The 10 Best Water Calcium removers (2023 reviews)

We consider a water calcium remover to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Lime-A-Way Water Calcium Remover READ REVIEW

Best For Well Water: Buy: CLR Great Product READ REVIEW

Best For brick: Buy: CLR Water Calcium Remover READ REVIEW

Best For Hard Water Stain: Buy: Lime-A-Way Spray Cleaner READ REVIEW

Best For Iron: Buy: ring King Toilet ring Remover Water Calcium Remover READ REVIEW

Best For faucet: Buy: RMR brands Water Calcium Remover READ REVIEW

Best For Septic: Buy: Summit s Water Calcium Remover READ REVIEW

Best For Rust Stain: Buy: ring King Toilet ring Remover harmful muriatic acid READ REVIEW

Best For vinyl fence: Buy: Zep Water Calcium Remover READ REVIEW

Best For Calcium buildup: Buy: Flitz Water Calcium Remover READ REVIEW

Best Overall: Lime-A-Way Water Calcium Remover

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The lime-a-way water calcium remover is capable of outshining several other remover featured in this list in overall features. It cleans the toughest hard water build-up. It cleans the sink and around dirt pretty well. While the scent is not unpleasant, it is remarkably strong. It works for the glass petition for the walk in shower. This cleaner is great for tubs and tile. It is great for removing tough lime scale from sinks and fixtures, tubs and tile, shower and glass.

• Product works well with hard water stains
• Works very well in removing lime
• Best sprayed onto a dryer surface, for tough stains
• Easily removes the blue stain and rust deposits in toilets, sinks, and showers

Best For Well Water: CLR Great Product

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate remover. The clr great product is exactly that - it's a simple remover that hits all the right notes. It is designed for bathrooms or bathroom related surfaces. It features a powerful formula that quickly and easily dissolves and removes tough calcium and lime deposits as well as surface rust stains. It even gets rid of rust and hardened mineral build up. It can be used to remove efflorescence from pavers, depending on the materials of your pavers. It is used to clean rvs and boats. It works for those tough bathroom stains. It will even get rid of rust and hardened mineral build up. It is great for removing rust on tools, equipment, cars and siding.

• Cleared up all stains in toilet bowl
• Worked for a green (lime) toilet bowl
• Good brand reputation

Best For brick: CLR Water Calcium Remover

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The clr water calcium remover is capable of outshining several other remover featured in this list in overall features for the price point. It is always good to have clr in the house, especially if you use well water. This package gets you 2 42oz bottles, which are quite big and should last a long time under normal usage. It easily takes care of even the worst stains and a little goes a long way.

This will clean out the lines, jets and tub of the machine preventing mineral deposits from accumulating on your glasses, dishes and flatware in the future. It works for toilet rims as well. The bottles have child-proof caps for those with younger, curious housemates. It will save you so much time and headache.

• Works good with soak and elbow grease
• Smells strong so vent are well
• Constantly getting white stains, and calcium buildup from the water

Best For Hard Water Stain: Lime-A-Way Spray Cleaner

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We would, of course, be remiss if we didn't mention lime-a-way spray cleaner for daily usage. These are traditional bathroom cleaning supplies leaving unsightly soap scum on your glass shower doors, sink or tub. Unlike the leading all-purpose cleaner, lime-a-way is specially formulated for cleaning hard water stains, giving you the upper hand when cleaning the bathroom. It cleans and removes buildup and leaves the bathtub and toilet clean.

These are the ingredients found in lime-a-way that aid in the dissolving of limescale and calcium deposits and hard water mineral build-ups. It should be safe to use on acrylic and fiberglass surfaces. It comes in an easy-to-use spray bottle that makes it ideal for cleaning hard water stains in small or hard to reach areas. It is easy to use and very effective on lime deposits.

• Worked really well on shower glass and all metal parts
• Removes lime, calcium and rust stains caused by the natural minerals in your water
• Good investment for long term

Best For Iron: ring King Toilet ring Remover Water Calcium Remover

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Next on the list, we've got yet another remover that manages to win our hearts. It's the ring king toilet ring remover water calcium remover and it's widely considered as one of the best convenient remover you can buy. The Ring King toilet bowl cleaner works hard to eradicate calcium, lime, and rust deposits so you can keep all your surfaces clean. It can be used on a heavily hard water stained shower door. It is carefully formulated without harmful muriatic acid, hydrochloric acid, or chemical phosphates to ensure safe cleaning, and it is non-flammable.

There are hard water and rust stains in the bowl. This works very well on hard water rings but follow the directions and rinse 4 or more times after use so that the finish on your porcelain or fiberglass is not damaged. It is by far the easiest with the lowest level of effort. This is a must buy for everyone and their toilet cleaning needs. It's pretty powerful and quite effective.

• Works great on hard water ring and rust
• Worked very well for removing hard water ring in toilet
• Smells heavy & powerful when opened
• Apply directly to the stain for an effective, quick clean

Best For faucet: RMR brands Water Calcium Remover

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The rmr brands water calcium remover might be a relatively new release, but it's still nothing short of impressive this year. This soap scum remover is pretty decent. It comes in a simple spray and rinse formula that begins working instantly, cutting through buildup and grime to refresh and rejuvenate bath and shower surfaces for a dazzling, streak-free sheen. It has a little smell but not unpleasant. The instructions are to spray the surface, let it sit for 2-3 minutes (no scrubbing required), and rinse off thoroughly. The thicker/larger areas definitely require scrubbing, even letting the foam sit for a while.

The cleaner isn't amazing on the tub and fixtures, but it is noticeably more shiny, sparkly, sparkly, and sparkly. It's works great except that it does spray in globs instead of a heavy mist, like Kaboom. This soap scum remover is septic safe.

• Cleaning just the bottom of the glass doors
• For lighter, surface level scum, you can just spray and wipe without issue
• Cleaned glass show doors and windows easily

Best For Septic: Summit s Water Calcium Remover

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Best part: summit s water calcium remover costs comparatively low and it is available to ship in 24 hours. Lime OUT is a citric, hydrochloric and lactic acid based chemical that is specially designed to dissolve tough hard water and rust stains. Its main purpose is to dissolve lime and wash it away with the other stains that build up in the lime. It leaves a clean industrial smell. It can be used in the toilet tank by squirting a small amount into the tank. It has a nozzle at the top that you flip up and the liquid is blue and a slightly thicker water consistency.

The second method for use in the tank is to empty the tank of water, apply Lime OUT to the stains, scrub with a brush or sponge then flush. It can be used in the toilet tank by squirting a small amount into the tank., allowing to soak for a few minutes, scrubbing if necessary then flushing the toilet.

• Allow plenty of time for it to work on a stubborn stain
• Gets hard water stains and scale to go away like no other
• Works great at removing hard watter and calcium spots

Best For Rust Stain: ring King Toilet ring Remover harmful muriatic acid

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Best part: ring king toilet ring remover harmful muriatic acid costs comparatively low and it is available to ship in 24 hours. Naturetek’s Ring King Toilet Bowl Cleaner and Ring Remover provides industrial-strength cleaning for your toilets, bathtubs, showers, sinks, driveways, carpets, and more. It is best toilet cleaner for hard water. It cleans hard water stains from multiple surfaces. It is carefully formulated without harmful muriatic acid, hydrochloric acid, or chemical phosphates to ensure safe cleaning, and it is non-flammable.

The Ring King toilet bowl cleaner works hard to eradicate calcium, lime, and rust deposits so you can keep all your surfaces clean. It is used to have a dull shine through out. This product goes on easy water to wait 5 minutes and wipe the rings right off. It is easy to use and the toilet bowl looks brand new.

• Worked on porcelain sink stains too
• Super easy and worked like a charm
• Easy to use and 100% effective

Best For vinyl fence: Zep Water Calcium Remover

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Compared with other remover in this category, the zep water calcium remover has a convenient design. This stuff works Great,Fast And Easy, Pour it in with half warm water and give it 12 hours and it will Amaze You. It is by far the strongest most ecumenical formulation ever. It works well on getting rust off of a concrete floor. It is used for years and very impressed how well it removes lime and particulaly iron stains.

This stuff does the job with little to no effort. The concentrated tablet offers 3 benefits in. It will remove all the scale and make tile and fixture surfaces like new. It is very thin and doesn't adhere to the stains. It will not be effective on hard stains.

• Work on tough stains in a bathtub and toilet
• Good product and effective in removing calcium build up
• Amazing product to remove built up calcium and lime

Best For Calcium buildup: Flitz Water Calcium Remover

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Best part: flitz water calcium remover costs comparatively low and it is available to ship in 24 hours. This Flitz works amazing at removing the rust. It can be used indoors or outdoors. It is safe on glass, aluminum, painted surfaces, fiberglass, stucco, brick, porcelain, brass and copper.

• Instantly removes calcium, rust, lime, hard water spots, soap scum, corrosion and more
• Use on fiberglass, plexiglas, tile, stainless, glass, porcelain, painted surfaces and more
• Good brand reputation