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How to find the best the LED grow light for cannabis. The watt/sq ft principle can be used, but PPFD and PPFD maps are far more accurate. In this article we'll show you everything you need to know to understand LED grow lights, how to compare their performance, and select one appropriate for your grow space.

Learn to estimate how powerful LED grow light is necessary for a given area. Using the watt per square feet principle gives a rough idea of how many watts a grow lamp needs to consume to fully illuminate a specific grow area or tent. Whether growing in a 2x4', 3x3', 4x4' or larger area, the w/sq ft is usable.

Grow tents come in plenty of shapes and sizes. They are being marketed to indoor growers with claims ranging from "good to have" to "a necessity". How important are they,...

Grow Room Glasses        Have you started, or are you looking to start growing plants indoors? If your plan is to grow any type of high-light plant like...

In our previous article on PAR, PPFD, and PPF, we talked in short about PPFD (sometimes the term "PAR" is used incorrectly when referring to PPFD) and defined it as...

This is an introductory article for three commonly used and important LED grow light terms. We circle back to our video on PAR, PPFD, and PPF with this article and...

Indoor growers, today we’d like to talk about grow tents and grow spaces. If you’re growing indoors or are considering growing indoors, doing so in either a tent or a...

PPFD Test of Household Bulbs, Ikea 10W Grow Bulb, and T5 (28W) CFL Fixture We’re back again with another, more thorough, household bulb test. We’re testing 2.2W, 5.7W, 10W (Ikea PAR30...

Installing, setting up and hanging an LED grow light and getting the distance right A possibly obvious topic to some, but eye-opening to others. We’ve seen all types of unique...

How intense is the sunlight over the course of an afternoon? What’s the sun’s PPFD (µmol/m2/s) level? Our sun is the main light source for the vast majority of plants...

Common CFL and LED household bulbs (and IKEA 10W grow bulb) PPFD & footprint tested. How well suitable are they for growing plants indoors? Fellow growers. We see many of...

[Updated 02 March 2021]   How intense light (PPFD) to expose various species to and for how long.Light intensity, or rather, how densely packed light is with photons, is measured...

How To Find the Right Indoor Light on Amazon, Ebay, and WalmartIt's a real jungle out there. There are just pages and pages with LED grow lights of various shapes,...

How to Grow A Tomato Plant Indoors with LED Bulbs We set out on an experiment with the objective: grow tomatoes indoors as simply as possible. Without investing in massive...

How To Start, Develop, and Grow an Indoor Vegetable or Herb Garden - Seed To Harvest Growing and maintaining an indoor garden is easy, fun, rewarding, and soothing. Creating life,...

A Customer Success Story  We recently helped a customer with his closet grow. The goal was to grow one cannabis plant in a 1.8x1.8' (55x55 cm) closet. The customer explained...

How to grow marijuana indoors, a beginner's guide. We at LEDTonic love to create green life, no matter the plant species. Previously we’ve written an indoor vegetable growing guide, this...