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When using dishwasher tablets, the question often arises: do you need rinse aid with Finish all-in-one dishwasher tablets? The short answer is, it depends.

Our Finish Ultimate Plus All-In-One Dishwasher Tablets are designed to contain not only detergent but also rinse aid and other additives like salt. In theory, this makes additional rinse aid unnecessary. However, the performance of these tablets can vary based on water hardness, dishwasher model, load size, and load type. Our Finish Power All In One Dishwasher Tablets only contains detergent so will need additional rinse aid.

If your water is very hard, the built-in rinse aid in all-in-one tablets may not be enough to prevent water spots and streaks on glassware and dishes. In such cases, adding a dedicated rinse aid can enhance drying performance and improve the overall finish of your dishes.

Moreover, some dishwashers, particularly older models, may not distribute the rinse aid from the tablets as effectively as newer machines do. This could lead to unsatisfactory drying and spotting results.

So, do you need rinse aid with dishwasher tablets? Although using rinse aid will not enhance the cleaning capacity of the tablet itself, dishes will always benefit from using rinse aid in terms of shine and drying time, especially in areas with hard water or when using an older dishwasher.

Finish All-in-one dishwasher tablets are designed to simplify the dishwashing process by combining detergent, rinse aid, and salt into one convenient product. In areas with soft or moderately hard water, these tablets often perform well without the need for additional salt. However, if you live in a region with hard water, the built-in salt may not be sufficient. Hard water causes limescale build-up, which can affect your dishwasher’s performance and leave white spots on dishes and glassware1. Dishwasher salt plays a vital role in softening water and preventing the mineral deposits responsible for these spots.

Do you need to use dishwasher salt with Finish all-in-one tablets? No, but depending on your area, your water hardness levels may exceed the capacity of the salt in your all-in-one tablets. In this case, using extra dishwasher salt will enhance cleaning results and protect your machine. Many modern dishwashers have indicators for low salt levels, which can help you decide whether extra dishwasher salt is necessary. To ensure the best results, check your local water hardness and consult your dishwasher’s manual to maintain both the cleanliness of your dishes, and lifespan of your appliance.

1https://www.energy.gov/energysaver/understanding-and-dealing-hard-water