Our own formula · Made by Think Crucial · Not made by AeroGarden

Descaler for AeroGarden reservoirs. Up to 95 cleanings per bottle.

After harvest, fill the reservoir, add a teaspoon, circulate 2 to 3 hours, drain and rinse. $0.24 a cleaning at 95.

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

Think Crucial descaler for the AeroGarden AeroGarden — **Fig. 01**16 oz bottle

Works withAeroGarden

Harvest
Harvest Slim
Harvest Lite
Harvest 2.0
Sprout
Bounty
Bounty Elite
Farm 12
Farm 24
Ultra
+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 oz bottle

1 ×
16 oz bottle
50% citric acid concentrate, up to 95 cleanings

Works with: AeroGarden Harvest, Sprout, Bounty, Farm, Ultra, Extra and Classic models
Price: 16 oz bottle: $22.99
Subscription: None. Buy when you need it
Made by: Think Crucial, our own formula (not affiliated with AeroGarden)
Ships: Free, from a U.S. warehouse. Same business day when ordered by 2pm ET; arrives in 2–5 business days

02Before you use itAeroGarden

Check your machine.

Made for the AeroGarden Harvest, Sprout, Bounty, Farm, Ultra, Extra and Classic models. If your machine isn't listed, email us before you order.

Harvest
Harvest Slim
Harvest Lite
Harvest 2.0
Sprout
Bounty
Bounty Elite
Farm 12
Farm 24
Ultra
Extra
Classic

01
Fill and dose
Between grows, fill the reservoir with water and add 1 teaspoon, or 2 for heavy buildup.
02
Circulate
Let the pump circulate it for 2 to 3 hours.
03
Drain and rinse
Drain, rinse with clean water and start your next grow.
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.01Is this made by AeroGarden?

No. It's our own formula, made by Think Crucial. It isn't made, sold or endorsed by AeroGarden, and Think Crucial isn't affiliated with AeroGarden. The brand name only shows what it's for.

Q.02How much do I use?

1 teaspoon for standard cleaning, 2 for heavy buildup.

Q.03How many cleanings?

Up to 95 at the standard dose, or 47 at the heavy-buildup dose.

Q.04What does it remove?

Hard-water scale and nutrient salt deposits on the pump and basin.

Q.05What 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.06Is there a subscription?

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

Q.07When 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