Huge Cannabis Greenhouse Tantalus Labs, Hailed ‘Tesla of cannabis’ 

Melia Robinson A marijuana cultivator that’s been called the “Tesla of cannabis” is bringing the industry out of the darkness and into the light — literally. Tantalus Labs, which could start selling product as early as 2018, has wrapped construction on a state-of-the-art cultivation site designed to give marijuana plants…

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Mold & Fungi found in medical marijuana. Avoid the health risk.

In uneasy news for medical marijuana users, UC Davis researchers have identified potentially lethal bacteria and mold on samples from 20 Northern California pot dispensaries, leading them to warn patients with weakened immune systems to avoid smoking, vaping or inhaling aerosolized cannabis. “For the vast majority of cannabis users, this…

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Maximize Cannabis Growth @ 700, 1,500 or 2,000 µmol/m2/s? And, What About CO2?

Words and images by Richard Jones. How ‘high’ must Photosynthetic Photon Flux Density (PPFD, µmol/m2/s) be to induce peak photosynthesis in Cannabis? In 2008, Chandra measured a maximum rate of photosynthesis at 1,500 µmol/m2/s. In 2015, Chandra conducted a similar assessment and measured a maximum rate of photosynthesis at 2,000…

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Ways to Cure Powdery Mildew on Cannabis Organically 

Any experienced cannabis grower has likely encountered one of the most common fungal diseases for plants – Powdery Mildew (PM). Powdery mildew is a white, powder-like fungal disease that reproduces on the leaves of many different kinds of plant species. Thriving in high-humidity environments and moderate temperatures,PM can severely stunt your plant’s growth…

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