best limescale remover for toilets

Best Limescale Remover- Review & Buying Guide

Many people encounter limescale build-ups in their kitchens and bathrooms from time to time. Limescale is an accumulation mainly brought due to soap degradation and can result in bacterial residues. Limescale can lead to appliance malfunctioning if it forms around the fuse, fan, circuit, or somewhere essential to your appliances. When it forms on the floors, it makes the surfaces look dirty and old despite spending a lot of time to cleaning them. It can also cause clogging in your home’s plumbing.

Your main objective is to get rid of the limescale that is interfering with your appliance. Therefore, when selecting the best limescale remover, it is essential to read the instructions and see if the remover must be used frequently or just once. However, many limescale removers are designed to eliminate the limescale instantly.

It is essential to know that some limescale removers consist of harmful components that might affect your pets and kids.  If you want a limescale remover for your toilet, choose the remover that is safe for the septic tank. This article will help you identify the best limescale remover to make informed decisions.

Our Favorite Limescale Remover

10 Best Limescale Remover Review

There are so many types of limescale removers on the market from different manufacturers. The following are the best limescale removers on the market:

1. CLR PRO Calcium, Lime, and Rust Remover

CLR PRO Calcium, Lime and Rust Remover, 1 Gallon Bottle (Packaging May Vary)

It is a non-toxic, multipurpose cleaner. CLR PRO Calcium, Lime, and Rust Remover come in one gallon at a fair price. This makes it ideal if you have an enormous clean-up job; it will get the entire job done without any hassle. You can use it to clean office or home surfaces, countertops, tiles, tubs, sinks, showers, toilet bowls, faucets, fixtures, stainless steel, and fiberglass.

Apart from household uses, the versatile formula allows the remover to dissolve fast to eliminate calcium, hard water deposits, discoloration, soap scum, lime, and rusts on vehicles, RVs, and boats. You can also use it to clean your toilet as it is septic-safe and does not have phosphates. The powerful formula makes the product ideal for cleaning coffee pots, dishwashers, humidifiers, showerheads, HVAC, washing machines, precast concrete, exterior windows, stucco, landscaping equipment, sprinkler systems, and pipes and plumbing.

Key Features:

  • It acts quickly and efficiency
  • Non-toxic and multipurpose
  • EPA-Certified
  • Lightweight
  • Ideal for both home and office surfaces


  • Great for removing rust from tools, siding, and automobiles
  • It is ideal for cleaning surfaces such as baths, stainless steel, tiles, fixtures, and toilets
  • It also removes calcium, lime, and hard water deposits quickly and easily
  • EPA-Certified remover


  • It contains a strong odor
  • It leaves spots on the glass
  • You need to scrub after applying it.

2. Lime OUT Heavy-Duty Rust, Lime & Calcium Stain Remover

Lime OUT Heavy-Duty Rust, Lime & Calcium Stain Remover, Multi Purpose Cleaner, 24 Ounce,

It is a multipurpose and heavy-duty limescale remover. It especially dissolves rust stains, calcium deposits, limescale build-ups, hard water deposits, and other tough stains. The thick and fast-acting formula is ideal for applying on vertical surfaces. The limescale remover is safe for various outdoor and indoor applications and is septic safe.

You can use this liquid solution in the laundry room, kitchen, toilet, and bathroom. Lime OUT will leave your sinks, showers, tiles, tubes, pots, chrome, pans, fiberglass, faucets, tubs, tea kettles, and stainless steel, and other exterior surfaces clean and shining without necessarily scrubbing.

Key Features:

  • Heavy-duty formula
  • Made in the USA
  • Septic safe
  • Thick, robust, and fast-acting remover


  • Dissolves the most challenging lime, calcium, and mineral deposits quickly
  • Multipurpose
  • It has the maximum cleaning power
  • Great for both interior and exterior surfaces
  • Require no scrubbing


  • It has a strong odor.

3. Simple Green 50128 Lime Scale Remover

Simple Green 50128 Lime Scale Remover, Wintergreen, 1 gal, Bottle

Are you looking for a limescale remover to eliminate tough and hard limescale build-up? Search no more. Simple Green 50128 Lime Scale Remover is an ideal choice for you. The organic salt formula helps dissolve hard water stains, limescale, lime, calcium, oxidation, soap scum, and mineral deposits. Using the product regularly will help prevent mineral build-up.

The fume-free formula helps to deodorize while cleaning, leaving behind a pleasant wintergreen scent. It ensures your toilet, bathroom, and kitchen does not have any unpleasant odor. Simple Green 50128 Lime Scale Remover features a non-abrasive formula that provides no discoloration, damage, or etches of sensitive surfaces like the case of other harsh descales. The formula also does not strip protective finishes. You can apply this limescale remover on various materials such as plastic, ceramic, stainless steel, fiberglass, tile, and porcelain.

Key Features:

  • It is a fume-free formula
  • Non-abrasive formula
  • Prevents mineral build-up
  • It has an organic salt formula


  • Nice smell
  • It does not cause discoloration or damaging sensitive surfaces
  • It does don’t stripe protective finishes
  • Safe to use
  • It is perfect for stainless steel, plastic, tiles, ceramic, fiberglass, and porcelain.


  • Does not remove heavy lime deposits

4. Lime-A-Way Liquid Toilet Bowl Cleaner

Lime-A-Way Lime, Calcium & Rust Cleaner 28 oz (Pack of 3)

Lime-A-Way Liquid Toilet Bowl Cleaner will help you eliminate soap scum and limescale build-up in the fastest way possible. You can use it to clean non-porous surfaces such as bathroom tiles, toilet surfaces, sinks, and glass shower doors without necessary scrubbing.

Lime-A-Way Liquid Toilet Bowl Cleaner comes in a pack of 4 with each bottle containing 16 ounces. The manufacturer says that it only takes one minute for the product to start working. The thick gel formula removes the toughest stains such as rust, calcium, lime, hard water deposits, and soap scum. Apart from giving you a fast and quicker clean, the cleaner leaves your toilet with a refreshing aroma. However, it is essential to note that the product is not ideal for kitchen cleaning or appliances such as dishwashers.

Key Features:

  • Removes heavy lime build-up
  • Come in a pack of 4
  • Thick gel formula


  • Removes toughest stains like rust, calcium, and hard water deposits
  • Ideal for non-porous surfaces such as toilet surfaces, sinks, bathroom tiles, glass showers, among others.
  • It gives fast and quicker clean
  • Nice smell


  • Not ideal on colored materials
  • Not recommended for kitchen appliances, including dishwasher

5. Zilla Reptile Terrarium Aquatic Cleaner Limescale Remover

Zilla Reptile Terrarium Aquatic Cleaner Limescale Remover, 8-Ounce

Do you want your bathroom and toilet to get their sparkling back? Search no more. Zilla Reptile Terrarium Aquatic Cleaner Limescale Remover is what you need. You will get this product at an affordable rate, and delivery will be made immediately after placing your order. This limescale remover is non-toxic; hence you don’t need to worry as it does not contain harmful chemicals. It gives you a solution to hard water stains, limescale deposits, soap scum, rust, calcium, and lime.

Zilla Reptile Terrarium Aquatic Cleaner Limescale Remover is easy and quick to use, and you can use it as a soak for filter components and décor. Furthermore, it dissolves quickly and is suitable for cleaning various surfaces such as ceramic, tiles, fiberglass, porcelain, plastic, and stainless steel.

Key Features:

  • Deodorizes
  • 100% safe for use with pets
  • Repels dust
  • Deliver brilliant shine


  • Easy and quick to use
  • It doesn’t contain harmful chemicals
  • Effectively dissolves limescale deposits on surfaces.
  • Also used as a soak to filter components and décor


  • Strong odor

6. CLR PRO CL4PROEA Calcium, Lime, and Rust Remover

CLR PRO CL4PROEA Calcium, Lime and Rust Remover, 28 oz Bottle

It is one of the powerful limescale removers on the market. CLR PRO CL4PROEA Calcium helps you eliminate the toughest rust stains, copper oxide, limescale deposits, soap scum, yellow stains, and other tough stains that other removers cannot eliminate. Therefore, whenever it gets difficult to remove hard surface stains, CLR PRO CL4PROEA Calcium, Lime, and Rust Remover will perfectly do the job.

The limescale remover blasts deposits from fiberglass, sink, glassware, stainless steel, tile, glass, tubs, coffeepots, toilets, humidifiers, and teapots. It also zaps rust stains from brick, metal, chrome, stucco, and porcelain. The descaling formula has no bleach, alcohol, phosphates, and ammonia; hence it does not discolor your appliances or surfaces. CLR PRO CL4PROEA is safe on all plumbing like copper and plastic PVC.

Key features:

  • Versatile remover
  • Biodegradable
  • Septic safe
  • Non-toxic


  • Dissolves even the toughest lime, calcium, and rust build-up
  • Safe on all plumbing materials
  • Zaps rust stains
  • Ideal for appliances such as humidifiers, sinks, coffee pots, and tubs


  • It does not remove all the rust stains

7. Lysol Toilet Bowl Cleaner with Lime and Rust Remover

Lysol Toilet Bowl Cleaner with Lime and Rust Remover, 24 Fl Oz (Pack of 4)

The limescale remover comes in a pack of 4, with each bottle having 24 ounces. Your toilet will never be the same again after using Lysol Toilet Bowl Cleaner with Lime and Rust Remover. The bottle is easy to use as it does not need direct contact with the bowl or cleaner. You need to squeeze to let out a small amount of cleaner and then move around the bowl to coat all areas.

It is specially designed and formulated to eliminate hard water stains in your toilet and leave it shining. The manufacturer claims that the Lysol Toilet Bowl Cleaner works fasts and effectively. This will reduce your cleaning time. The thick formula coats the bowl and kills 99.9% of viruses and bacteria for thorough disinfection. It is safe for septic tanks and plumbing and disinfects and cleans the water line’s top and bottom.

Key features:

  • Septic safe
  • It both cleans and disinfects
  • Thick formula
  • It comes in a pack of 4


  • Has great dissolving power
  • Removes hard water toilet stains
  • It works fast and effective
  • Cleans in less time


  • Not designed for various surfaces

8. Pumice Stone Toilet Bowl Cleaner with Extra Long Handle

[2 Pack] Pumice Stone Toilet Bowl Cleaner with Extra Long Handle - Limescale Remover - Pumice Toilet Brush - Also Cleans BBQ Grills, Tiles, Tile Grout, & Swimming Pools by Impresa

Is your toilet bowl having calcium deposits, limescale build-ups, and hard water deposits? Worry no more. The solution is easy to apply and comes in two packs. Pumice Stone Toilet Bowl Cleaner will help you eliminate these annoying deposits. Keep away from those unpleasant build-ups and get to those hard-to-reach areas with the extra-long handle. Despite Pumice Stone being tough on stains, it does not leave any scratches on the porcelain. It ensures it restores your bathroom and toilet’s shininess.

Apart from cleaning the toilet and bathroom, the product is suitable for cleaning baked-in grime and rust from BBQ grill pans. Also, use this solution to eliminate all unwanted build-up from your swimming pool tiles without any additional cleaning agents. Bring back the shining of your kitchen sinks, bathtubs, tiles grout, and bathroom tiles. Pumice Stone Toilet Bowl Cleaner is naturally friendly since it is non-toxic and odorless.

Key features:

  • It comes with extra-long handles scrubbers
  • Naturally friendly
  • Simple to use
  • Natural abrasive power


  • It makes the toilet shine
  • Ideal for removing the toughest hard water stains, limescale, and calcium deposit
  • Ultimate cleaning
  • Non-toxic and odorless


  • It takes time to dissolve the deposits

9. Viakal Limescale Remover Spray – (500ml)

Viakal Limescale Remover Spray - (500ml)

Many people get discouraged from using limescale removers since they don’t like the applying processes used. If you fall in this category, Viakal Limescale Remover Spray is an ideal choice for you. What you need to do is just spraying the areas you want to remove stains. The spray is not much concentrated compared to other limescale removers. Viakal is sold at a friendly price, and you can use it for your daily cleaning.  It dissolves fast as it only takes less than a minute to eliminate the limescale after spraying. Using this product does not require any scrubbing; hence you can spare your energy.

Viakal Limescale Remover Spray will help you eliminate hard water deposits, limescale build-ups, calcium deposits, and other tough stains. It offers a long-lasting shine, and it is a powerful descaler for tough limescale. You can use it to clean different surfaces that are mostly exposed to water, like the kitchen and bathroom. The limescale remover is also used to clean ceramic, tiles, fiberglass, porcelain, plastic, and stainless steel.

Key Features:

  • Thick, concentrated formula
  • High dissolving power
  • Ideal for water exposed surfaces


  • Removes hard water deposit
  • No scrubbing required
  • Less time to clean the stains
  • Offer long-lasting shine
  • Perfect for cleaning different surfaces such as tiles, plastic, ceramic, porcelain, stainless steel, and tiles


  • A bit pricey

10. Astonish Toilet Bowl Cleaner Removes Limescale

Astonish Toilet Bowl Cleaner 10 Tablets

Do you want to keep your toilet fresh and sparkling clean? Search no more.  Astonish Toilet Bowl Cleaner Removes Limescale Remover is the product you are looking for. It will help you to keep your toilet clean and free from any odor. It will ensure you impress your visitors and members of your family. The limescale remover comes in tabs form and is easy to use.

Astonish Toilet Bowl Cleaner Removes Limescale Remover thoroughly works to eliminate tough stains under the toilet’s waterline and into the u-bend. The product uses fast-acting foaming action to remove stains such as hard water deposits, soap scum, calcium deposits, limescale deposits, and rust from metals, stainless steel, boats, vehicles, and RVs.

Key Features:

  • It comes in a pack of 10 tablets
  • Fast-acting foaming action
  • It gives your toilet a fresh smell


  • Easy to use
  • No need for scrubbing
  • Affordable
  • Removes limescale
  • Works into the u-bend


  • It does not work effectively

Buying Guide of Best Limescale Removers

limescale remover toilet

It is necessary to know the factors to consider when searching for the best limescale remover to apply on various surfaces, including toilets, kitchen bathrooms, and sinks. These are some of the essential factors:

Cleaning process

There are varieties of limescale cleaners with different cleaning methods, which determines the amount of effort required.  Some removers in the form of gel or liquid require a scrubber to clean the surface. Others are in the form of tablets which require you to drop on the surface, such as the toilet to dissolve.

Ingredients included

It is essential to know the ingredients included in the limescale remover since they are harsh, like bleach which damages materials such as plastic. You need to choose a remover that is less harsh or natural friendly to even pets.


You should consider a limescale remover whose effect will last long. You can prefer a bleach-based capsule that lasts longer compared to gel or liquid foam.


You should consider eco-friendly cleaners with no harsh chemicals. They may not be effective immediately but work with time.


Some pigments in the limescale removers might be a problem, especially to white surfaces. They may change the toilet color due to these pigments.  Purchase a remover with a common bleacher like chlorine that does not color or brighten the white surfaces.


Some limescale removers don’t have a smell, while others have a pleasant scent that gives the place a fresh smell. But some odors are strong, making them unpleasant. If you don’t like removers with strong fragrances, then choose one with no scent.


Calcium deposits, limescale build-ups, rust stains, and soap scum are annoying and stressful to deal with. But you need not worry. The above limescale removers will help you get rid of these tough stains. They come in various types, some liquid form while others in powder form. Most of them dissolve fast to remove the deposits, while others do not even need scrubbing.

When you want to purchase a limescale remover, consider if it is safe for where you want to apply it. If you’re going to use the product on plastic, fiberglass, chrome, stainless steel, or ceramic, ensure it is safe to use on that particular material. Also, you should the descaler type, is it liquid, spray, or powder. In most cases, if you want to remove limescale from taps or showerheads, liquid spray limescale removers are the best.

It is essential to note that the majority of limescale removers consist of concentrated acid. Therefore, handle them as instructed. Protect any part of your body, more so the hands and eyes.