The best dishwasher cleaner for hard water is a powder or liquid detergent that contains sodium carbonate or sodium tripolyphosphate. These chemicals dissolve the minerals that cause hard water stains and buildup on dishes and in the dishwasher.

You can find dishwasher detergents that are specifically labeled as hard water cleaners. However, you can also use a general-purpose detergent to clean your dishwasher provided it contains one of these mineral-dissolving ingredients. To use a powdered or liquid detergent as a dishwasher cleaner, simply add it to the dishwasher’s detergent dispenser in the same way you would normally add detergent to your dishes. Run the dishwasher on its highest cycle to ensure that the cleaning agent reaches

Best Dishwasher Cleaner for Hard water 2022

  • Best for Hard Water: XROM Dishwasher Pro Cleaner Tablets
  • Best for Limescale: Finish Dual Action Dishwasher Cleaner
  • OxiClean Dishwasher Cleaner & Degreaser Capsules
  • Phosphate Free: Cascade Complete Dishwasher Tabs
  • Mold Preventers: Lemi Shine Dishwasher Cleaner Capsules
  • Eco-Friendly: Ecover Dishwasher Tablets

How to pick the best dishwasher detergent for hard water

You can pick the best dishwasher cleaner for hard water by looking at consumer reviews of the various products. When doing so, keep in mind that any dishwasher detergent can be used to clean a dishwasher – you just need to make sure it contains one of the minerals-dissolving chemicals mentioned above. A powder or liquid dishwashing detergent that is marketed specifically as a dishwasher cleaner for hard water may work better than other products, but they will all clean your dishwasher.

Reviews of the Best Dishwasher Detergents for Hard Water

Best for Hard Water: XROM Dishwasher Pro Cleaner Tablets

The XROM dishwasher pro cleaner is an all-natural tablet that uses hydrogen peroxide to dissolve the hard water minerals in your dishwasher’s tank. Using this product with a mild detergent will produce the best results, but you can also use it by itself. It is currently available on Amazon for around $20 for 40 tablets.

Best for Limescale: Finish Dual Action Dishwasher Cleaner

The Finish dishwasher cleaner contains both citric acid and sodium carbonate, making it an effective way of getting rid of the calcium deposits that cause limescale (and hard water) on your dishes. The tablets are also formulated to prevent new build-up, keeping your dishwasher fresh on a weekly basis. You can get them for around $12 on Amazon for 80 tablets.

OxiClean Dishwasher Cleaner & Degreaser Capsules

The OxiClean dishwasher cleaner is a chlorine-free product that contains oxiclean, sodium carbonate, and hydrogen peroxide . The hydrogen peroxide breaks down the minerals that cause hard water stains while the potassium hydroxide loosens existing scale and prevents new build-up. You can pick a pack of 40 dishwasher capsules on Amazon for around $15.

Phosphate Free: Cascade Complete Dishwasher Tabs

The Cascade phosphate-free dishwasher tabs use the same ingredients as the regular Cascade tabs – sodium carbonate, percarbonates, and enzymes. However, they do not contain sodium tripolyphosphate, a chemical that is often found in dishwashing detergents and that can be harmful to water life if it goes down the drain. You can find a pack of 30 Cascade phosphate-free tabs on Amazon for around $12.

Mold Preventers: Lemi Shine Dishwasher Cleaner Capsules

The LemiShine dishwasher cleaner capsules are designed to prevent mold build-up in your dishwasher. The tablets are also formulated to work against limescale, which means you can use them even if you have hard water. Although the product is relatively expensive at around $30 for a pack of 40 capsules, it should last for around 80 wash cycles.

Eco-Friendly: Ecover Dishwasher Tablets

The Ecover dishwashing tablets are made from plant extracts, making them an eco-friendly choice for your dishwasher. They are also free of enzymes and phosphates, which makes them a good choice for people who want to avoid chemicals. You can buy them

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