Ross Droplet Technique (RDT) spray reduces static for smoother grinding and cleaner cups
30ml high-quality glass and metal construction ensures durability and safety
Compliant with EU Food Contact Directive, FDA, and RoHS standards for peace of mind
Compact size ideal for precise control during espresso preparation
Summarized by Shop
Brewing Culture RDT Spray Bottle
The Ross Droplet Technique (RDT) is a simple yet effective method for reducing static during the coffee grinding process, leading to a more precise and cleaner grind. A single spritz of water on your roasted coffee beans diffuses the static, resulting in less retention and a smoother grinding process. The
Capacity
30 ml
Material
Glass and metal
Color
Black
Pattern
Solid
Compliance
EU Food Contact Directive, FDA, RoHS
Summarized by Shop
5.0
7 ratings
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1
These are another two after first two I got last year. Quite handy, and good quality plus twist case for the bottle to hide and see, nice
J
John · February 9, 2026
Recommend
Fine, even mist.
A
Anonymous · August 10, 2025
Lightest mist ever almost like smoke bought it without particular expectation as normal spray but it really is premium for rdt