Best Lime & Rust Removers of 2025

"I was truly impressed with how well this product worked on my copper sink. After spraying it on and using a foam scrub sponge, my sink looks brand new!"

"I've spent countless hours scrubbing my shower walls with different products, but this spray really works! Sure, I had to scrub a bit, but it removed the soap scum, lime, and calcium. My shower walls are clean again. I highly recommend it!"

"I tried this product on my fiberglass shower and tub, which have been difficult to clean. It made the process so much easier—just spray, wait a couple of minutes, and wipe down with a microfiber cloth. I recommend rinsing the cloth often for the best results!"

"I have hard water and Lime-Away cuts right through tough stains."

"After trying everything, this product made my shower glass clear again. It had a pleasant smell and worked quickly!"

"I was hesitant after reading the instructions, but I’m glad I gave it a shot. It really does remove lime deposits effectively."

"I found this product to be incredibly effective on my Delta shower head and faucet. After soaking it for just 10 minutes, all the hard water buildup was gone, and it now sprays smoothly. I even applied it to all my restroom and kitchen faucets, and they look like they did when they were new. No odor or fumes at all!"

"This product completely eliminated tough calcium buildup in my shower after just a single use! I've noticed that we have less buildup since we started using it. I would definitely recommend it!"

"I tried this on an old knife, and it removed the rust so quickly! I'm impressed!"

"I have four toilets with serious streaks from hard water. After trying various chemicals, I decided to try Pro CLR. Initially, it seemed ineffective, but I discovered that letting it sit for hours really helps. I soaked it for 24 hours, and the buildup started to loosen. After some scrubbing with a pumice stone, my toilets look brand new! The key takeaway is to flush regularly to prevent hard water buildup."

"We have well water that is great but has a lot of lime. CLR works wonders for dissolving calcium buildup in our toilets. I usually pour a cup or two into the bowl and let it fizz. If it's been a while since the last treatment, I let it sit overnight, and a light brushing afterward removes any deposits with ease. Highly recommend for routine maintenance!"

"I had a blockage in my shower pipe that vinegar couldn't fix. After contacting CLR customer service, I learned to use ½ cup of CLR directly in the pipe. The first attempt didn't work, but by the third try, the blockage was completely cleared. It was an easy and fast solution that caused no damage. Very pleased with the results!"

"I've found this to be one of the best calcium and hard water stain removers. There’s no overwhelming chemical odor, and it effectively got the hard water stains off my glass door and shower walls. I will definitely buy again and recommend it to others. It worked well on the sink and toilet as well."

"This product is great for cleaning the toilet ring in bowls that don’t get flushed often. It’s also fantastic for removing soap scum from my shower curtain."

"Living in an area with hard water, I found this item to be very affordable for two bottles. It did a good job on lime and calcium buildup. I don't experience rust, but I'm confident it would handle that too. The spray bottle functioned well."

"I've used CLR for years, and the spray option is so much nicer than the old gray bottles. I did run into a minor issue with one of the tops, but I simply switched it out with another one. Overall, it’s a great deal!"

"I had rust stains in my shower that needed to go. I decided to try this product and I'm really glad I did. After spraying it directly on the stains and letting it sit for about 10 minutes, my shower looked nice and clean! Plus, it arrived quickly and was very economical."

"I've been battling hard water for a long time, trying multiple products, but this one worked insanely fast. The black area in the picture was covered in white hard water stains, and now it's completely gone!"

"I've been using this product for years, and it works exceptionally well at dissolving scale buildup on my faucet aerators and shower heads, along with iron stains on ceramic fixtures. Great product!"

"Living in SoCal with hard water, I noticed calcium, soap scum, and rust deposits in my shower. I found this Jelmar CLR in gallon size, and it has high ratings. After using it, I was amazed at how it quickly cleared up water spots and rust stains with very little effort. Highly recommended! I got it for $23.99, an awesome deal!"

"I order this every November to flush my fuel oil boiler heating system. It works like a charm and offers great value!"

"I had the unfortunate task of cleaning my toilet, and I’m amazed by the results from LimeOut. After using four bottles, I let it sit for 30 minutes, and the stains wiped off with hardly any scrubbing. However, I did experience a SEVERE rotten egg smell that lingered even with the windows open, so I recommend having a mask or nose plug handy."

"I've relied on LimeOut for years and was thrilled to find it in a four-pack on Amazon. The packaging was excellent, preventing any leaks! This product works wonders on mineral stains and buildup around my sinks and tubs. I always wear goggles and gloves for safety when applying it and typically let it sit for five minutes before scrubbing with NON-scratch sponges. It has truly made a difference!"

"This product is fantastic for hard water issues. It cleared up the funk in my drain, revived my shower walls, and effectively tackled soap scum and lime scale. I loved it so much that I ordered it again!"

"I live in a home with well water, which is full of calcium and minerals. It left a thick white buildup on the pour spouts in my primary bath. Nothing worked until I found this product. Just a tiny amount created visible foaming. After scrubbing a few times, the buildup floated right off. It even cleared the patina on my copper sinks, although that returned after a few days."

"As a plumber and maintenance director for assisted living facilities, I frequently deal with heavily calcified items. Winks Calcium and Lime Remover is the best product I’ve ever used for this issue. Its effectiveness easily surpasses similar products like CLR. A small amount does wonders, and I’m giving it a well-deserved 5-star rating. I highly recommend it, but be cautious not to get it on your skin."

"This product saved me from buying a new toilet! The calcium and lime stains were terrible, and I had tried everything to clean them, but nothing worked. After using this and letting it sit for an hour, the stains came off with very little effort. My toilet is shiny and white again! I just wish they offered it in gallon sizes for my business!"

"I was amazed at how well CLR PRO CL4PROEA tackled tough mineral build-up on my faucets and showerheads. Within minutes, hard water stains and rust marks vanished with minimal effort. Plus, the non-overpowering scent is a huge plus!"

"I use this product to clean our showerhead, which often gets clogged due to lime. After soaking it in the solution for about 15 to 20 minutes, I scrub it with a toothbrush, and it works perfectly again. This product is also fantastic for removing lime scale from fixtures!"

"I mainly purchased this remover to tackle the rust stains left by my metal dishwashing sponge holder on my white marble countertop. I mixed the solution stronger than instructed and let it sit for about 10 minutes. It worked wonders for rust removal!"