Grow Lab

Cannabis gelbe Blätter – Ursachen erkennen und richtig reagieren
Cannabis gelbe Blätter – Ursachen erkennen und richtig reagieren
Gelbe Blätter gehören zu den häufigsten Problemen im Cannabis-Grow. Fast jeder Grower erlebt irgendwann, dass sich Blätter verfärben, heller werden oder komplett vergilben. Die erste Vermutung ist oft ein Nährstoffmangel... Read more...
Living Soil einfach erklärt – Der natürliche Weg zu gesunden Pflanzen - CannaSelection®
Living Soil einfach erklärt – Der natürliche Weg zu gesunden Pflanzen
Immer mehr Grower beschäftigen sich mit einem Konzept, das eigentlich schon seit Millionen Jahren funktioniert: Living Soil. Während viele moderne Düngesysteme versuchen, Pflanzen direkt mit Nährstoffen zu versorgen, verfolgt Living... Read more...
Warum Stress bessere Blüten produziert - CannaSelection®
Warum Stress bessere Blüten produziert
Viele Grower versuchen, ihre Pflanzen unter möglichst perfekten Bedingungen wachsen zu lassen. Konstante Bewässerung.Stabile Nährstoffwerte.Keine Schwankungen. Die Logik dahinter scheint klar:Wenn eine Pflanze keinen Stress hat, wächst sie besser. Doch... Read more...
Sind Pflanzen in der Natur gesünder als im Indoor-Grow? - CannaSelection®
Sind Pflanzen in der Natur gesünder als im Indoor-Grow?
Viele Grower kennen das Problem. Die Pflanze zeigt plötzlich gelbe Blätter.Die Blattadern werden heller.Das Wachstum stagniert. Die Diagnose scheint klar: Nährstoffmangel. Also wird nachgedüngt.Calcium, Magnesium, Booster, Additive – irgendetwas wird... Read more...
Nicht dein Dünger ist das Problem – dein Leitungswasser sabotiert deinen Grow - CannaSelection®
Nicht dein Dünger ist das Problem – dein Leitungswasser sabotiert deinen Grow
Viele Grower kennen diese Situation. Die Pflanzen zeigen plötzlich helle Blattadern.Die Blätter verlieren ihre Farbe.Das Wachstum wird langsamer. Die Diagnose scheint klar: Nährstoffmangel. Also passiert das, was fast jeder Grower... Read more...
White Ash – Qualitätsmerkmal oder hartnäckiger Mythos? - CannaSelection®
White Ash – Qualitätsmerkmal oder hartnäckiger Mythos?
Kaum ein Thema wird in der Szene so schnell als Beweis herangezogen wie die Farbe der Asche. Der Joint geht rum, jemand schaut auf die Glut, die Asche fällt weiß... Read more...
Der Cannabis Discord Server für Grower – Willkommen in der CannaSelection Grow Community - CannaSelection®
Der Cannabis Discord Server für Grower – Willkommen in der CannaSelection Grow Community
Wer sich ernsthaft mit dem Thema Cannabis-Anbau beschäftigt, weiß: Gute Informationen, ehrlicher Austausch und eine aktive Community machen den entscheidenden Unterschied. Genau hier setzt die CannaSelection Grow Community an –... Read more...
Wie raucht Deutschland 2026 wirklich? Sag es jetzt – bevor andere für dich entscheiden. - CannaSelection®
How will smoking in Germany really be in 2026? Tell us now – before others decide for you.
Cannabis has been legalized in Germany. But one crucial question remains unanswered to this day: How do people actually consume cannabis – in everyday life, not in theory? 👉 That's... Read more...
Wenn organische Düngung mineralisch wird – ein systemischer Blick auf Bio-Grows - CannaSelection®
When organic fertilization becomes mineral – a systemic look at organic grows
and why the term "organic" in the fertilizer sector often promises more than it delivers "I grow organically." This phrase is almost reflexively uttered in the growing world. It stands... Read more...
Wintergrows: Warum sie anders behandelt werden müssen – und warum viele Probleme hausgemacht sind - CannaSelection®
Winter grows: Why they need to be treated differently – and why many problems are self-inflicted.
Many growers assume that indoor growing works regardless of the season. After all, the tent is in the basement, the lights are on as usual, and the fertilization schedule remains... Read more...
Warum dein Substrat nach zwei Runs „tot“ ist – - CannaSelection®
Why your substrate is “dead” after two runs –
and how you can professionally and cleanly integrate it back into a functioning system Many growers experience the same pattern after one or two grows: The first grow goes smoothly,... Read more...
Canna Selection Organic Line – Anwendungsschema - CannaSelection®
Canna Selection Organic Line – Shema Guideline
This application scheme clearly and comprehensibly shows you which product is used in which week . The focus is not on short-term effects, but on a stable, biologically active substrate... Read more...
Triploid-Cannabis: Fortschritt oder genetische Sackgasse? - CannaSelection®
Triploid cannabis: progress or genetic dead end?
Why triploid seeds reveal more about market interests than about genuine breeding work In the current development of the cannabis market, a term is appearing with increasing frequency that sounds... Read more...
White Label Seeds, Breeder und die Frage nach echter Genetik - CannaSelection®
White Label Seeds, Breeders and the Question of Genuine Genetics
Why good breeding takes time – and why mass-produced goods harm the market Since the legalization of cannabis, the market has expanded rapidly. New shops, new brands, new strains –... Read more...
Organic Line – Organischer Grow beginnt mit lebendigem Boden - CannaSelection® - eine Marke der WebTec Braun GmbH
Organic Line – Organic growing begins with living soil
Those who want to grow organically don't simply fertilize plants. They are nurturing a complex biological system . The CannaSelection Organic Line was created precisely from this idea. Read more...
CalMag 3:1 oder 4:1 - Welches Verhältnis ist das richtige? - CannaSelection®
CalMag 3:1 or 4:1 - Which ratio is the right one?
Why there are different CalMag ratios (3:1 vs. 4:1) – and what water & system have to do with it. Calcium (Ca) and magnesium (Mg) are among the essential secondary... Read more...
MicroBio+ ist kein Dünger – und genau deshalb ist es so stark - CannaSelection®
MicroBio+ is not a fertilizer – and that's precisely why it's so powerful.
If you read through Instagram comments, DMs, and grow communities, you see it again and again: "I use MicroBio+ as fertilizer." "Is that enough on its own?" "I poured it... Read more...
Living Soil selbst herstellen: So bereitest du deine Living Soil Base richtig vor - CannaSelection®
Making your own Living Soil: How to properly prepare your Living Soil Base
Living Soil stands for living soil , healthy plants, and more intense aromas. But for the system to truly work, proper preparation and mixing are crucial. In this article, we'll... Read more...
EM-Kompost-Tee – lebendige Bodenpflege statt klassischem Düngen - CannaSelection®
EM compost tea – living soil care instead of classic fertilization
EM compost tea is a tool for everyone who understands that healthy plants don't grow from ever-increasing amounts of fertilizer, but from a functioning soil life. It doesn't primarily supply... Read more...
Warum Wurzelkraft das Ergebnis eines stabilen Mikrobioms ist – und wie du sie gezielt maximierst - CannaSelection®
Why root strength is the result of a stable microbiome – and how you can maximize it.
Strong roots don't grow by chance. Cannabis plants are only as strong as their root system. The quality of the roots determines how much water, oxygen, and nutrients the plant... Read more...
Salzansammlungen im Substrat – wie sie entstehen und wie Mikroben sie neutralisieren - CannaSelection®
Salt deposits in the substrate – how they form and how microbes neutralize them
The silent enemy in every grow Salt buildup is one of the most common causes of growth problems in indoor growing. It develops gradually, remains invisible for a long time,... Read more...
Nährstoffblockaden – die unterschätzte Gefahr im Grow und wie Mikroben sie verhindern - CannaSelection®
Nutrient blockages – the underestimated danger in growing and how microbes prevent them
When nutrients are present but don't reach the body. Many growers are familiar with this problem: The plant is showing signs of deficiency despite receiving sufficient fertilizer. The leaves are... Read more...
pH-Schwankungen im Grow – warum sie fast immer mikrobiell bedingt sind und wie du sie stabil hältst - CannaSelection®
pH fluctuations in growing – why they are almost always caused by microbes and how to keep them stable
pH problems are rarely caused by fertilizer. Many growers meticulously adjust their pH level before watering. Nevertheless, plants repeatedly experience pH stress: the levels drift, nutrient blockages occur, and suddenly... Read more...
Warum Wurzelprobleme fast immer mikrobiell beginnen – und wie du sie früh erkennst - CannaSelection®
Why root problems almost always start with microbes – and how to recognize them early.
Root problems are not accidents. Many growers only notice root problems when the plant is visibly suffering: leaves droop, the plant appears weak, nutrient deficiencies appear, or growth stagnates. However,... Read more...
Warum totes Substrat zu toten Ergebnissen führt – und wie du es wiederbeleben kannst - CannaSelection®
Why dead substrate leads to dead results – and how you can revive it
The silent killer in the grow room Many growers put a lot of effort into light, fertilizer and climate, but an invisible factor often decides between success and failure: the... Read more...
Bodenbiologie einfach erklärt – Was jeder Grower verstehen sollte - CannaSelection®
Soil biology explained simply – What every grower should understand
Why soil biology is changing your grow game Many growers focus on fertilizers, pH levels, and watering. But the real foundation of every healthy plant lies in the soil or... Read more...
Symbiose statt Zufall – Wie Pflanzen und Mikroben miteinander kommunizieren - CannaSelection®
Symbiosis instead of chance – How plants and microbes communicate with each other
Plants are not silent: they communicate with microbes. Many growers primarily think of fertilizer when it comes to nutrient supply. However, plants don't simply obtain nutrients "passively" from the soil... Read more...
Wie nützliche Bakterien Nährstoffe für Cannabispflanzen verfügbar machen – Die verborgene Kraft unter der Erde - CannaSelection®
How beneficial bacteria make nutrients available to cannabis plants – The hidden power underground
Why bacteria are the true "nutritional managers" of your plants Cannabis can only grow if it can absorb nutrients. However, most of the nutrients in the substrate are not in... Read more...
Die Rhizosphäre erklärt: Was im Wurzelraum wirklich passiert - CannaSelection® - eine Marke der WebTec Braun GmbH
The rhizosphere explained: What really happens in the root zone
The most important place in the entire cultivation When people talk about cannabis plants, they often think about flowers, fertilizer, or light. But the crucial area for growth, health, and... Read more...
Warum Mikroorganismen der Schlüssel für gesunde Cannabispflanzen sind – Die wahre Macht im Wurzelraum - CannaSelection® - eine Marke der WebTec Braun GmbH
Why microorganisms are the key to healthy cannabis plants – The true power in the root zone
Introduction – The underestimated heroes of modern growing In cannabis cultivation, growers usually optimize lighting, fertilizers, climate control, and strain selection. But the most important factor for strong, resilient plants... Read more...
Cannabis & Bodenleben: Warum besonders Cannabispflanzen darauf reagieren - CannaSelection® - eine Marke der WebTec Braun GmbH
Cannabis & Soil Life: Why Cannabis Plants React Particularly Well to It
The secret beneath your plants – Why soil life is THE crucial factor for healthy cannabis plants The invisible force that decides your grow Many growers optimize lighting, climate, genetics,... Read more...