Markus Weßeloh's interview with "green for life"

Markus Wesseloh and children disassemble a blender

Green for life magazine asked us what to pay attention to when buying a high-speed blender. Only an expert, our managing director Markus Weßeloh himself, can answer this question. Markus knows them all - he has disassembled more than 100 blenders, tested them for their strengths and weaknesses in order to only sell what we can recommend without reservation in our store. The most important feature a good blender must have: perfectly creamy green smoothies.

In the following paragraphs you can read the interview of green for life with Markus - issue 3/16, The Green Smoothies Magazine:

"High blade tip speed for a perfect green smoothie"

If you were looking for a high-speed blender for green smoothies a few years ago, only one candidate came into consideration - the Vitamix TNC 5200. Today, things are completely different: A new model is launched almost every month, rotation speeds skyrocket, new time programs promise absolute blending convenience, and even the shape and color can be chosen to match the kitchen décor (...).

Green for Life: Hello Markus, the blender market has grown in recent years and has developed into a rather opaque jungle. What distinguishes a good green smoothie blender?

Markus Weßeloh: The blending result: the finer the blending result, the better the green smoothie tastes, moreover, with a finer consistency the digestibility increases significantly. It's hard to imagine, but the taste difference between a green smoothie made with a simple blender and one made in a high-speed blender can be enormous.

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Green for Life: How many revolutions does a good green smoothie blender need?

Markus Weßeloh: When it comes to the number of revolutions, I advise to be careful. All manufacturers base their information on the blender's revolutions without the container attached. Unfortunately, this number is completely irrelevant. I like to compare it with a car: When the gear is in neutral, nobody is interested in the revolutions of the engine - but everybody wants to know the top speed of his car (in other words: under load). To stay with the car example: On the highway, the vehicle slows down significantly when going uphill. It's a similar story with blenders: the speed decreases with increasing load.

Green for Life: Aha! So, what's important when it comes to a high-speed blenders?

Markus Weßeloh: Much more interesting - but technically much more difficult to measure - is the blade tip speed when fully loaded. As a rule, the blade tip speed should be between 200 and 250 km/h when fully loaded with 1.5 liters of water. We have therefore included the blade tip speed as a parameter in our blender comparison.

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Green for Life: Which features do I have to live without in a less expensive device?

Markus Weßeloh: With the required 200 Km/h, high-speed blenders must withstand enormous forces. In order to withstand these forces, all components of the blender must be designed to withstand these loads. Our experience is that cheap blenders are not built with enough stability for this purpose. In addition, the blending results are not comparable with those of high-speed devices.

Green for Life: My best friend has just discovered the green smoothie universe for himself, we want to get her a blender for her wedding. Which one would you recommend?

Markus Weßeloh: My advice would be the Wartmann Blender. With a blade tip speed of 215 Km/h, it is well within the 200 - 250 km/h range, making it a good choice among the high-speed blenders. With a price of just under €300, the Wartmann Blender has a great price/performance ratio. Two reasons why I like the Wartmann Blender inparticular are its compact size and its easy handling.

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Green for Life: Which blender would we find in your kitchen at home? And why did you choose it?

Markus Weßeloh: Since the Vitamix Pro 750 was introduced on the market, my wife Svenja and I have been using it every day. Green smoothies are impressively fine and creamy - that's what matters most to us. Svenja also likes the time programs, once the ingredients are in the container, the blender does the rest without you having to stand next to it. That's very practical, especially with our three children.

Green for Life: So what do you recommend: blenders with time programs or the good old analog control dial??

Markus Weßeloh: Time programs offer more convenience and are particularly practical for longer blending processes, e.g. for soups. However, everything that time programs can do is also easily accomplished with manual controls, even if you are a beginner. In addition, you can blend more precisely with manual settings, which is especially important for preparations with chunky contents like pesto. Ultimately, it's a question of personal preference.

Green for Life: Thank you for taking the time to answer our questions, Markus!

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We appreciate your Feedback here!

Carla from

I fell in love with the first sip. In 2010 a friend of mine served me my first green smoothie. Since then, green smoothies are my absolute favorite breakfast. Quickly prepared, I start my day healthy, delicious and well nourished. I carry the feeling of this delicious healthy breakfast with me all day long - all the way through to the evening.
Nice side effect: Without renunciation or nutritional dogma, green smoothies regulate my desire for coffee, chocolate and all the other temptations.

Among other things, Carla gives workshops for beginners and also is responsible for social media and communication.

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