.png?ts=1778831753)
Your knowledge base for maximum growing success
Discover exclusive guides, expert tips and scientifically based instructions for healthy plants and maximum yields.
Growing categories
Choose a category to view matching articles and guides.
Expert guides & answers
Browse all our articles or use the search function to find specific topics.
Soil & substrates12 min. readGrowing media at a glance: soil, coco, rockwool, clay pebbles and perlite
Which substrate suits your grow? How soil, coco, rockwool, clay pebbles and perlite differ in water retention, aeration, pH and the care they need.
Read more
Nutrients15 min. readpH for plants: the complete guide for soil & hydro
Why pH determines how well your plants absorb nutrients, which target values apply to soil, coco and hydro, and how to measure, calibrate and correct properly.
Read more
Water & irrigation9 min. readWatering plants properly: expert tips for healthy growth
Too much or too little water? How to recognise both, find the right amount of water for your pot and give your plants exactly what they need every time.
Read more
Grow lamps15 min. readGrow lamps 101: types, lifespan & when to replace them
Two factors determine the right choice: how much light your space needs and the best spectrum for each growth phase. Everything about HID, HPS, MH, CMH and fluorescent tubes.
Read more
Grow lamps12 min. readUnder-canopy grow lights: significantly boost yield, quality & colour
Under-canopy lighting (UCL) brings targeted light from below into the lower flowering zone. Read how UCL can increase yield, reduce popcorn buds and improve quality.
Read more
Grow lamps19 min. readHanging & adjusting grow lights: distance & PAR values for maximum yield
Step-by-step guide to the best mounting, height and light distribution of LED and HPS grow lights in the grow room.
Read more
Grow lamps8 min. readLight stress in plants: recognise, treat & prevent
Learn how to recognise high and low light stress, prevent light burn and choose the right setup for healthy plants.
Read more
Grow lamps13 min. readUV and UVB light for plants: everything you need to know
UV light is one of the most misunderstood tools in modern growing. Everything about spectra, UVA vs. UVB, dosage, safety and more resin.
Read more
Climate & environment14 min. readUnderstanding VPD (vapour pressure deficit) in the grow room
Learn how to calculate and control the vapour pressure deficit (VPD) to optimise nutrient uptake and transpiration of your plants.
Read more
Climate & environment5 min. readPreventing wind damage in indoor cannabis
Indoors, cannabis plants enjoy artificial sun, a pleasant temperature and a gentle breeze. But too much wind harms your plants. Here is how to prevent wind burn.
Read more
Plant care6 min. readThe dos and don'ts of pruning
Pruning cannabis plants is high-stress training. It helps to increase the yield in quality and quantity. Learn the most important dos & don’ts.
Read more
Plant care5 min. read6 reasons why cannabis plants barely grow
If seedlings or plants stagnate, it is usually down to the environment. We show the 6 most common causes of stunted growth and how to fix them quickly.
Read more
Harvest & processing10 min. readHarvesting cannabis by pistil colour
When is the best time to harvest? How to judge ripeness by the pistils (stigmas) – and why a look at the trichomes under a magnifier confirms the decision.
Read more