Our own formula · Made by Think Crucial

Liquid dishwasher cleaner and descaler. 15 cycles per bottle.

Film on glasses, stale smell, poor drying: usually scale. Pour 2 tablespoons in, run a hot cycle empty. $1.47 a cycle.

4.6from 10 ratings on Amazon(as of Oct 1, 2026)

Think Crucial dishwasher cleaner — **Fig. 01**16 fl oz bottle

Works withAny standard dishwasher

Whirlpool
Bosch 300/500/800
KitchenAid
Samsung
LG
GE
Frigidaire
Maytag
Amana
Kenmore
+2 more

Not sure? See how to use it or email support@thinkcrucial.com.

Shipping
Free U.S. shipping on every order
Dispatch
Ships the same business day when ordered by 2pm ET
Promise
Works with the machine we list, or a refund
Returns
30-day returns on unopened bottles

01Spec sheetFrom the listing

What's in the box.

Exactly what ships, and what it works with.

In the box16 fl oz bottle

1 ×
16 fl oz bottle
32% citric acid liquid, 15 cleaning cycles

Works with: Whirlpool, Bosch, KitchenAid, Samsung, LG, GE, Frigidaire, Maytag, Amana, Kenmore, Miele and Thermador dishwashers
Price: 16 fl oz bottle: $21.99
Subscription: None. Buy when you need it
Made by: Think Crucial, our own formula
Ships: Free, from a U.S. warehouse. Same business day when ordered by 2pm ET; arrives in 2–5 business days

02Before you use itAny standard dishwasher

Check your machine.

Made for the Whirlpool, Bosch, KitchenAid, Samsung, LG, GE, Frigidaire, Maytag, Amana, Kenmore, Miele and Thermador dishwashers. If your machine isn't listed, email us before you order.

Whirlpool
Bosch 300/500/800
KitchenAid
Samsung
LG
GE
Frigidaire
Maytag
Amana
Kenmore
Miele
Thermador

01
Empty it
Take out the dishes. No detergent.
02
Pour
Pour 2 tablespoons into the bottom of the tub.
03
Run hot
Run a full hot cycle.
04
Still not sure?
Email your machine's model number to support@thinkcrucial.com and we'll tell you whether it works with it. We reply within one business day.

03QuestionsBefore you order

Before you order.

Straight answers. Anything else, email support@thinkcrucial.com.

Q.01How often should I use it?

Monthly, or more often on hard water.

Q.02What's not in it?

No phosphates, no chlorine bleach, no EDTA, no borates.

Q.03Does it work in my dishwasher?

It works in any standard dishwasher that takes a liquid cleaner, including the brands listed above.

Q.04What if it doesn't work with my machine?

If it doesn't work with the machine we list, email support@thinkcrucial.com and we'll refund it. You don't need to send it back. Unopened bottles can also be returned within 30 days of delivery.

Q.05Is there a subscription?

No. You buy when you need it. Nothing renews and nothing auto-ships.

Q.06When will it arrive?

Free U.S. shipping on every order, from a U.S. warehouse. Ships the same business day when ordered by 2pm ET. Arrives in 2–5 business days.

04Who makes this

We make what we sell.

Think Crucial started in 2007 at a family vacuum repair shop. Today we're a U.S. company in Hollywood, Florida, making descalers and cleaners for the appliances you already own, alongside our aftermarket filters, bags and parts. Each bottle says which machines it's for and how much to use.

Questions before you order? Email support@thinkcrucial.com. We reply within one business day.

Ready to order