner! So, if you don't follow that motivation, the marks you allowed to stay on the surface the longest are the marks that take the longest to completely remove. NO product gentle enough to use on your gear will be powerful enough to erase long-term residue in one treatment. Not even this stuff, so let's get rid of that kind of hope and optimism. "Water Spots" is a wrong term we always use. It's not the water that stains your glass and paint at all--it's the minerals/salts/calcium that bind with dirt and form tiny circular crust on your surface. But be warned, "Hot Sauce" is the right term for this agent, because near your nose it's got a kick to it that reminds you of really spicy stuff your friends splash on their food for heat. Not foul smelling, but a "dragon pepper" vapor that will clean the sinuses of your unborn grandkids. So wash you hands thoroughly after using this stuff. The calcium spots on my car glass are anywhere from a month young to a wretched four years old. Mineral spots don't just form cute dots when they dry, they form vertical river-lines down your door glass, that you only notice when you windex your glass, and they leave an invisible "craze" pattern on the front windscreen that only appears in humid rain or when you're trying to defog the glass in winter time---it can endanger your driving. If you have these issues on your car glass, this is the true product to remove it, completely. But like some owners will never realize, the older you've left a stain on your car, the longer it will take to finally work that stain off. Hot Sauce quickly removes spots that are less than a month old--gone, baby, easy! You can use a paper towel to spread the juice all around the glass, but I strongly suggest a genuine microfiber towel to wipe it away afterward. You only have to wipe, no need to rub, which is good--this is laminated and plate glass for goodness sake--you don't want to be dragging scratches into it. After two minutes, you wipe with the micro-towel, and the glass is smooth like you used a clay bar on it. If water or rain hits afterward, it beads up so wildly you hardly need to use your wipers to see as you drive. Even Rain-X products don't bead this tiny and bright. It seems to work fastest and best on the door mirrors (they are just treated plate glass). Spray it on dry glass, and all spots wipe away after two minutes. It works almost as quickly and well on front/rear windscreens (remember, on a car these are laminated glass with a different skin than your door mirrors or boat owners' panels). I applied it when the windscreens were very wet, gently spread it around the glass, and let it sit for nearly 20 minutes. Wiping it off is where the microfiber towel becomes really great to use. Under a microscope calcium and mineral scum is like jagged coral. AS you gently wipe with a true microfiber cloth you'll feel it snagging on the water spots. Repeat the application over a couple of days, and the smoother the dragging becomes. Yes, it took repeated sessions--more and more of the two year old spots clearly are gone. The door windows are the most difficult--those river lines are hard to see on sunny days, so you can only tell from the super smooth feel of the glass that you working your way down to the native glass you had when you first bought the car. It's satisfying to see and feel the oldest of the spots finally start fading out, and I've only done five repeated applications. Undo four years of scum in just a few sessions of casual wiping on sporadic days. And NO elbow grease to risk scratching my precious glass. Zero elbow grease + patience + million beads when it rains = A+++ product.

Works amazing. Remove all the water spots right away and also leaves a nice skinny coat