Our own formula · Made by Think Crucial

Bleach-free tile, grout and caulk cleaner concentrate.

Mix 1 part concentrate with 5 parts water: 48 fl oz of spray from one 8 oz bottle. No bleach to fade colored grout. $2.75 a use.

Think Crucial grout cleaner — **Fig. 01**8 fl oz bottle

Works withTile · grout · caulk

Ceramic
Porcelain
Fiberglass
Acrylic
Vinyl tile
Caulk
Rubber seals

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 box8 fl oz bottle

1 ×
8 fl oz bottle
concentrate, makes 48 fl oz of spray

Works with: ceramic, porcelain, fiberglass, acrylic and vinyl tile, caulk and rubber seals
Price: 8 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 itTile · grout · caulk

Check your machine.

Made for the ceramic, porcelain, fiberglass, acrylic and vinyl tile, caulk and rubber seals. If your machine isn't listed, email us before you order.

Ceramic
Porcelain
Fiberglass
Acrylic
Vinyl tile
Caulk
Rubber seals

01
Mix
1 fl oz of concentrate with 5 fl oz of water in a spray bottle.
02
Spray and wait
Spray, let it dwell, and brush any heavy buildup.
03
Rinse
Rinse with water. Test a hidden spot first.
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.01Does it contain bleach?

No. It's bleach-free and chlorine-free.

Q.02What surfaces should I avoid?

Marble, limestone, travertine and unsealed natural stone.

Q.03How much spray does a bottle make?

48 fl oz at 1 part concentrate to 5 parts water.

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