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common pest hemp russet mite

Hemp Russet Mite

Posted in Integrated Pest Management

Coevolving with Cannabis for millions of years, the Hemp Russet Mite (Aculops cannabicola) is a baneful pest, the name of which strikes dread in the…

Broad Mites on Cannabis Plants

Broad Mites

Posted in Integrated Pest Management

The Broad Mite (Polyphagotarsonemus latus) is a harrowing destroyer of hundreds of plants, and Cannabis is one of them! Causing severe and lethal damage that…

spider mites common pest

Two-Spotted Spider Mite

Posted in Integrated Pest Management

The Two-Spotted Spider Mite (Tetranychus urticae) is perhaps the most infamous pest mite in cannabis cultivation and home plant cultivation in general. Often referred to…

Grow Light Calculator

Grow Light Calculator

Posted in Climate & Light Light

We developed the grow light calculator to provide a scientific way to analyze and compare grow lights. Our calculator uses Photosynthetic Photon Flux (PPF) along…

Calculating Grow Light Efficiency, Coverage & Harvest Potential

Posted in Climate & Light Light

Learn how to use PPF data to calculate grow light efficiency, coverage and harvest potential. We explain the science behind our grow light formulas.

Grow Light Testing Protocol Cover

Grow Light Testing Protocol

Posted in Climate & Light Light

We developed our grow light testing project to provide reliable third-party data about grow light fixtures. We are working in collaboration with Shane Torpey from…

Total PPF Usable PPF and PPFD

Grow Light Metrics Primer

Posted in Climate & Light Light

Grow Light Guide Grow Light Tests and Reviews LED Fixtures Small: Up to 6sq. ft ViparSpectra XS 1000Maxsisun MF-1000Mars Hydro TS 1000ViparSpectra XS 1500Viparspectra P-1500Spider…

How much light do you need for cannabis

How Much Light (PPF) Do You Need for Indoor Cannabis?

Posted in Grow Set-Up Guide Light

To set up an efficient home cannabis grow, it is important to determine the optimal size of your grow light. In this article, we discuss…

How to Evaluate and Compare Grow Lights for Cannabis

Posted in Grow Set-Up Guide Light

A grow light is perhaps the most important piece of equipment for growing cannabis indoors. In this article, we explain what you need to know…

Grow Tents and Harvest Sizes

Posted in Grow Set-Up Guide

When you are setting up your indoor cannabis grow, one of the first questions is, “where will you grow your plants”. To effectively grow cannabis…