RDT Spray

What is RDT?

Single dosing is fun and great for your coffee, but it can make quite a mess. Sound familiar? Coffee sticking everywhere and ending up outside your portafilter? Frustrating!
The culprit is static during grinding.

This is where an RDT spray comes to the rescue. RDT stands for the Ross Droplet Technique (RDT), which we discovered thanks to the legendary James Hoffmann.

The technique involves adding a few drops of water to your beans before grinding. The result? A more consistent puck, since less ground coffee sticks inside your grinder.

Pro tip: Combine it with the Coffee Dosing Tray for the ultimate single dosing duo. What are you waiting for!

How to Use the RDT Spray

Here’s how to use an RDT spray:

1. Lightly mist your coffee beans with a fine spray of water. For the most even coverage, use the coffee dosing tray.
2. Give your beans a quick shake to distribute the water evenly.
3. Then grind the beans as usual.
4. And voilà! No more static. Your grounds end up neatly in your dosing cup or portafilter.

We Don’t Sell This RDT Spray for Nothing

Our products are fully tailored to your needs as a home barista.

This is what makes our RDT spray special:
• Simple to use: easy to spray and refill
• Refillable and easy to clean
• Glass spray bottle won’t affect taste
• Comes with a holder to protect the glass bottle
• 8 ml capacity: enough for days of spraying
• Made of durable ABS, built to last

So, is the RDT spray right for you?

An RDT spray works perfectly with our coffee dosing tray or one of our dosing cups. Check out our dosing cups and our Sage dosing cup here.

In the fight against clumps in your coffee, we also recommend a WDT tool. It helps break up the grounds evenly in your filter basket.

Do you have any questions about the RDT spray or one of our other barista tools? Let us know, we’re here to help!