Our own formula · Made by Think Crucial · Not made by Waterpik
Descaler for Waterpik and Sonicare water flossers.
One 6 oz bottle of citric-based concentrate: up to 36 cleans for cordless flossers, about 18 for compact and 12 for full-size countertop units. $23.99 a bottle.
4.5from 24 ratings on Amazon(as of Oct 1, 2026)

- Waterpik Aquarius WP-660/662
- Waterpik ION WF-12
- Waterpik Sidekick WF-04
- Waterpik Nano Plus WP-320
- Waterpik Cordless Advanced WP-580
- Waterpik Cordless Pulse WF-20/WF-30CD/WF-13
- Philips Sonicare 3000 and similar cordless units
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
What's in the box.
Exactly what ships, and what it works with.
- 1 ×6 oz bottle of water flosser cleaner and descaler concentrate
up to 36 cleans in small cordless tanks
- Works with
- Waterpik Aquarius WP-660/662, ION WF-12, Sidekick WF-04, Nano Plus WP-320, Cordless Advanced WP-580, Cordless Pulse WF-20/WF-30CD/WF-13 and Philips Sonicare 3000
- Price
- 1 bottle (6 oz): $23.99
- Subscription
- None. Buy when you need it
- Made by
- Think Crucial, our own formula (not affiliated with Waterpik)
- Ships
- Free, from a U.S. warehouse. Same business day when ordered by 2pm ET; arrives in 2–5 business days
Check your machine.
Made for the Waterpik Aquarius WP-660/662, ION WF-12, Sidekick WF-04, Nano Plus WP-320, Cordless Advanced WP-580, Cordless Pulse WF-20/WF-30CD/WF-13 and Philips Sonicare 3000. If your machine isn't listed, email us before you order.
- Waterpik Aquarius WP-660/662
- Waterpik ION WF-12
- Waterpik Sidekick WF-04
- Waterpik Nano Plus WP-320
- Waterpik Cordless Advanced WP-580
- Waterpik Cordless Pulse WF-20/WF-30CD/WF-13
- Philips Sonicare 3000 and similar cordless units
- 01Dose by tank size
Small cordless tanks (8 oz or less): 1 tsp. Compact 10–16 oz tanks: 2 tsp. 20–24 oz countertop tanks: 1 Tbsp.
- 02Run and soak
Empty the tank, add concentrate, fill to MAX with warm water (100–120 °F). Run about half the tank, soak the tip 5–10 minutes, then run the rest.
- 03Rinse
Rinse once with a full tank of plain water.
- 04Still 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.
Before you order.
Straight answers. Anything else, email support@thinkcrucial.com.
Q.01Is this made by Waterpik?
Q.02How many cleans are in a bottle?
Q.03What does it do?
Q.04What's in it?
Q.05What if it doesn't work with my machine?
Q.06Is there a subscription?
Q.07When will it arrive?
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
Descaler for Waterpik and Sonicare water flossers
Works with the machine we list, or we refund it. No return needed.
Not made by Waterpik. Think Crucial makes this descaler to its own formula. Waterpik, Philips and Sonicare are trademarks of their respective owners, used here only to describe compatibility. Think Crucial is not affiliated with or endorsed by Waterpik.
© 2026 Crucial Brands Inc., DBA Think Crucial. Hollywood, Florida.