Le blog GrowLED

Popular posts

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  Back-to-grow checklist: the complete guide to restarting your grow in September

  Posted in: Indoor growing guide, Ultimate Growshop Guide to understand the different products

  Joseph's complete checklist to clean, repot, ventilate and relaunch your grow in September.

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  Spider mites, thrips and aphids: identifying and treating pests

  Posted in: Indoor growing guide, Identifying and Treating Pests

  A leaf marbling with yellow, a fine veil beneath the leaflets, ants running up a stem: these are often the first signs of an invasion that started several days before you noticed it. In this article, I explain how to recognise the three most common grow-room pests (spider mites, thrips, aphids), why they settle in, and how to build a prevention routine.

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  The clip fan: why it's the first climate buy every one of our customers makes

  Posted in: Fans, Climate Management, Ventilation and Air Extraction

  Small, discreet, essential: Joseph explains why the clip fan is the first climate accessory to install, and how to choose the right one.

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  LED versus HPS: why and how to switch to horticultural LED

  Posted in: Indoor growing guide

  After fifteen years growing under HPS and guiding hundreds of GrowLED customers through the switch to horticultural LED, I still see the same hesitations: watts, equivalences, spectrum, heat. This article goes through, point by point, what actually changes when you leave a high pressure sodium bulb behind.

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  pH and EC: the two measurements that save an indoor grow

  Posted in: Indoor growing guide, Understanding NPK and Nutrients

  A plant that yellows, stalls or burns at the tips often has a pH or EC problem that was never checked. Joseph explains how to measure, calibrate and correct both, using the kit he actually relies on for his own grow.

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  Heatwave in the Tent: 5 Reflexes to Protect Your Plants from the Heat

  Posted in: Indoor growing guide, Climate Management, Temperature and Humidity Control

  High heat? Joseph, GrowLED grower, shares his 5 field-tested reflexes to keep your tent's temperature in check and protect your harvest.

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  Going on holiday stress-free: securing your grow tent's climate

  Posted in: Climate Management, Temperature and Humidity Control

  How to automate your grow tent's extraction, ventilation and humidity before you leave on holiday, without false promises about watering.

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  Root stimulants and soil life: mycorrhizae and micro-organisms

  Posted in: Indoor growing guide, Understanding NPK and Nutrients

  People often ask me why I focus on what happens below the pot rather than above it. The answer: a plant never feeds itself alone, it delegates part of the work to fungi and bacteria settled around its roots. Here I break down that living partnership and where each product fits.

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  Soil, Coco or Hydro: The Honest Comparison to Choose Your Growing Method

  Posted in: Substrates and Containers, Soil, Coco and Clay Pebbles

  An honest, dogma-free comparison of soil, coco and hydroponics to help you choose the growing method that truly fits you.

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  Watering water: reverse osmosis, hardness and temperature, what really counts

  Posted in: Indoor growing guide

  As soon as watering comes up, the talk turns to reverse osmosis units, TDS meters and thermometers. After years fixing watering routines in the field, Joseph shifts the question: once the water is prepared, how do you get it to the root without spoiling it, and at the right moment?

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  Fabric pot, rigid pot or saucer: why your container choice changes everything

  Posted in: Substrates and Containers, Choosing Pots and Containers

  Fabric pot, rigid pot or saucer: Joseph explains how to choose the right container depending on the plant's stage.

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  Training, LST and SCROG: more yield without more light

  Posted in: Indoor growing guide

  A yield ceiling isn't always a question of lighting power. Most of the time, it's a question of distribution: a single big top that captures everything, while the branches below languish in the shade. Training fixes that without adding a single watt, by forcing the plant to spread the light it already has.

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