Household essentials
Black Friday dishwasher tablets: compare the price per wash
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A discounted refill can be practical when it replaces something your household already uses. For dishwasher tablets, compare the final cost per tablet as well as the amount you need to pay upfront. This guide uses Finish Ultimate Lemon 70 Pack as one research example, not a claim that it is the cheapest or best-performing detergent.
Products to compare
Check the exact product and total price
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Finish Ultimate Lemon 70 Pack
Use this exact-product listing as one comparison point. Check range, pack size, seller and delivery. Compare with your usual detergent before deciding.
Check this product on Amazon AustraliaUse delivered price divided by tablet count
Add the product price and delivery, then divide by the number of tablets. If your normal programme uses one tablet per wash, that gives a cost per wash; follow the detergent and dishwasher instructions. Compare the same product range and the quantity you will use. A cheaper pack total may contain fewer tablets.
Worked example: the bigger pack is not automatically cheaper
These are illustrative prices, not live offers. Pack A contains 70 tablets and costs $28 plus $6 delivery: $34 ÷ 70 is about 49 cents per tablet. Pack B contains 100 tablets and costs $45 with free delivery: $45 ÷ 100 is 45 cents per tablet. Pack B has the lower unit cost, but needs $11 more upfront. Your budget, normal usage and storage still matter.
Match Finish Ultimate with the correct range
Finish Australia lists an Ultimate Lemon 70 Pack. Ultimate, Ultimate Plus and other variants are different ranges; do not treat their names as interchangeable. The linked Amazon listing matched Ultimate Lemon 70 Pack when researched on 2 October 2026. Confirm the selected variant and count at checkout because listing options can change.
Separate subscription offers from one-off purchases
Record a one-time total and a subscription total in separate columns. Check what conditions apply, whether future orders recur and how the price or discount may change. A subscription is only useful if the quantity and delivery frequency suit your household. Do not describe a member-only or subscription price as available to every shopper.
Compare with your usual detergent and local shop
A promoted brand is not automatically better value than a product that already works for you. Compare your regular detergent at its normal pack size and at a local shop you already visit. Include extra delivery or travel only when it would actually be incurred. Do not add unnecessary products to qualify for free delivery.
How much should you buy before Christmas?
Estimate your actual use. At an illustrative four washes a week, 70 tablets cover 17.5 weeks when one tablet is used per wash. Keep the pack according to its storage directions and allow for the money tied up in buying ahead. A lower unit cost is helpful only when the quantity, cash outlay and product suit you.
Use this check for other household refills
The same method works for products with a clear comparable unit, such as tissues or dishwasher detergent. Match the type, quantity and any dosage differences. A sale badge is the starting point for a comparison, not the result. We have not verified a current price, offer, stock level or product performance; check the retailer before buying.
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Useful official resources
Official resources checked 2 October 2026. Examples are illustrative; prices and personal circumstances vary.
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